Marsh McLennan is the world’s leading professional services firm in risk, strategy and people.
We bring together experts from across our four global businesses — Marsh, Guy Carpenter, Mercer and Oliver Wyman — to help make organizations more successful and societies more resilient.
Russia-Ukraine
Navigating an International Crisis
Find resources
We are a company of ideas and ideals.
With more than 80,000 colleagues based all over the world, our shared purpose — to make a difference in the moments that matter — has never been more important or more relevant. Change is our work, and it begins with us.