Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated November 15, 2021 relating to the financial statements of The RMR Group Inc. (the “Company”) and the effectiveness of the Company’s internal control over financial reporting, appearing in the Annual Report on Form 10-K of the Company for the year ended September 30, 2021.

/s/ Deloitte & Touche LLP

Boston, Massachusetts

March 10, 2022