EX-23.1 4 issc-20210930xex23d1.htm EXHIBIT 23.1

Exhibit 23.1

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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

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We have issued our report dated December 22, 2021, with respect to the consolidated financial statements included in the Annual Report of Innovative Solutions and Support, Inc. on Form 10-K for the year ended September 30, 2021. We consent to the incorporation by reference of said report in the Registration Statements of Innovative Solutions and Support, Inc. on Forms S-8 (File No. 333-163712 and File No. 333-235689).

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/s/ GRANT THORNTON LLP

Philadelphia, Pennsylvania

December 22, 2021