Arthur J. Gallagher & Co. (NYSE: AJG)

Arthur J. Gallagher & Co. is a global provider of insurance brokerage, reinsurance brokerage, consulting, and third-party property/casualty claims settlement and administration services. The company operates in the financial services industry, specifically within the insurance and risk management sectors. Gallagher's major strength lies in its ability to deliver comprehensively structured insurance, reinsurance, and risk management solutions, superior claim outcomes, and comprehensive consulting services to a diverse client base worldwide.

The company generates revenue through commissions, fees, supplemental and contingent revenues, and interest income from its brokerage operations, as well as fees, including performance-based fees, from its risk management operations. Primary products and services include insurance and reinsurance placements, risk of loss management, management of employer-sponsored benefit programs, contract claim settlement, claim administration, loss control services, and risk management consulting. Gallagher's customer base is highly diversified, encompassing commercial, nonprofit, public sector entities, insurance companies, insurance capital providers, and individuals.

• Brokerage Segment: This segment accounted for 87% of Gallagher's revenues in 2025. It operates through a network of over 650 sales and service offices in the U.S. and approximately 400 offices in 60 countries, primarily in Australia, Canada, New Zealand, and the U.K. The brokerage segment offers client service capabilities in approximately 130 countries through direct operations and a network of correspondent brokers and consultants. Key product lines include aviation, casualty, claims advocacy, commercial auto, compensation, cyber liability, dental, directors & officers liability, disability, earthquake, errors & omissions, exchange solutions, executive benefits, fine arts, fire, general liability, healthcare analytics, health & welfare, human resources, institutional investment, life sciences, marine, medical, manufacturing, nonprofit, personal, products liability, professional liability, property, real estate/hospitality, religious, retirement, restaurant, retail and services, surety bond, technology & communications, transportation, voluntary benefits, and workers' compensation. The segment also includes specialized niche/practice groups such as affinity, automotive, aviation, construction, energy, entertainment, environmental, financial institutions, food/agribusiness, global risks, higher/K12 education, law firms, life sciences, manufacturing, marine, nonprofit, personal, private client, public sector, real estate/hospitality, religious, retail and services, technology & communications, trade credit/political risk, and transportation.

• Risk Management Segment: This segment accounted for 13% of Gallagher's revenues in 2025. It provides contract claim settlement, claim administration, loss control services, and risk management consulting for commercial, nonprofit, captive, and public sector entities, as well as various other organizations that choose to self-insure property/casualty coverages or use a third-party claims management organization. The segment's revenues are primarily derived from workers' compensation-related claims, general and commercial auto liability-related claims, and property-related claims.

• Corporate Segment: This segment reports financial information related to Gallagher's debt, external acquisition-related expenses, other corporate costs, the impact of foreign currency remeasurement, and clean energy investments. It did not generate any significant revenues in 2025.

Gallagher holds a strong position within the industry, being the world's third-largest insurance broker/risk manager based on revenues according to Business Insurance magazine's June/July 2025 edition, and one of the world's largest property/casualty third-party claims administrators. The company faces competition from various organizations and individuals globally, as well as from insurance and reinsurance carriers that market, distribute, and service a portion of their products directly. Gallagher's competitive advantages include the quality of services offered, personalized attention, individual and corporate expertise, data analytics and technology capabilities, overall cost efficiencies created for clients, and the ability to address client needs across the insurance value chain. The company's sophisticated data analysis and other data and benchmarking insights through Gallagher Drive, as well as the SmartMarket platform, provide a growing competitive advantage.

Gallagher's client base is highly diversified and includes commercial, industrial, public sector, religious, and nonprofit entities, as well as underwriting enterprises in its reinsurance operations and risk management segment. In 2025, the largest single client represented approximately 1% and the ten largest clients together represented approximately 3% of the combined brokerage and risk management segment revenues.