BAH · Annual Report (Form 10-K) · Filed May 22, 2026

Booz Allen Hamilton Holding Corp — 10-K exhibit

exhibit23eydraftconsentfy26.htm

Booz Allen Hamilton Holding Corp on Boardroom Alpha

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Exhibit 23

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements of Booz Allen Hamilton Holding Corporation:

•Form S-3 No. 333-273531

•Form S-3 No. 333-273531-01

•Form S-8 No. 333-205956

•Form S-8 POS No. 333-205956

•Form S-8 No. 333-171288

•Form S-8 POS No. 333-171288

of our reports dated May 22, 2026, with respect to the consolidated financial statements of Booz Allen Hamilton Holding Corporation and the effectiveness of internal control over financial reporting of Booz Allen Hamilton Holding Corporation included in this Annual Report (Form 10-K) of Booz Allen Hamilton Holding Corporation for the year ended March 31, 2026.

/s/ Ernst & Young LLP

Tysons, Virginia

May 22, 2026

A member firm of Ernst & Young Global Limited

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