Arthur J. Gallagher & Co., together with its subsidiaries, provides insurance and reinsurance brokerage, consulting, and third-party property/casualty claims settlement and administration services to entities and individuals worldwide. It operates in Brokerage and Risk Management segments. The Brokerage segment offers retail and wholesale insurance and reinsurance brokerage services; assists retail brokers and other non-affiliated brokers in the placement of specialized and hard-to-place insurance; and acts as a brokerage wholesaler, managing general agent, and managing general underwriter for distributing specialized insurance coverages to underwriting enterprises. This segment performs activities, including marketing, underwriting, issuing policies, collecting premiums, appointing and supervising other agents, paying claims, and negotiating reinsurance; and offers services in the areas of insurance and reinsurance placement, risk of loss management, and management of employer sponsored benefit programs. The Risk Management segment provides contract claim settlement and administration services; and claims management, loss control consulting, and insurance property appraisal services. The company offers its services through a network of correspondent brokers and consultants. It serves commercial, industrial, public, religious, and nonprofit entities, as well as underwriting enterprises. The company was founded in 1927 and is headquartered in Rolling Meadows, Illinois.
Arthur J. Gallagher & Co. (AJG) reported trailing twelve months (TTM) revenue of $13.94B as of December 2025, which represents a 20.7% increase year-over-year. The company's operating margin has contracted to 9.6% from 17.4% a year ago. In terms of profitability, AJG generated $1.49B in net income. Valuation-wise, the stock trades at a P/E ratio of 45.0x and a Price-to-Sales (P/S) ratio of 4.8x. The company generated $817.80M in free cash flow over the last twelve months, indicating its ability to reinvest in growth or return capital to shareholders. Data based on the most recent quarterly reports.
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