Marsh & McLennan

Marsh & McLennan in Fortune Rankings

Marsh & McLennan is a professional services company that provides advisory and insurance solutions to clients in the areas of risk, strategy, and people. Founded in 1871, Marsh & McLennan operates across four major businesses—Marsh, Guy Carpenter, Mercer, and Oliver Wyman—serving clients in more than 130 countries.

Marsh & McLennan stock chart

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