Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
The Board of Directors and Stockholders
CBIZ, Inc.:
We consent to the use of our report dated March 15, 2006, except as to the effects of discontinued
operations, segment classification and other reclassifications discussed in note 21 to the
consolidated financial statements, which is as of May 22, 2006, with respect to the consolidated
statements of financial position of CBIZ, Inc. and subsidiaries as of December 31, 2005 and 2004,
and the related statements of operations, stockholders equity and cash flows for each of the years
in the three-year period ended December 31, 2005, which report appears in the Form 8-K of CBIZ,
Inc. dated May 22, 2006, and to the use of our report dated March 15, 2006 on managements
assessment of the effectiveness of internal control over financial reporting as of December 31,
2005, which report appears in the Form 10-K of CBIZ, Inc. dated March 16, 2006. Both reports are
incorporated by reference in the registration statement on Form S-3 of CBIZ, Inc. to be filed July
20, 2006.
We also consent to the reference to our Firm under the heading Experts in the Registration
Statement.
/s/ KPMG LLP
Cleveland, Ohio
July 20, 2006