Trean Insurance Group, Inc. underwrites specialty casualty insurance products in the United States. The company underwrites business, predominantly workers' compensation, accident and health, and medical professional liability products. It also offers various services, including issuing carrier, claims administration, and reinsurance brokerage services. The company offers its products through program partners and managing general agents. Trean Insurance Group, Inc. was founded in 1996 and is headquartered in Wayzata, Minnesota. As of April 21, 2023, Trean Insurance Group, Inc. was taken private.