Marsh & McLennan Companies, Inc.

Marsh & McLennan Companies, Inc. (Marsh) is a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. The company generated an annual revenue of $27 billion and employs more than 95,000 colleagues. Marsh conducts business through two segments: Risk and Insurance Services, and Consulting. The Risk and Insurance Services segment accounted for approximately 64% of the company's total revenue in 2025 and employed around 55,700 colleagues globally. This segment includes Marsh Risk and Guy Carpenter. Marsh Risk is the world's leading insurance broker and risk advisor, offering risk management, insurance broking, insurance program management, risk consulting, analytical modeling, and alternative risk financing services. Marsh Risk serves a wide range of businesses, government entities, professional service organizations, and individuals in 130 countries. It employs approximately 52,000 colleagues and generated approximately 54% of the company's total revenue in 2025. Marsh Risk's services include risk analysis, insurance program design, claims support, and alternative risk strategies. The Consulting segment provides health, wealth and career advice, solutions and products, and specialized management, strategic, economic and brand consulting services through Mercer and Marsh Management Consulting. Effective January 14, 2026, the company updated its brand name from Marsh McLennan to Marsh, and the brand names of its Marsh and Oliver Wyman Group businesses to Marsh Risk and Marsh Management Consulting, respectively. Mercer and Guy Carpenter will continue to report under their current brands through a transition period.