Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on FormS-3 (No.333-269386 and No. 254762) of Ellington Financial Inc. of our report dated February 24, 2023 relating to the financial statements of LendSure Mortgage Corp., which appears in this Form 10-K.

/s/ Richey May & Co.

Denver, Colorado

March 1, 2023