alongside consulting services via Mercer and Oliver Wyman. Headquartered in New York, it serves businesses, public entities, and private clients worldwide. The insurance broker's shares have ...

Marsh McLennan is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of over ...

The New York-based company operates through four key subsidiaries: Marsh (insurance brokerage), Guy Carpenter (reinsurance), Mercer (consulting), and Oliver Wyman (management consulting).