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MARSH & McLENNAN COMPANIES

About

 
Our enterprise
Marsh McLennan is the world’s leading professional services firm in the areas of risk, strategy and people. Our more than 85,000 colleagues advise clients in 130 countries. With annual revenue of over $23 billion, we help corporate and public sector leaders navigate an increasingly dynamic environment through four market-leading businesses - Marsh, Guy Carpenter, Mercer and Oliver Wyman. Together, we address the most complex challenges of our time.
Our shared commitments
At Marsh McLennan, we believe the best expertise is well-rounded. So to help you meet every challenge with confidence, we bring distinct strengths on multiple fronts.
We are committed partners
We work with curiosity, care and integrity to understand your unique needs and enable you ultimate success.
ESG Reports >>
We apply unique expertise
We bring a distinct combination of capabilities—from data-driven insights to deep industry knowledge and experience.
Annual Reports >>
We deliver actionable solutions
We provide practical solutions to your most pressing challenges, delivering results that help businesses and communities thrive.
Code of Conduct >>
 
Committed partners
We center everything we do on your success, solving problems so you can pursue your ambitions with confidence.
Leadership

We are guided by some of the most innovative and experienced executives in our industries.

Meet our leaders
Leadership

We are guided by some of the most innovative and experienced executives in our industries.

Meet our leaders
Culture

Inclusion, diversity and belonging are at the heart of how we work together. We succeed when we bring the widest range of people and views to the table.

Where you belong
Culture

Inclusion, diversity and belonging are at the heart of how we work together. We succeed when we bring the widest range of people and views to the table.

Where you belong
 
Unique expertise
For more than 150 years, we’ve been helping business leaders find the right way forward in the areas of risk, strategy and people. We bring together experts from across our four global businesses to help clients confidently navigate challenges on the way to game-changing success.
Heritage

Since 1871, the people of Marsh McLennan have shaped our shared enterprise to address the challenges of their time.

Follow our journey
Heritage

Since 1871, the people of Marsh McLennan have shaped our shared enterprise to address the challenges of their time.

Follow our journey
Careers

We are a global workforce of exceptionally talented colleagues who thrive on creativity, forward-thinking and giving back. 

Join our team
Careers

We are a global workforce of exceptionally talented colleagues who thrive on creativity, forward-thinking and giving back. 

Join our team
 
Actionable solutions
Our solutions drive results for our clients, enabling their businesses and communities to thrive.
Environmental, Social & Governance

We are bringing greater urgency to advancing social equity, sustainability and accountability. 

See our initiatives
Environmental, Social & Governance

We are bringing greater urgency to advancing social equity, sustainability and accountability. 

See our initiatives
Corporate Governance

Sound corporate governance principles, acting with integrity and maintaining the trust of our shareholders are among our most important values and practices.

Find key guidelines
Corporate Governance

Sound corporate governance principles, acting with integrity and maintaining the trust of our shareholders are among our most important values and practices.

Find key guidelines

Explore our global businesses