Marsh & McLennan Companies, Inc. is a global professional services firm specializing in risk, insurance brokerage, reinsurance, health, wealth, and management consulting. The company focuses on providing advice and solutions in the areas of risk, strategy, and people to corporate, government, and institutional clients, as well as individual and consumer segments worldwide. Marsh & McLennan Companies, Inc. operates through two main segments: Risk and Insurance Services, and Consulting. The Risk and Insurance Services segment, delivered primarily through Marsh and Guy Carpenter, offers risk management advisory, insurance and reinsurance broking, risk transfer, and capital solutions for a broad range of industries and public entities. The Consulting segment, driven by Mercer and Oliver Wyman, provides health, wealth, and career consulting, alongside specialized management, economic, strategic, and brand advisory services. Headquartered in New York City and founded in 1871, Marsh & McLennan Companies, Inc. plays a central role in global financial and commercial markets by helping clients assess, manage, and optimize risk and human capital across regions and sectors.
CEO Mr. John Quinlan Doyle · 95,000 employees · United States · https://www.corporate.marsh.com