MARSH & MCLENNAN COMPANIES, INC.

Marsh & McLennan Companies, Inc., operating as Marsh McLennan and Marsh, is a global professional services firm based in New York City. The company specializes in insurance brokerage, risk management, reinsurance services, talent management, investment advisory, and management consulting. Its operations are structured around four main companies. Marsh provides risk management, insurance broking, insurance program management, risk consulting, analytical modeling, and alternative risk financing services. Marsh Re functions as a reinsurance intermediary and advisor. Mercer offers consulting services to employers for health insurance, retirement plans, and pension plans. Oliver Wyman, which includes Lippincott and NERA Economic Consulting, delivers various consulting services. In 2024, the company's risk and insurance services segment generated 63% of total revenues and 71% of operating profit, while its consulting segment contributed 37% of revenues and 29% of operating profit. Marsh & McLennan Companies, Inc. is the largest insurance broker worldwide.