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  <xs:element id="cbre_LoanReceivableMortgageWarehouseLendingCurrent" abstract="false" name="LoanReceivableMortgageWarehouseLendingCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cbre_GuarantorObligationsMaximumExposureUndiscounted" abstract="false" name="GuarantorObligationsMaximumExposureUndiscounted" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cbre_FacilitiesManagementMember" abstract="true" name="FacilitiesManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_WarehouseReceivablesAndWarehouseLinesOfCreditTextBlock" abstract="false" name="WarehouseReceivablesAndWarehouseLinesOfCreditTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="cbre_LeaseLiabilitiesNoncurrentAbstract" abstract="true" name="LeaseLiabilitiesNoncurrentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cbre_MeasurementInputDiscountYieldMember" abstract="true" name="MeasurementInputDiscountYieldMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_OtherCommitmentCapitalInvestmentInConsolidatedProjects" abstract="false" name="OtherCommitmentCapitalInvestmentInConsolidatedProjects" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cbre_RealEstateInvestmentsSegmentMember" abstract="true" name="RealEstateInvestmentsSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_MinimumCoverageRatioOfEarningsBeforeInterestTaxDepreciationAndAmortizationToInterestExpenseExpressedInPercentage" abstract="false" name="MinimumCoverageRatioOfEarningsBeforeInterestTaxDepreciationAndAmortizationToInterestExpenseExpressedInPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="cbre_NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders" abstract="false" name="NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterestHolders" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cbre_CostsAssociatedWithEfficiencyAndCostReductionInitiatives" abstract="false" name="CostsAssociatedWithEfficiencyAndCostReductionInitiatives" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cbre_CorporateAndReconcilingItemsMember" abstract="true" name="CorporateAndReconcilingItemsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_TurnerTownsendHoldingsLimitedMember" abstract="true" name="TurnerTownsendHoldingsLimitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_WarehouseLineOfCreditOneMember" abstract="true" name="WarehouseLineOfCreditOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_InvestmentFundsMaximumEquityInRealEstateInvestmentPercent" abstract="false" name="InvestmentFundsMaximumEquityInRealEstateInvestmentPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="cbre_OperatingAndFinanceLeaseRightOfUseAsset" abstract="false" name="OperatingAndFinanceLeaseRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cbre_ScheduleOfWarehouseReceivablesRollforwardTableTableTextBlock" abstract="false" name="ScheduleOfWarehouseReceivablesRollforwardTableTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="cbre_AdvisorySalesMember" abstract="true" name="AdvisorySalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_OwnershipPercentageMember" abstract="true" name="OwnershipPercentageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_EmmaEGiamartinoMember" abstract="true" name="EmmaEGiamartinoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cbre_SeniorNotesFivePointNineFivePercentMember" abstract="true" name="SeniorNotesFivePointNineFivePercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cbre_EuroTermLoanFacilityMember" abstract="true" name="EuroTermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_MUFGUnionBankNAMember" abstract="true" name="MUFGUnionBankNAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_WarehouseLineOfCreditTwoMember" abstract="true" name="WarehouseLineOfCreditTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_OperatingAdministrativeAndOtherExpenses" abstract="false" name="OperatingAdministrativeAndOtherExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cbre_A2023CreditAgreementWithWellsFargoTrancheAUSDollarDenominatedTermLoanMember" abstract="true" name="A2023CreditAgreementWithWellsFargoTrancheAUSDollarDenominatedTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cbre_InvestmentManagementPropertyManagementBrokerageAndOtherProfessionalServicesMember" abstract="true" name="InvestmentManagementPropertyManagementBrokerageAndOtherProfessionalServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_CarriedInterestIncentiveCompensationExpenseReversal" abstract="false" name="CarriedInterestIncentiveCompensationExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cbre_AltusPowerAlignmentSharesMember" abstract="true" name="AltusPowerAlignmentSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="cbre_RealEstateInvestmentsMaximumEquityInRealEstateInvestmentPercent" abstract="false" name="RealEstateInvestmentsMaximumEquityInRealEstateInvestmentPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cbre_USDollarTermLoanMember" abstract="true" name="USDollarTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cbre_SaleOfMortgageLoansHeldForSale" abstract="false" name="SaleOfMortgageLoansHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cbre_A2023CreditAgreementWithWellsFargoMember" abstract="true" name="A2023CreditAgreementWithWellsFargoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cbre_PercentageOfMaximumOriginalPrincipalAmountLoanLoss" abstract="false" name="PercentageOfMaximumOriginalPrincipalAmountLoanLoss" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="cbre_TelfordFireSafetyRemediationMember" abstract="true" name="TelfordFireSafetyRemediationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>
