Rimini Street (RMNI) S-3Shelf registration

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the use of our report dated March 2, 2022, with respect to the consolidated financial statements of Rimini Street, Inc., and the effectiveness of internal control over financial reporting, incorporated herein by reference, and to the reference to our firm under the heading “Experts” in the prospectus.

Santa Clara, California

March 2, 2022