Exhibit 23.1

 

Independent Registered Public Accounting Firm’s Consent

 

We consent to the incorporation by reference in this Registration Statement of Direct Digital Holdings, Inc. on Form S-3 of our report dated April 17, 2023, with respect to our audits of the consolidated financial statements of Direct Digital Holdings, Inc. as of December 31, 2022 and 2021 and for the years ended December 31, 2022 and 2021 appearing in the Annual Report on Form 10-K of Direct Digital Holdings, Inc. for the year ended December 31, 2022. We also consent to the reference to our firm under the heading “Experts” in the Prospectus, which is part of this Registration Statement.

 

/s/ Marcum llp

 

Marcum llp

Houston, Texas

April 21, 2023