<?xml version="1.0" encoding="us-ascii"?>
<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2020-02-25T17:31:35.2243443+00:00 -->
<!-- Version            : 5.0.1.321 -->
<!-- Package ID         : 507260e986ea4076a1056d947f845689 -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:sic="http://xbrl.sec.gov/sic/2011-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2018-01-31" xmlns:naics="http://xbrl.sec.gov/naics/2017-01-31" xmlns:invest="http://xbrl.sec.gov/invest/2013-01-31" xmlns:srt-types="http://fasb.org/srt-types/2019-01-31" xmlns:cbz="http://www.cbiz.com/20191231" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:srt="http://fasb.org/srt/2019-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2019-01-31" xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:country="http://xbrl.sec.gov/country/2017-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:currency="http://xbrl.sec.gov/currency/2019-01-31" xmlns:us-types="http://fasb.org/us-types/2019-01-31" xmlns:exch="http://xbrl.sec.gov/exch/2019-01-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.cbiz.com/20191231" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance" />
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase" />
  <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd" namespace="http://xbrl.sec.gov/country/2017-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd" namespace="http://xbrl.sec.gov/currency/2019-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd" namespace="http://xbrl.sec.gov/dei/2019-01-31" />
  <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/non-numeric" />
  <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/numeric" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd" namespace="http://xbrl.sec.gov/exch/2019-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" namespace="http://xbrl.sec.gov/invest/2013-01-31" />
  <xsd:import schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" />
  <xsd:import schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/role/negated" />
  <xsd:import schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/role/net" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd" namespace="http://xbrl.sec.gov/naics/2017-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" namespace="http://xbrl.sec.gov/sic/2011-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd" namespace="http://fasb.org/srt/2019-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd" namespace="http://fasb.org/srt-roles/2019-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd" namespace="http://fasb.org/srt-types/2019-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd" namespace="http://xbrl.sec.gov/stpr/2018-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd" namespace="http://fasb.org/us-gaap/2019-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd" namespace="http://fasb.org/us-roles/2019-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd" namespace="http://fasb.org/us-types/2019-01-31" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:roleType id="TemplateLink" roleURI="http://www.cbiz.com/20191231/role/TemplateLink" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>00000 - Document - Template Link</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cbz-20191231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:title="Calculation Links, all" xlink:type="simple" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cbz-20191231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:title="Definition Links, all" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cbz-20191231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Label Links, all" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="cbz-20191231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation Links, all" xlink:type="simple" />
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DocumentDocumentAndEntityInformation" id="Role_DocumentDocumentAndEntityInformation">
        <link:definition>100000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/StatementConsolidatedBalanceSheets" id="Role_StatementConsolidatedBalanceSheets">
        <link:definition>100010 - Statement - Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical" id="Role_StatementConsolidatedBalanceSheetsParenthetical">
        <link:definition>100020 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncome" id="Role_StatementConsolidatedStatementsOfComprehensiveIncome">
        <link:definition>100030 - Statement - Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncomeParenthetical" id="Role_StatementConsolidatedStatementsOfComprehensiveIncomeParenthetical">
        <link:definition>100040 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/StatementConsolidatedStatementsOfStockholdersEquity" id="Role_StatementConsolidatedStatementsOfStockholdersEquity">
        <link:definition>100050 - Statement - Consolidated Statements of Stockholders&apos; Equity</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows" id="Role_StatementConsolidatedStatementsOfCashFlows">
        <link:definition>100060 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureBasisOfPresentationAndSignificantAccountingPolicies" id="Role_DisclosureBasisOfPresentationAndSignificantAccountingPolicies">
        <link:definition>100070 - Disclosure - Basis of Presentation and Significant Accounting Policies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureRevenue" id="Role_DisclosureRevenue">
        <link:definition>100080 - Disclosure - Revenue</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAccountsReceivableNet" id="Role_DisclosureAccountsReceivableNet">
        <link:definition>100090 - Disclosure - Accounts Receivable, Net</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosurePropertyAndEquipmentNet" id="Role_DisclosurePropertyAndEquipmentNet">
        <link:definition>100100 - Disclosure - Property and Equipment, Net</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsNet" id="Role_DisclosureGoodwillAndOtherIntangibleAssetsNet">
        <link:definition>100110 - Disclosure - Goodwill and Other Intangible Assets, Net</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFinancialInstruments" id="Role_DisclosureFinancialInstruments">
        <link:definition>100120 - Disclosure - Financial Instruments</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFairValueMeasurements" id="Role_DisclosureFairValueMeasurements">
        <link:definition>100130 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureIncomeTaxes" id="Role_DisclosureIncomeTaxes">
        <link:definition>100140 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureDebtAndFinancingArrangements" id="Role_DisclosureDebtAndFinancingArrangements">
        <link:definition>100150 - Disclosure - Debt and Financing Arrangements</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLoss" id="Role_DisclosureAccumulatedOtherComprehensiveLoss">
        <link:definition>100160 - Disclosure - Accumulated Other Comprehensive Loss</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureCommitmentsAndContingencies" id="Role_DisclosureCommitmentsAndContingencies">
        <link:definition>100170 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEmployeeBenefits" id="Role_DisclosureEmployeeBenefits">
        <link:definition>100180 - Disclosure - Employee Benefits</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureCommonStock" id="Role_DisclosureCommonStock">
        <link:definition>100190 - Disclosure - Common Stock</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEmployeeSharePlans" id="Role_DisclosureEmployeeSharePlans">
        <link:definition>100200 - Disclosure - Employee Share Plans</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEarningsPerShare" id="Role_DisclosureEarningsPerShare">
        <link:definition>100210 - Disclosure - Earnings Per Share</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureLeases" id="Role_DisclosureLeases">
        <link:definition>100220 - Disclosure - Leases</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureRelatedParties" id="Role_DisclosureRelatedParties">
        <link:definition>100230 - Disclosure - Related Parties</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAcquisitions" id="Role_DisclosureAcquisitions">
        <link:definition>100240 - Disclosure - Acquisitions</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureDiscontinuedOperationsAndDivestitures" id="Role_DisclosureDiscontinuedOperationsAndDivestitures">
        <link:definition>100250 - Disclosure - Discontinued Operations and Divestitures</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureQuarterlyFinancialDataUnaudited" id="Role_DisclosureQuarterlyFinancialDataUnaudited">
        <link:definition>100260 - Disclosure - Quarterly Financial Data (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureSegmentDisclosures" id="Role_DisclosureSegmentDisclosures">
        <link:definition>100270 - Disclosure - Segment Disclosures</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureSubsequentEvents" id="Role_DisclosureSubsequentEvents">
        <link:definition>100280 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureBasisOfPresentationAndSignificantAccountingPoliciesPolicies" id="Role_DisclosureBasisOfPresentationAndSignificantAccountingPoliciesPolicies">
        <link:definition>100290 - Disclosure - Basis of Presentation and Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureBasisOfPresentationAndSignificantAccountingPoliciesTables" id="Role_DisclosureBasisOfPresentationAndSignificantAccountingPoliciesTables">
        <link:definition>100300 - Disclosure - Basis of Presentation and Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureRevenueTables" id="Role_DisclosureRevenueTables">
        <link:definition>100310 - Disclosure - Revenue (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAccountsReceivableNetTables" id="Role_DisclosureAccountsReceivableNetTables">
        <link:definition>100320 - Disclosure - Accounts Receivable, Net (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosurePropertyAndEquipmentNetTables" id="Role_DisclosurePropertyAndEquipmentNetTables">
        <link:definition>100330 - Disclosure - Property and Equipment, Net (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsNetTables" id="Role_DisclosureGoodwillAndOtherIntangibleAssetsNetTables">
        <link:definition>100340 - Disclosure - Goodwill and Other Intangible Assets, Net (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFinancialInstrumentsTables" id="Role_DisclosureFinancialInstrumentsTables">
        <link:definition>100350 - Disclosure - Financial Instruments (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFairValueMeasurementsTables" id="Role_DisclosureFairValueMeasurementsTables">
        <link:definition>100360 - Disclosure - Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureIncomeTaxesTables" id="Role_DisclosureIncomeTaxesTables">
        <link:definition>100370 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureDebtAndFinancingArrangementsTables" id="Role_DisclosureDebtAndFinancingArrangementsTables">
        <link:definition>100380 - Disclosure - Debt and Financing Arrangements (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLossTables" id="Role_DisclosureAccumulatedOtherComprehensiveLossTables">
        <link:definition>100390 - Disclosure - Accumulated Other Comprehensive Loss (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEmployeeSharePlansTables" id="Role_DisclosureEmployeeSharePlansTables">
        <link:definition>100400 - Disclosure - Employee Share Plans (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEarningsPerShareTables" id="Role_DisclosureEarningsPerShareTables">
        <link:definition>100410 - Disclosure - Earnings Per Share (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureLeasesTables" id="Role_DisclosureLeasesTables">
        <link:definition>100420 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAcquisitionsTables" id="Role_DisclosureAcquisitionsTables">
        <link:definition>100430 - Disclosure - Acquisitions (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureQuarterlyFinancialDataUnauditedTables" id="Role_DisclosureQuarterlyFinancialDataUnauditedTables">
        <link:definition>100440 - Disclosure - Quarterly Financial Data (Unaudited) (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureSegmentDisclosuresTables" id="Role_DisclosureSegmentDisclosuresTables">
        <link:definition>100450 - Disclosure - Segment Disclosures (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureBasisOfPresentationAndSignificantAccountingPoliciesAdditionalInformationDetail" id="Role_DisclosureBasisOfPresentationAndSignificantAccountingPoliciesAdditionalInformationDetail">
        <link:definition>100460 - Disclosure - Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureBasisOfPresentationAndSignificantAccountingPoliciesSummaryOfEstimatedUsefulLivesPropertyAndEquipmentDetail" id="Role_DisclosureBasisOfPresentationAndSignificantAccountingPoliciesSummaryOfEstimatedUsefulLivesPropertyAndEquipmentDetail">
        <link:definition>100470 - Disclosure - Basis of Presentation and Significant Accounting Policies - Summary of Estimated Useful Lives Property and Equipment (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureBasisOfPresentationAndSignificantAccountingPoliciesSummaryOfImpactOfAdoptingNewLeaseStandardsOnConsolidatedBalanceSheetDetail" id="Role_DisclosureBasisOfPresentationAndSignificantAccountingPoliciesSummaryOfImpactOfAdoptingNewLeaseStandardsOnConsolidatedBalanceSheetDetail">
        <link:definition>100480 - Disclosure - Basis of Presentation and Significant Accounting Policies - Summary of Impact of Adopting New Lease Standards on Consolidated Balance Sheet (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureRevenueSummaryOfDisaggregationOfRevenueBySourceDetails" id="Role_DisclosureRevenueSummaryOfDisaggregationOfRevenueBySourceDetails">
        <link:definition>100490 - Disclosure - Revenue - Summary of Disaggregation of Revenue by Source (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureRevenueAdditionalInformationDetail" id="Role_DisclosureRevenueAdditionalInformationDetail">
        <link:definition>100500 - Disclosure - Revenue - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAccountsReceivableNetScheduleOfAccountsReceivablesNetDetail" id="Role_DisclosureAccountsReceivableNetScheduleOfAccountsReceivablesNetDetail">
        <link:definition>100510 - Disclosure - Accounts Receivable, Net - Schedule of Accounts Receivables Net (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAccountsReceivableNetScheduleOfChangesInAllowanceForDoubtfulAccountsOnAccountsReceivableDetail" id="Role_DisclosureAccountsReceivableNetScheduleOfChangesInAllowanceForDoubtfulAccountsOnAccountsReceivableDetail">
        <link:definition>100520 - Disclosure - Accounts Receivable, Net - Schedule of Changes in the Allowance for Doubtful Accounts on Accounts Receivable (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosurePropertyAndEquipmentNetSummaryOfPropertyAndEquipmentNetDetail" id="Role_DisclosurePropertyAndEquipmentNetSummaryOfPropertyAndEquipmentNetDetail">
        <link:definition>100530 - Disclosure - Property and Equipment, Net - Summary of Property and Equipment, Net (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosurePropertyAndEquipmentNetAdditionalInformationDetail" id="Role_DisclosurePropertyAndEquipmentNetAdditionalInformationDetail">
        <link:definition>100540 - Disclosure - Property and Equipment, Net - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsNetChangesInCarryingAmountOfGoodwillByOperatingSegmentDetail" id="Role_DisclosureGoodwillAndOtherIntangibleAssetsNetChangesInCarryingAmountOfGoodwillByOperatingSegmentDetail">
        <link:definition>100550 - Disclosure - Goodwill and Other Intangible Assets, Net - Changes in Carrying Amount of Goodwill by Operating Segment (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsNetAdditionalInformationDetail" id="Role_DisclosureGoodwillAndOtherIntangibleAssetsNetAdditionalInformationDetail">
        <link:definition>100560 - Disclosure - Goodwill and Other Intangible Assets, Net - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureGoodwillAndOtherIntangibleAssetsNetComponentsOfGoodwillAndOtherIntangibleAssetsNetDetail" id="Role_DisclosureGoodwillAndOtherIntangibleAssetsNetComponentsOfGoodwillAndOtherIntangibleAssetsNetDetail">
        <link:definition>100570 - Disclosure - Goodwill and Other Intangible Assets, Net - Components of Goodwill and Other Intangible Assets, Net (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFinancialInstrumentsBondsAdditionalInformationDetail" id="Role_DisclosureFinancialInstrumentsBondsAdditionalInformationDetail">
        <link:definition>100580 - Disclosure - Financial Instruments (Bonds) - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfBondActivityDetail" id="Role_DisclosureFinancialInstrumentsSummaryOfBondActivityDetail">
        <link:definition>100590 - Disclosure - Financial Instruments - Summary of Bond Activity (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFinancialInstrumentsInterestRateSwapsAdditionalInformationDetail" id="Role_DisclosureFinancialInstrumentsInterestRateSwapsAdditionalInformationDetail">
        <link:definition>100600 - Disclosure - Financial Instruments (Interest Rate Swaps) - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfOutstandingInterestRateSwapsDetail" id="Role_DisclosureFinancialInstrumentsSummaryOfOutstandingInterestRateSwapsDetail">
        <link:definition>100610 - Disclosure - Financial Instruments - Summary of Outstanding Interest Rate Swaps (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFinancialInstrumentsSummaryOfEffectsOfInterestRateSwapsDetail" id="Role_DisclosureFinancialInstrumentsSummaryOfEffectsOfInterestRateSwapsDetail">
        <link:definition>100620 - Disclosure - Financial Instruments - Summary of Effects of Interest Rate Swaps (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail" id="Role_DisclosureFairValueMeasurementsAdditionalInformationDetail">
        <link:definition>100630 - Disclosure - Fair Value Measurements - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail" id="Role_DisclosureFairValueMeasurementsSummaryOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail">
        <link:definition>100640 - Disclosure - Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureFairValueMeasurementsChangeInLevel3FairValuesOfContingentPurchasePriceLiabilitiesDetail" id="Role_DisclosureFairValueMeasurementsChangeInLevel3FairValuesOfContingentPurchasePriceLiabilitiesDetail">
        <link:definition>100650 - Disclosure - Fair Value Measurements - Change in Level 3 Fair Values of Contingent Purchase Price Liabilities (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureIncomeTaxesIncomeFromContinuingOperationsBeforeIncomeTaxesDetail" id="Role_DisclosureIncomeTaxesIncomeFromContinuingOperationsBeforeIncomeTaxesDetail">
        <link:definition>100660 - Disclosure - Income Taxes - Income from Continuing Operations Before Income Taxes (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureIncomeTaxesIncomeTaxExpenseBenefitIncludedInConsolidatedStatementsOfComprehensiveIncomeDetail" id="Role_DisclosureIncomeTaxesIncomeTaxExpenseBenefitIncludedInConsolidatedStatementsOfComprehensiveIncomeDetail">
        <link:definition>100670 - Disclosure - Income Taxes - Income Tax Expense (Benefit) Included in Consolidated Statements of Comprehensive Income (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureIncomeTaxesProvisionForIncomeTaxesAttributableToIncomeFromContinuingOperationsDetail" id="Role_DisclosureIncomeTaxesProvisionForIncomeTaxesAttributableToIncomeFromContinuingOperationsDetail">
        <link:definition>100680 - Disclosure - Income Taxes - Provision for Income Taxes Attributable to Income from Continuing Operations (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureIncomeTaxesTaxEffectsOfTemporaryDifferencesThatRisesToSignificantPortionsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail" id="Role_DisclosureIncomeTaxesTaxEffectsOfTemporaryDifferencesThatRisesToSignificantPortionsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail">
        <link:definition>100690 - Disclosure - Income Taxes - Tax Effects of Temporary Differences That Rises to Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetail" id="Role_DisclosureIncomeTaxesAdditionalInformationDetail">
        <link:definition>100700 - Disclosure - Income Taxes - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureIncomeTaxesSummaryOfReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsDetail" id="Role_DisclosureIncomeTaxesSummaryOfReconciliationOfBeginningAndEndingAmountOfUnrecognizedTaxBenefitsDetail">
        <link:definition>100710 - Disclosure - Income Taxes - Summary of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureDebtAndFinancingArrangementsAdditionalInformationDetail" id="Role_DisclosureDebtAndFinancingArrangementsAdditionalInformationDetail">
        <link:definition>100720 - Disclosure - Debt and Financing Arrangements - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureDebtAndFinancingArrangementsSummaryOfUnsecuredCreditFacilityDetail" id="Role_DisclosureDebtAndFinancingArrangementsSummaryOfUnsecuredCreditFacilityDetail">
        <link:definition>100730 - Disclosure - Debt and Financing Arrangements - Summary of Unsecured Credit Facility (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureDebtAndFinancingArrangementsSummaryOfRecognizedInterestExpenseDetail" id="Role_DisclosureDebtAndFinancingArrangementsSummaryOfRecognizedInterestExpenseDetail">
        <link:definition>100740 - Disclosure - Debt and Financing Arrangements - Summary of Recognized Interest Expense (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLossComponentsOfAccumulatedOtherComprehensiveLossDetail" id="Role_DisclosureAccumulatedOtherComprehensiveLossComponentsOfAccumulatedOtherComprehensiveLossDetail">
        <link:definition>100750 - Disclosure - Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAccumulatedOtherComprehensiveLossComponentsOfAccumulatedOtherComprehensiveLossParentheticalDetail" id="Role_DisclosureAccumulatedOtherComprehensiveLossComponentsOfAccumulatedOtherComprehensiveLossParentheticalDetail">
        <link:definition>100760 - Disclosure - Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Parenthetical) (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureCommitmentsAndContingenciesLettersOfCreditAndGuaranteesAdditionalInformationDetail" id="Role_DisclosureCommitmentsAndContingenciesLettersOfCreditAndGuaranteesAdditionalInformationDetail">
        <link:definition>100770 - Disclosure - Commitments and Contingencies (Letters of Credit and Guarantees) - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureCommitmentsAndContingenciesLegalProceedingsAdditionalInformationDetail" id="Role_DisclosureCommitmentsAndContingenciesLegalProceedingsAdditionalInformationDetail">
        <link:definition>100780 - Disclosure - Commitments and Contingencies (Legal Proceedings) - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEmployeeBenefitsAdditionalInformationDetail" id="Role_DisclosureEmployeeBenefitsAdditionalInformationDetail">
        <link:definition>100790 - Disclosure - Employee Benefits - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureCommonStockAdditionalInformationDetail" id="Role_DisclosureCommonStockAdditionalInformationDetail">
        <link:definition>100800 - Disclosure - Common Stock - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEmployeeSharePlansAdditionalInformationDetail" id="Role_DisclosureEmployeeSharePlansAdditionalInformationDetail">
        <link:definition>100810 - Disclosure - Employee Share Plans - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEmployeeSharePlansScheduleOfShareBasedCompensationAwardsBeforeIncomeTaxExpenseDetail" id="Role_DisclosureEmployeeSharePlansScheduleOfShareBasedCompensationAwardsBeforeIncomeTaxExpenseDetail">
        <link:definition>100820 - Disclosure - Employee Share Plans - Schedule of Share-Based Compensation Awards (Before Income Tax Expense) (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEmployeeSharePlansStockAwardActivityDetail" id="Role_DisclosureEmployeeSharePlansStockAwardActivityDetail">
        <link:definition>100830 - Disclosure - Employee Share Plans - Stock Award Activity (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEmployeeSharePlansScheduleOfFairValueOptionAwardWeightedAverageAssumptionsUsedDetail" id="Role_DisclosureEmployeeSharePlansScheduleOfFairValueOptionAwardWeightedAverageAssumptionsUsedDetail">
        <link:definition>100840 - Disclosure - Employee Share Plans - Schedule of Fair Value Option Award Weighted Average Assumptions Used (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEmployeeSharePlansScheduleOfRestrictedStockAwardActivityDetail" id="Role_DisclosureEmployeeSharePlansScheduleOfRestrictedStockAwardActivityDetail">
        <link:definition>100850 - Disclosure - Employee Share Plans - Schedule of Restricted Stock Award Activity (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEmployeeSharePlansPerformanceShareUnitsAwardActivityDetail" id="Role_DisclosureEmployeeSharePlansPerformanceShareUnitsAwardActivityDetail">
        <link:definition>100860 - Disclosure - Employee Share Plans - Performance Share Units Award Activity (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEarningsPerShareComputationOfBasicAndDilutedEarningsPerShareForContinuingOperationsDetail" id="Role_DisclosureEarningsPerShareComputationOfBasicAndDilutedEarningsPerShareForContinuingOperationsDetail">
        <link:definition>100870 - Disclosure - Earnings Per Share - Computation of Basic and Diluted Earnings Per Share for Continuing Operations (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureEarningsPerShareComputationOfBasicAndDilutedEarningsPerShareForContinuingOperationsParentheticalDetail" id="Role_DisclosureEarningsPerShareComputationOfBasicAndDilutedEarningsPerShareForContinuingOperationsParentheticalDetail">
        <link:definition>100880 - Disclosure - Earnings Per Share - Computation of Basic and Diluted Earnings Per Share for Continuing Operations (Parenthetical) (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureLeasesScheduleOfBalanceSheetInformationRelatedToLeasesDetail" id="Role_DisclosureLeasesScheduleOfBalanceSheetInformationRelatedToLeasesDetail">
        <link:definition>100890 - Disclosure - Leases - Schedule of Balance Sheet Information Related to Leases (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureLeasesScheduleOfLeaseCostAndOtherLeaseInformationDetail" id="Role_DisclosureLeasesScheduleOfLeaseCostAndOtherLeaseInformationDetail">
        <link:definition>100900 - Disclosure - Leases - Schedule of Lease Cost and Other Lease Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureLeasesAdditionalInformationDetail" id="Role_DisclosureLeasesAdditionalInformationDetail">
        <link:definition>100910 - Disclosure - Leases - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureLeasesScheduleOfMaturityOfOperatingLeaseLiabilitiesDetail" id="Role_DisclosureLeasesScheduleOfMaturityOfOperatingLeaseLiabilitiesDetail">
        <link:definition>100920 - Disclosure - Leases - Schedule of Maturity of Operating Lease Liabilities (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureLeasesScheduleOfMaturityOfOperatingLeaseLiabilitiesDetail2" id="Role_DisclosureLeasesScheduleOfMaturityOfOperatingLeaseLiabilitiesDetail2">
        <link:definition>100930 - Disclosure - Leases - Schedule of Maturity of Operating Lease Liabilities (Detail)2</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureLeasesScheduleOfMaturityOfOperatingLeaseCommitmentsDetail" id="Role_DisclosureLeasesScheduleOfMaturityOfOperatingLeaseCommitmentsDetail">
        <link:definition>100940 - Disclosure - Leases - Schedule of Maturity of Operating Lease Commitments (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureRelatedPartiesAdditionalInformationDetail" id="Role_DisclosureRelatedPartiesAdditionalInformationDetail">
        <link:definition>100950 - Disclosure - Related Parties - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAcquisitionsAdditionalInformationDetail" id="Role_DisclosureAcquisitionsAdditionalInformationDetail">
        <link:definition>100960 - Disclosure - Acquisitions - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureAcquisitionsScheduleOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetail" id="Role_DisclosureAcquisitionsScheduleOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetail">
        <link:definition>100970 - Disclosure - Acquisitions - Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureDiscontinuedOperationsAndDivestituresAdditionalInformationDetail" id="Role_DisclosureDiscontinuedOperationsAndDivestituresAdditionalInformationDetail">
        <link:definition>100980 - Disclosure - Discontinued Operations and Divestitures - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureQuarterlyFinancialDataUnauditedSummaryOfUnauditedQuarterlyResultsOfOperationsDetail" id="Role_DisclosureQuarterlyFinancialDataUnauditedSummaryOfUnauditedQuarterlyResultsOfOperationsDetail">
        <link:definition>100990 - Disclosure - Quarterly Financial Data (Unaudited) - Summary of Unaudited Quarterly Results of Operations (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureSegmentDisclosuresAdditionalInformationDetail" id="Role_DisclosureSegmentDisclosuresAdditionalInformationDetail">
        <link:definition>101000 - Disclosure - Segment Disclosures - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureSegmentDisclosuresScheduleOfRevenueFromExternalCustomersDetail" id="Role_DisclosureSegmentDisclosuresScheduleOfRevenueFromExternalCustomersDetail">
        <link:definition>101010 - Disclosure - Segment Disclosures - Schedule of Revenue from External Customers (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureSegmentDisclosuresSummaryOfSegmentInformationDetail" id="Role_DisclosureSegmentDisclosuresSummaryOfSegmentInformationDetail">
        <link:definition>101020 - Disclosure - Segment Disclosures - Summary of Segment Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.cbiz.com/20191231/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail" id="Role_DisclosureSubsequentEventsAdditionalInformationDetail">
        <link:definition>101030 - Disclosure - Subsequent Events - Additional Information (Detail)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="cbz_IncomeTaxReconciliationReservesForUncertainTaxPositions" name="IncomeTaxReconciliationReservesForUncertainTaxPositions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_TaxCutsAndJobsActOf2017ChangeInTaxRateReductionInNetDeferredTaxLiabilities" name="TaxCutsAndJobsActOf2017ChangeInTaxRateReductionInNetDeferredTaxLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_CurrentAssetsBeforeFundsHeldForClients" name="CurrentAssetsBeforeFundsHeldForClients" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_CurrentLiabilitiesBeforeClientFundObligations" name="CurrentLiabilitiesBeforeClientFundObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_ClientFundObligations" name="ClientFundObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_StockholdersEquityAdjustedValue" name="StockholdersEquityAdjustedValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_StockholdersEquityAdjustedShares" name="StockholdersEquityAdjustedShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="cbz_ProvisionForDoubtfulAccountsNetOfRecoveries" name="ProvisionForDoubtfulAccountsNetOfRecoveries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_NetIncreaseDecreaseInClientFundsObligations" name="NetIncreaseDecreaseInClientFundsObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_PaymentOfContingentConsiderationOfAcquisitions" name="PaymentOfContingentConsiderationOfAcquisitions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_CashEquivalentsIncludedInFundsHeldForClients" name="CashEquivalentsIncludedInFundsHeldForClients" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_ReconciliationOfCashCashEquivalentsAndRestrictedCashToConsolidatedBalanceSheetAbstract" name="ReconciliationOfCashCashEquivalentsAndRestrictedCashToConsolidatedBalanceSheetAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_OrganizationPolicyTextBlock" name="OrganizationPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_OperatingExpensesPolicyTextBlock" name="OperatingExpensesPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_AccountsReceivableAndAllowanceForDoubtfulAccountsPolicyTextBlock" name="AccountsReceivableAndAllowanceForDoubtfulAccountsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_FundsHeldForClientsAndClientFundObligationsPolicyTextBlock" name="FundsHeldForClientsAndClientFundObligationsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_PropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" name="PropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_ScheduleOfChangesInAllowanceForDoubtfulAccountsTableTextBlock" name="ScheduleOfChangesInAllowanceForDoubtfulAccountsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_SummaryOfBondActivityTableTextBlock" name="SummaryOfBondActivityTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_SummaryOfEffectsOfInterestRateSwapsTableTextBlock" name="SummaryOfEffectsOfInterestRateSwapsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_ScheduleOfIncomeTaxReconciliationTableTextBlock" name="ScheduleOfIncomeTaxReconciliationTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_InterestExpenseTableTextBlock" name="InterestExpenseTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_OperatingLeaseLiabilityBalanceSheetInformationTableTextBlock" name="OperatingLeaseLiabilityBalanceSheetInformationTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_SeriesOfBusinessAcquisitionInTwoThousandEighteenAndTwoThousandNineteenMember" name="SeriesOfBusinessAcquisitionInTwoThousandEighteenAndTwoThousandNineteenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_NumberOfPracticeGroups" name="NumberOfPracticeGroups" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_MaximumMaturityPeriodOfInvestments" name="MaximumMaturityPeriodOfInvestments" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_PercentageOfOfficeFacilitiesInOperatingLease" name="PercentageOfOfficeFacilitiesInOperatingLease" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_AccountingTaxAdvisoryAndConsultingMember" name="AccountingTaxAdvisoryAndConsultingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_CoreBenefitsAndInsuranceServicesMember" name="CoreBenefitsAndInsuranceServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_NonCoreBenefitsAndInsuranceServicesMember" name="NonCoreBenefitsAndInsuranceServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_ManagedNetworkingAndHardwareServicesMember" name="ManagedNetworkingAndHardwareServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_NationalPracticesConsultingMember" name="NationalPracticesConsultingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_FinancialServicesMember" name="FinancialServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_BenefitsAndInsuranceServicesMember" name="BenefitsAndInsuranceServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_NationalPracticesMember" name="NationalPracticesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_CapitalizedContractPeriod" name="CapitalizedContractPeriod" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_PerformanceObligationsPeriod" name="PerformanceObligationsPeriod" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_AllowanceForDoubtfulAccountsReceivableWriteOffsAndNetOfRecoveries" name="AllowanceForDoubtfulAccountsReceivableWriteOffsAndNetOfRecoveries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_PropertyPlantAndEquipmentCapitalizedInterestCostsAbstract" name="PropertyPlantAndEquipmentCapitalizedInterestCostsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_BuildingsAndLeaseholdImprovementsMember" name="BuildingsAndLeaseholdImprovementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_CustomerListsAndOtherIntangibleAssetsMember" name="CustomerListsAndOtherIntangibleAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_IntangibleAssetsIncludingGoodwillGross" name="IntangibleAssetsIncludingGoodwillGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_CorporateAndMunicipalBondsNetParValue" name="CorporateAndMunicipalBondsNetParValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_MaturityDateOfBondStartDate" name="MaturityDateOfBondStartDate" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_MaturityDateOfBondEndDate" name="MaturityDateOfBondEndDate" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_CertifiedDepositsAndOtherDepositoryAssetsMember" name="CertifiedDepositsAndOtherDepositoryAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_FinancialInstrumentsOwnedCorporateDebtPurchases" name="FinancialInstrumentsOwnedCorporateDebtPurchases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_FinancialInstrumentsOwnedCorporateDebtSales" name="FinancialInstrumentsOwnedCorporateDebtSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_FinancialInstrumentsOwnedCorporateDebtMaturitiesAndCalls" name="FinancialInstrumentsOwnedCorporateDebtMaturitiesAndCalls" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_IncreaseDecreaseInBondPremium" name="IncreaseDecreaseInBondPremium" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_FairMarketValueAdjustmentOfBonds" name="FairMarketValueAdjustmentOfBonds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_October2020Member" name="October2020Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_February2021Member" name="February2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_May2022Member" name="May2022Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_June2023Member" name="June2023Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_DerivativeFloatingInterestRateDescription" name="DerivativeFloatingInterestRateDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_TypeOfInterestRatePaidOnDerivativeSwap" name="TypeOfInterestRatePaidOnDerivativeSwap" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_FairValueMeasurementsInterTransfersBetweenLevels" name="FairValueMeasurementsInterTransfersBetweenLevels" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_DefinedBenefitPlanFairValueOfPlanLiabilities" name="DefinedBenefitPlanFairValueOfPlanLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_ContingentPurchasePriceLiabilitiesAtFairValue" name="ContingentPurchasePriceLiabilitiesAtFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityChangeInNetPresentValueOfContingencies" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityChangeInNetPresentValueOfContingencies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_ContingentPurchasePricePayableMember" name="ContingentPurchasePricePayableMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_CurrentIncomeTaxExpenseBenefitDiscontinuedOperations" name="CurrentIncomeTaxExpenseBenefitDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_DeferredIncomeTaxExpenseBenefitDiscontinuedOperations" name="DeferredIncomeTaxExpenseBenefitDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_IncomeTaxExpenseBenefitContinuedAndDiscontinuedOperations" name="IncomeTaxExpenseBenefitContinuedAndDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_CurrentAndDeferredIncomeTaxExpenseBenefitDiscontinuedOperationsAbstract" name="CurrentAndDeferredIncomeTaxExpenseBenefitDiscontinuedOperationsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_DeferredTaxAssetsLeaseCosts" name="DeferredTaxAssetsLeaseCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_DeferredTaxAssetsTaxCreditCarryForwardsState" name="DeferredTaxAssetsTaxCreditCarryForwardsState" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_DeferredTaxLiabilitiesIntangibleAssets" name="DeferredTaxLiabilitiesIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_DeferredTaxAssetsTaxCreditCarryForwardsStateAndLocal" name="DeferredTaxAssetsTaxCreditCarryForwardsStateAndLocal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_OperatingLossCarryforwardsExpirationPeriod" name="OperatingLossCarryforwardsExpirationPeriod" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_TaxCreditCarryforwardExpirationPeriod" name="TaxCreditCarryforwardExpirationPeriod" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_LineOfCreditFacilityMaturityYear" name="LineOfCreditFacilityMaturityYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_TwoThousandAndEighteenCreditFacilityMember" name="TwoThousandAndEighteenCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_LineOfCreditFacilityRenewalTerm" name="LineOfCreditFacilityRenewalTerm" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_OtherInterestExpenseMember" name="OtherInterestExpenseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_AccumulatedOtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" name="AccumulatedOtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_AccumulatedOtherComprehensiveIncomeUnrealizedHoldingGainLossOnDerivativesArisingDuringPeriodTax" name="AccumulatedOtherComprehensiveIncomeUnrealizedHoldingGainLossOnDerivativesArisingDuringPeriodTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_LicenseBondsOutstandingAmount" name="LicenseBondsOutstandingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_CommitmentsAndContingenciesLineItems" name="CommitmentsAndContingenciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_CommitmentsAndContingenciesTable" name="CommitmentsAndContingenciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_BaldinoGroupMember" name="BaldinoGroupMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_AltoonaRegionalHealthSystemMember" name="AltoonaRegionalHealthSystemMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_DefinedContributionPlanMaximumEmployeeContributionPercentage" name="DefinedContributionPlanMaximumEmployeeContributionPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_DefinedContributionPlanPercentageOfBaseCompensation" name="DefinedContributionPlanPercentageOfBaseCompensation" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_NonQualifiedDeferredCompensationPlanGainLossOnInvestments" name="NonQualifiedDeferredCompensationPlanGainLossOnInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_SeniorLeverageRatio" name="SeniorLeverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_ScheduleOfCommonStockLineItems" name="ScheduleOfCommonStockLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_ScheduleOfCommonStockTable" name="ScheduleOfCommonStockTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_ShareRepurchaseProgramMember" name="ShareRepurchaseProgramMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_EmployeeStockPurchasePlanExpirationDate" name="EmployeeStockPurchasePlanExpirationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_EmployeeStockPurchasePlanSharePurchaseAuthorizedAmount" name="EmployeeStockPurchasePlanSharePurchaseAuthorizedAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_EmployeeStockPurchasePlanPurchasePriceOfSharesAsPercentageOfFairMarketValueOfCommonStock" name="EmployeeStockPurchasePlanPurchasePriceOfSharesAsPercentageOfFairMarketValueOfCommonStock" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_EmployeeStockPurchasePlanHoldingPeriodOfStock" name="EmployeeStockPurchasePlanHoldingPeriodOfStock" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_EmployeeStockPurchasePlanMember" name="EmployeeStockPurchasePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_TwoThousandNineteenStockOmnibusIncentivePlanMember" name="TwoThousandNineteenStockOmnibusIncentivePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_TwoThousandFourteenStockIncentivePlanMember" name="TwoThousandFourteenStockIncentivePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationYear" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_PerformanceShareUnits" name="PerformanceShareUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodFromGrantDate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodFromGrantDate" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisable" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisable" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedAndExercisedWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedAndExercisedWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableWeightedAverageRemainingContractualTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementsByShareBasedPaymentsAwardOptionsWeightedAverageFairValueAtTimeOfGrantDate" name="ShareBasedCompensationArrangementsByShareBasedPaymentsAwardOptionsWeightedAverageFairValueAtTimeOfGrantDate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_ScheduleOfSummaryOfRestrictedStockUnitActivityLineItems" name="ScheduleOfSummaryOfRestrictedStockUnitActivityLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_ScheduleOfSummaryOfRestrictedStockUnitActivityTable" name="ScheduleOfSummaryOfRestrictedStockUnitActivityTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMarketValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMarketValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_ShareBasedCompensationAwardEquityInstrumentsOtherThanOptionsOutstandingReleaseFromRestrictionPeriodRange" name="ShareBasedCompensationAwardEquityInstrumentsOtherThanOptionsOutstandingReleaseFromRestrictionPeriodRange" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPercentageOfTargetEarningsPerShare" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPercentageOfTargetEarningsPerShare" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementsByShareBasedPaymentAwardPerformanceStockOfTotalGrowthInRevenue" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardPerformanceStockOfTotalGrowthInRevenue" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementsByShareBasedPaymentAwardPerformanceStockPercentageOfInitialGrant" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardPerformanceStockPercentageOfInitialGrant" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsForPerformanceResultsAttained" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsForPerformanceResultsAttained" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsForActualPerformanceResultsWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsForActualPerformanceResultsWeightedAverageGrantDateFairValue" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_IncrementalCommonSharesAttributableToStockOptions" name="IncrementalCommonSharesAttributableToStockOptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_IncrementalCommonSharesAttributableToRestrictedStockAwards" name="IncrementalCommonSharesAttributableToRestrictedStockAwards" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_DilutiveSecuritiesIncludedAndAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" name="DilutiveSecuritiesIncludedAndAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_DilutiveSecuritiesIncludedAndAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" name="DilutiveSecuritiesIncludedAndAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" name="CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_OperatingLeaseRemainingLeaseTerm" name="OperatingLeaseRemainingLeaseTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_OperatingLeasePaymentsToRelatedParties" name="OperatingLeasePaymentsToRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_AkinGumpMember" name="AkinGumpMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_CPAFirmsMember" name="CPAFirmsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_WennerGroupLLCMember" name="WennerGroupLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_PaydaytaIncMember" name="PaydaytaIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_GavionLLCMember" name="GavionLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_QBABenefitsLLCMember" name="QBABenefitsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_EricsonCPAsMember" name="EricsonCPAsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_BrinigTaylorZimmerIncMember" name="BrinigTaylorZimmerIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_ContingentPurchasePriceLiabilityCurrentMember" name="ContingentPurchasePriceLiabilityCurrentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_ContingentPurchasePriceLiabilityNonCurrentMember" name="ContingentPurchasePriceLiabilityNonCurrentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_LaurusTransactionAdvisorsLLCMember" name="LaurusTransactionAdvisorsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_InRAdvisoryServicesLLCMember" name="InRAdvisoryServicesLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_SequoiaFinancialGroupLLCMember" name="SequoiaFinancialGroupLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_SeriesOfBusinessAcquisitionOneMember" name="SeriesOfBusinessAcquisitionOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_AcquisitionOfClientListsMember" name="AcquisitionOfClientListsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_PreviousClientListsPurchasesMember" name="PreviousClientListsPurchasesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFundsHeldForClients" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFundsHeldForClients" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_BusinessCombinationContingentConsiderationLiabilityFairValue" name="BusinessCombinationContingentConsiderationLiabilityFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssetNet" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssetNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="cbz_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilityCurrent" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilityCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilityNoncurrent" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseLiabilityNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_ClientListPurchased" name="ClientListPurchased" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_BusinessCombinationContingentConsiderationLiabilityIncreaseDecreaseAdjustment" name="BusinessCombinationContingentConsiderationLiabilityIncreaseDecreaseAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="cbz_NumberOfCommonSharesIssued" name="NumberOfCommonSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_NumberOfBusinessesSold" name="NumberOfBusinessesSold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="cbz_AllianceInsuranceServicesIncMember" name="AllianceInsuranceServicesIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_PensionDynamicsCompanyLLCMember" name="PensionDynamicsCompanyLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="cbz_SunshineSystemsMember" name="SunshineSystemsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xsd:schema>
