Exhibit n.4

Consent of Independent Auditor

We hereby consent to the incorporation by reference of our report dated February 14, 2024 on the consolidated financial statements of Crystal Financial LLC, which report appears in the annual report on Form 10-K of SLR Investment Corp. dated February 27, 2024, in the Registration Statement on Form N-2 of SLR Investment Corp.

/s/ Baker Tilly US, LLP

Philadelphia, Pennsylvania

April 17, 2024