As of December 2024 Marsh & McLennan Companies has a market cap of $104.69 Billion USD. This makes Marsh & McLennan Companies the world's 162th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 17th, 2024 the market cap of Marsh & McLennan Companies was reported to be: