Ategrity Specialty Insurance Company Holdings, through its subsidiaries, provides excess and surplus lines insurance and reinsurance products to small and medium-sized businesses in the United States. It offers property and casualty insurance solutions, including commercial property, low-limit general liability, and management and professional liability products on primary and an excess basis to retail, real estate, hospitality, and construction verticals. The company markets and distributes its products through brokerage and small business channels. The company was formerly known as Ategrity Specialty Holdings LLC. Ategrity Specialty Insurance Company Holdings was incorporated in 2017 and is based in New York, New York. Ategrity Specialty Insurance Company Holdings operates as a subsidiary of Zimmer Financial Services Group LLC.