Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement (Form S-8 No.

333-287967) pertaining to the 2019 Equity Incentive Plan and 2025 Incentive Award Plan of

our report dated March 06, 2026, with respect to the consolidated financial statements of

Ategrity Specialty Insurance Company Holdings included in this Annual Report (Form 10-K)

for the year ended December 31, 2025.

/s/ Ernst & Young LLP

Tysons, Virginia

March 6, 2026