MARSH & MCLENNAN COMPANIES, INC.

Marsh & McLennan Companies operates as a professional services firm providing risk management, insurance broking, and consulting services to a global client base. The company serves businesses, public entities, insurance companies, associations, and professional services organizations across multiple industries and geographies. Its service offerings span risk consulting, insurance program management, analytical modeling, alternative risk financing, and actuarial advisory.

The company is organized into two primary segments. The Risk and Insurance Services segment generates revenue through insurance broking, risk management services, insurance program management, reinsurance broking, strategic advisory work, and analytics solutions. The Consulting segment provides health, wealth, and career advice alongside specialized management, strategic, economic, and brand consulting services to organizational clients.

With approximately 95,000 full-time employees, Marsh & McLennan maintains a substantial operational footprint across multiple continents. The company was founded in 1871 and is incorporated in Delaware, with headquarters in New York. Its scale and geographic diversification position it to serve multinational enterprises and complex risk environments requiring integrated advisory and insurance solutions.