Exhibit 32.1

CertificationPursuant to

18 U.S.C. Section 1350,

As AdoptedPursuant to

Section 906 ofthe Sarbanes-Oxley Act of 2002

In connection with the Annual Report on Form 10-K of Healthcare Services Group, Inc. (the “Company”) for the year ended December 31, 2022 as filed with the Securities and Exchange commission on the date hereof (the “Report”), I, Theodore Wahl, President and Chief Executive Officer of the Company, and Andrew M. Brophy, Principal Accounting Officer, each certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d), of the Securities Exchange Act of 1934; and

(2) That information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	February 17, 2023	/s/ Theodore Wahl
		Theodore Wahl
		President & Chief Executive Officer
		(Principal Executive Officer)
Date:	February 17, 2023	/s/ Andrew M. Brophy
		Andrew M. Brophy
		Vice President, Controller & Principal Accounting Officer
		(Principal Financial and Accounting Officer)