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Nature of Business	12 Months Ended
Nature of Business	Dec. 31, 2025
Nature of Business
Nature of Business	Nature of Business Kingstone Companies, Inc. (referred to herein as "Kingstone" or the “Company” or, on a standalone basis for the parent company only, the “Holding Company”), operates through its wholly-owned subsidiary, Kingstone Insurance Company (“KICO”). KICO is a New York domiciled carrier writing business through retail and wholesale agents and brokers. KICO is actively writing personal lines and commercial auto insurance in New York, and in 2024 was the 12th largest writer of homeowners insurance in New York. KICO is also licensed in the states of New Jersey, Rhode Island, Massachusetts, Connecticut, Pennsylvania, New Hampshire, and Maine. For the years ended December 31, 2025 and 2024, 98.0% and 96.0%, respectively, of KICO’s direct written premiums came from the New York policies. Kingstone, through its wholly owned subsidiary, Cosi Agency, Inc. (“Cosi”), a multi-state licensed general agency, receives commission revenue from KICO for the policies it places with others and pays commissions to these agencies.