Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors

CBIZ, Inc.:

We consent to the use of our reports dated March 14, 2014, with respect to the consolidated balance sheets of CBIZ, Inc. and subsidiaries as of December 31, 2013 and 2012, and the related consolidated statements of comprehensive income, stockholders’ equity and cash flows for each of the years in the three-year period ended December 31, 2013, and the effectiveness of internal control over financial reporting as of December 31, 2013, incorporated herein by reference.

/s/ KPMG LLP

Cleveland, Ohio

July 7, 2014