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.
The impact of our collective strength
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.