Marsh McLennan

Know more. Do more.

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Our consulting, brokerage, and claims advocacy services leverage data, technology, and analytics to help you better quantify and manage risk.

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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.

Your industries

We bring an unmatched combination of industry specific expertise, deep intellectual capital, and global experience to the range of risks you face.

Your industries

We bring an unmatched combination of industry specific expertise, deep intellectual capital, and global experience to the range of risks you face.

Your industries

We bring an unmatched combination of industry specific expertise, deep intellectual capital, and global experience to the range of risks you face.

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 Power of Perspective
With more than 90,000 colleagues worldwide, our shared purpose — to build the confidence to thrive through the power of perspective — has never been more important or more relevant. We are in business to expand what’s possible for our clients, communities and our colleagues.