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¹ú²úºÚÁϳԹÏйÃÜÈë¿Ú at COP29

¹ú²úºÚÁϳԹÏйÃÜÈë¿Ú 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
¹ú²úºÚÁϳԹÏйÃÜÈë¿Ú 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 operate in 130 countries
We were founded in 1871
We have more than 85,000 global experts

We are a company of ideas and ideals.
With more than 85,000 colleagues based all over the world, 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 and for each other.