Arthur J. Gallagher
Arthur J. Gallagher & Co. is a leading global provider of insurance brokerage, reinsurance brokerage, consulting, and third-party claims administration services. The company acts as an intermediary between clients and underwriting enterprises, delivering structured risk management solutions and employer-sponsored benefit programs without assuming net underwriting risk. It operates as one of the largest insurance brokers and property/casualty third-party claims administrators in the world.
Financials
Based on Q1 2026 filing
Revenue
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Brokerage
primaryProvides insurance and reinsurance placement, risk management consulting, and employer-sponsored benefit program management. This segment operates through a global network of sales and service offices, focusing on specialized industry niches to deliver tailored coverage solutions.
Cyber Liability, Directors & Officers Liability, Workers’ Compensation, Health & Welfare, Professional Liability, Surety Bond, Errors & Omissions, Healthcare Analytics, Institutional Investment, Exchange Solutions
Commercial entities, Nonprofit organizations, Public sector entities, Insurance companies, Insurance capital providers
Risk Management
majorOffers contract claim settlement, claim administration, loss control services, and risk management consulting. It specifically serves organizations that choose to self-insure their property/casualty coverages or require third-party claims management outside of traditional underwriting enterprises.
Contract claim settlement, Claim administration, Loss control services, Risk management consulting
Self-insured commercial entities, Captive insurance entities, Public sector entities, Nonprofit organizations
Segment Financials
Brokerage — Compensation
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Competitive Position
The company is the world's third largest insurance broker and one of the largest property/casualty third-party claims administrators globally.
Geographies
United States, United Kingdom, Australia, Canada, New Zealand
Customer Segments
Middle-market enterprises, Fortune 1000 corporations, Public sector, Nonprofits
Upstream Dependencies
Underwriting enterprises, Insurance companies, Reinsurance companies, Risk-taking entities
Downstream Customers
Commercial businesses, Public sector entities, Nonprofit organizations, Individual policyholders
Competitors & Partners
Competitors
Aon plc
AON
Major global competitor in insurance brokerage, reinsurance, and human capital consulting.
Marsh
MRSH
Competitor in insurance brokerage and risk management
Willis Towers Watson
WTW
Global advisory, broking, and solutions company competing in the brokerage and consulting space.
Brown & Brown
BRO
Competitor in the insurance brokerage and risk management services market.
Subsidiaries
Gallagher Bassett
The primary brand for the company's risk management and third-party claims administration services.
Arthur J. Gallagher FAQ
Common questions about Arthur J. Gallagher
Arthur J. Gallagher & Co. is a leading global provider of insurance brokerage, reinsurance brokerage, consulting, and third-party claims administration services. The company acts as an intermediary between clients and underwriting enterprises, delivering structured risk management solutions and employer-sponsored benefit programs without assuming net underwriting risk. It operates as one of the largest insurance brokers and property/casualty third-party claims administrators in the world.
Arthur J. Gallagher (AJG) has a market capitalization of $50.7B and trades on NYSE.
Arthur J. Gallagher generated $15.0B in trailing twelve-month revenue with net income of $1.6B, representing a net margin of 10.8%. These figures are based on the Q1 2026 filing.
Arthur J. Gallagher's key competitors include Aon plc, Marsh, WTW, and others. These companies compete in similar markets and product categories.
Arthur J. Gallagher has approximately 52,000 employees.