Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We have issued our reports dated February 27, 2015 with respect to the consolidated financial statements, financial highlights, and Schedule 12-14 of Main Street Capital Corporation included in the Annual Report on Form 10-K for the year ended December 31, 2014, which are incorporated by reference in this Registration Statement. We consent to the incorporation by reference of the aforementioned reports in this Registration Statement.
/s/ GRANT THORNTON LLP
Dallas, Texas
December 18, 2015