One Stop Systems (OSS) 10-Q 2021 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of One Stop Systems, Inc. (the “Company”) on Form 10-Q for the period ending June 30, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David Raun, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

Date:  August 12, 2021	By:	/s/ David Raun
		David Raun
		President and Chief Executive Officer (Principal Executive Officer)