Risk and Opportunity in the World's Permacrisis

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.
This Moment
Flood risk, wildfire risk, AI, workforce trends & more
We are a company of ideas and ideals.
With more than 85,000 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. We are in business to expand what’s possible for our clients and for each other.