Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors

WageWorks, Inc.:

We consent to the use of our reports dated February 23, 2017, with respect to the consolidated balance sheets of WageWorks, Inc. as of December 31, 2016 and 2015, and the related consolidated statements of income, stockholders’ equity, and cash flows, for each of the years in the three-year period ended December 31, 2016, and the effectiveness of internal control over financial reporting as of December 31, 2016, incorporated herein by reference and to the reference to our firm under the heading “Experts” in the prospectus.

/s/ KPMG LLP

San Francisco, California

June 19, 2017