Exhibit 23.1
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT
We consent to the inclusion in this Registration Statement of Haymaker Acquisition Corp. III on Form S-1 of our report dated January 25, 2021, which includes an explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audits of the financial statements of the Company as of December 31, 2020 and for the year ended July 6, 2020 (inception) through December 31, 2020, which report appears in the Prospectus, which is part of this Registration Statement. We also consent to the reference to our Firm under the heading “Experts” in such Prospectus.
/s/ MarcumLLP
MarcumLLP
New York, NY
February 11, 2021