Exhibit 23.1​

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We have issued our report dated March 4, 2021, with respect to the consolidated financial statements and financial highlights included in the Annual Report of Stellus Capital Investment Corporation on Form 10-K for the year ended December 31, 2020. We consent to the incorporation by reference of said report in the Registration Statements of Stellus Capital Investment Corporation on Form N-2 (File No. 333-231111).

/s/ GRANT THORNTON LLP

Dallas, Texas
March 4, 2021