Arthur J. Gallagher & Co.

Headquarters: Rolling Meadows, IL, United States

Founded: 1927

Employees: 39,000

CEO: Mr. J. Patrick Gallagher Jr.

NYSE: AJG +1.07%

Market Cap

$48.77 Billion

USD as of Jan. 1, 2024

Market Cap History

Company Description

Arthur J. Gallagher & Co., often abbreviated AJG, is a global insurance brokerage and risk management services company. Founded in 1927 and headquartered in Rolling Meadows, Illinois, AJG has become one of the largest insurance brokers in the world, operating in the Americas, Europe, Asia, and Oceania through local insurance brokering subsidiaries.

Arthur J. Gallagher & Co. market capitalization over time

Evolution of Arthur J. Gallagher & Co. market cap in the past 5 years

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Market Cap History of Arthur J. Gallagher & Co.

Detailed Description

Arthur J. Gallagher & Co., together with its subsidiaries, provides insurance brokerage, consulting, third-party claims settlement, and administration services in the United States, Australia, Bermuda, Canada, the Caribbean, New Zealand, India, and the United Kingdom. It operates through Brokerage and Risk Management segments. The Brokerage segment consists of retail and wholesale insurance brokerage operations; assists retail brokers and other non-affiliated brokers in the placement of specialized and hard-to-place insurance; acts as a brokerage wholesaler, managing general agent, and managing general underwriter for distributing specialized insurance coverage's to underwriting enterprises. This segment also performs activities, including marketing, underwriting, issuing policies, collecting premiums, appointing and supervising other agents, paying claims, and negotiating reinsurance; and offers brokerage and consulting services to businesses and organizations, including commercial, not-for-profit, and public entities, as well as individuals in the areas of insurance placement, risk of loss management, and management of employer sponsored benefit programs. The Risk Management segment provides contract claim settlement and administration services to enterprises and public entities; and claims management, loss control consulting, and insurance property appraisal services. The company offers its services through a network of correspondent insurance brokers and consultants. It serves commercial, industrial, public, religious, and not-for-profit entities. The company was incorporated in 1927 and is headquartered in Rolling Meadows, Illinois.

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Stocks & Indices

Arthur J. Gallagher & Co. has the following listings and related stock indices.

Stock: NYSE: AJG wb_incandescent

Stock: BMV: AJG wb_incandescent

Stock: Bovespa: A1JG34 wb_incandescent

Stock: FSX: GAH wb_incandescent

Product & Services


Key People

Founder(s): Arthur J. Gallagher

J. Patrick Gallagher, Jr. (chairman, president, & CEO); Douglas K. Howell (vice president & CFO)


Revenue: US$7.003 Billion (Fiscal Year Ended December 31, 2020)

Operating income: US$906.5 Million (Fiscal Year Ended December 31, 2020)

Net income: US$858.1 Million (Fiscal Year Ended December 31, 2020)

Total assets: US$22.331 Billion (Fiscal Year Ended December 31, 2020)

Total equity: US$6.232 Billion (Fiscal Year Ended December 31, 2020)



2850 Golf Road

Rolling Meadows, IL 60008

United States

Phone: 630-773-3800