Who is Gallagher?

Arthur J. Gallagher & Co. is one of the world’s largest full-service insurance brokers, and the largest third-party P&C claims administrator. We have sales and service operations in 35 countries and, through our Gallagher Global Alliance network of independent insurance brokers and consultants, offer client-service capabilities in more than 150 countries.

We’ve grown rapidly since Arthur Gallagher opened his family-run agency in Chicago in 1927. Yet, despite our size, we’re proud to maintain our collegial feel, with a strong culture of teamwork, mutual respect and an unwavering commitment to ethics.

Gallagher negotiates and places nearly all lines of property and casualty insurance, employer-provided health and welfare insurance and retirement solutions for clients of all sizes.


Our retail brokerage operations consist of more than 500 offices located primarily throughout North America, the United Kingdom, Australia, Bermuda, the Caribbean and New Zealand. We operate within key niche practice areas, which account for approximately 70% of our retail brokerage revenues. These specialized teams target areas of business and industries where we have developed significant expertise and a large client base. We also develop and manage alternative risk programs, such as captives, rent-a-captives and deductible plans/self-insurance.

>Mergers & Acquisitions Overview

Our wholesale brokerage operations help retail brokers and agents place specialized and hard-to-find insurance programs. We operate wholesale offices in more than 65 locations, primarily in the United States, Australia and Bermuda, along with an approved Lloyd’s of London broker. In some cases, we act as a brokerage wholesaler; in others we act as a managing general agent or managing general underwriter. Business Insurance ranks our wholesale brokerage operation as the largest domestic MGA/underwriting manager in the U.S.  More than 80% of our wholesale brokerage revenues come from retail brokers and agents unaffiliated with Gallagher.

Our Gallagher Bassett Services, Inc. subsidiary provides contract claims settlement and administration services for self-insured entities and insurance companies that Business Insurance ranks Gallagher Bassett as the world’s largest third-party P&C claims administrator. We also offer managed care, information management and appraisal services, as well as consulting services and training programs that help clients reduce losses, combat claims fraud and maintain regulatory compliance. We provide these services at more than 110 offices located throughout Australia, Canada, New Zealand, the United Kingdom and the United States. More than 90% of Gallagher Bassett’s revenues come from clients that do not use us as their retail or wholesale insurance broker.