Ryan Specialty Group Completes Acquisition of Irwin Siegel Agency, Inc.

February 1, 2018, CHICAGO, IL – Ryan Specialty Group, LLC, is pleased to announce the completion of the acquisition of the assets and operations of the Irwin Siegel Agency, Inc. (ISA). ISA is a leading human and social service managing general underwriter and is based in Rock Hill, New York. Specialties include Developmental Disability Organizations, Addiction Treatment and Behavioral / Mental Healthcare, Youth Programs, and more. ISA’s operations are a part of RSG Underwriting Managers, LLC (RSGUM), the managing general underwriting division of Ryan Specialty Group. This transaction was previously announced on January 24, 2018.

For nearly 60 years, ISA has been a family-owned business providing property and casualty insurance products and risk management solutions and has remained focused on one primary goal – improving the quality of life for society’s most vulnerable members: our developmentally disabled. In 1985, ISA developed the very first property and casualty insurance package specifically designed for non-profit organizations serving individuals with disabilities. The agency is led by Howard Siegel who has been with the agency for close to 40 years. Howard will continue as CEO of the Irwin Siegel Agency going forward.

Howard Siegel can be reached at:, 800-622-8272, ext. 5003


Ryan Specialty Group, LLC

Founded in 2010, Ryan Specialty Group, LLC is an international specialty insurance organization which includes a wholesale brokerage firm and highly-specialized managing general underwriting companies designed specifically for brokers, agents and insurers.

RSG Underwriting Managers, LLC

RSG Underwriting Managers, LLC (RSGUM) is the managing general underwriting division of Ryan Specialty Group and consists of a series of specialty property and casualty managing general underwriters (MGU). Each MGU provides expertise in distinct challenging market niches. RSGUM provides centralized governance, shared services and executive oversight to its specialty underwriting businesses.

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