Marsh & McLennan Companies, Inc.

Insurance

Marsh & McLennan is a global professional services firm in the areas of risk, strategy, and people. The company operates through four businesses: Marsh (insurance broking and risk management), Guy Carpenter (reinsurance broking and risk analytics), Mercer (health, wealth, and career consulting), and Oliver Wyman (management, economic, and brand consulting). Marsh & McLennan serves clients in over 130 countries worldwide.

The Biology of Business

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