Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

PAR Technology Corporation

New Hartford, New York

We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Registration Statement of our report dated March 16, 2020, relating to the consolidated financial statements of PAR Technology Corporation appearing in the Company’s Annual Report of Form 10-K for the year ended December 31, 2020.

We also consent to the reference to us under the caption “Experts” in the Prospectus.

/s/ BDO USA, LLP

New York, New York

April 12, 2021

BDO USA, LLP, a Delaware limited liability partnership, is the U.S. member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms.

BDO is the brand name for the BDO network and for each of the BDO Member Firms.