Arthur J. Gallagher & Co.
ajg.comArthur J. Gallagher & Co. (NYSE: AJG) is an insurance brokerage and risk management company that places commercial and personal insurance coverage on behalf of clients and administers claims for self-insured entities. Revenue comes primarily from commissions and fees paid by insurers and clients for brokerage services, with a secondary stream from risk management fees tied to claims administration and loss control services. AJG operates across two reportable segments: Brokerage and Risk Management, as disclosed in its 10-K filed February 17, 2026 (accession 0001628280-26-008662) for the fiscal year ended December 31, 2025. The company is headquartered in Rolling Meadows, Illinois and was founded by Arthur J. Gallagher in 1927. It competes with Marsh & McLennan, Aon, Willis Towers Watson, and a large number of regional and specialty brokers. AJG has pursued an active acquisition strategy to expand its brokerage footprint domestically and internationally.
Products & Services
Commercial property and casualty insurance brokerage, employee benefits brokerage, personal lines insurance placement, claims management, loss control consulting, third-party claims administration for self-insured entities.
Revenue Model
Commission and fee income from placing insurance coverage for clients (Brokerage segment) and fees for claims administration and loss control services for self-insured and captive clients (Risk Management segment).
Customers & Markets
Commercial enterprises, public sector entities, non-profits, and self-insured organizations seeking property/casualty coverage, employee benefits, and claims administration services.
Geographic Exposure
United States (primary market) with international operations; specific revenue mix by geography not supported by available filing excerpts.
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