Marsh

Marsh is a US-based global professional services company headquartered in New York City. Formerly known as Marsh McLennan, it adopted the Marsh corporate brand in January 2026. The company provides risk advisory, insurance and reinsurance broking, investment and workforce consulting, and management consulting services. Operating in over 120 countries, its businesses include Marsh Risk, Marsh Re, Marsh People and Investments, and Oliver Wyman. Marsh also supports organisations with climate risk assessment, sustainability strategy, environmental risk management and business resilience.