Exhibit 23.1

KPMG LLP

345 Park Avenue
New York, NY 10154-0102

Consent of Independent Registered Public Accounting Firm

We consent to the use of our reports dated February 9, 2024, with respect to the consolidated financial statements of Selective Insurance Group, Inc. and subsidiaries, and the effectiveness of internal control over financial reporting, incorporated herein by reference.

/s/ KPMG LLP

New York, New York
May 2, 2024

KPMG LLP, a Delaware limited liability partnership and a member firm of
the KPMG global organization of independent member firms affiliated with

KPMG International Limited, a private English company limited by guarantee.