AmTrust Financial Services, Inc.

InsuranceNew York, United States1001-5000 Employees

AmTrust Financial Services, Inc. operates as a multinational property and casualty insurer, delivering coverage through its subsidiaries across global markets. Founded in 1998 to provide workers' compensation insurance for small U.S. businesses, the company now serves a broader client base through three segments: Small Commercial Business Insurance, Specialty Risk and Extended Warranty, and Specialty Middle-Market Property and Casualty Program Insurance. The company is based in New York City, New York.

It serves small businesses and middle-market clients by offering targeted property and casualty coverages and specialized programs that address diverse risk needs. The three-segment structure allows AmTrust to meet both standard and more complex insurance requirements across property and casualty lines on a global basis. In June 2026, AmTrust Specialty expanded its capacity through a partnership with NBS Underwriting Limited to provide an additional £5 million excess layer for professional indemnity, aimed at streamlining placement.

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