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.
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.
Experience Marsh McLennan
Marsh McLennan to Advance Insurance Sector Action on Climate Adaptation
Environmental and Cyber Risks Overshadowed by Short-Term Economic Concerns
Inclusion, Diversity & Belonging
John Q. Doyle to Succeed Dan Glaser as President & CEO
ESG @ Marsh McLennan
Accelerating Impact: 2021 ESG Report