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Marsh McLennan
Marsh McLennan

We are experts in risk, strategy and people – and a strategic partner in promoting growth, protecting value and helping clients make better decisions.

Our colleagues at Marsh, Guy Carpenter, Mercer and Oliver Wyman are known for character, commitment to their clients' enterprise and the temperament to overcome challenges.

Together, we combine a unique range of capabilities to help our clients solve problems, seize opportunities and build lasting success in increasingly dynamic operating environments.

Marsh McLennan brings together nearly 65,000 experts in risk, strategy, and people across Marsh, Guy Carpenter, Mercer, and Oliver Wyman, serving clients in over 130 countries.

Together, we combine a unique range of capabilities to help our clients solve problems, seize opportunities, and build lasting success in increasingly complex operating environments.


Marsh McLennan is a global leader in insurance broking and risk management. In more than 130 countries, our experts in every facet of risk and across industries help clients to anticipate, quantify, protect against — and recover from — the 'what ifs' in life. In today’s increasingly uncertain global business environment, Marsh McLennan helps clients to survive and thrive. We work with clients of all sizes to define, design, and deliver innovative solutions to better quantify and manage risk. To every client interaction, we bring an unmatched combination of deep intellectual capital, industry-specific expertise, global experience, and collaboration. We offer risk management, risk consulting, insurance broking, alternative risk financing, and insurance program management services to businesses, government entities, organisations, and individuals around the world.

Our Purpose


Diversity and inclusion at MarshMcLennan

The company applies a robust Diversity and Inclusion Policy in support of a key objective to attract, retain, develop and motivate the best people in our fields of endeavour, at all levels.

Guy Carpenter

Guy Carpenter & Company, LLC, a leading global risk and reinsurance specialist, has over a 90-year history of providing integrated solutions to the (re)insurance industry. With over 2,300 professionals in more than 50 offices around the world, Guy Carpenter delivers a powerful combination of broking expertise, strategic advisory services and industry-leading analytics to help our clients achieve profitable growth. As our clients’ most trusted and valuable reinsurance broker and strategic advisor, we leverage our intellectual capital to anticipate and solve for a range of emerging strategic business challenges and opportunities.


Diversity and Inclusion 

Employee Resource Groups. Guy Carpenter's employee resource groups support business needs along with employee development and engagement. The ERGs hold events, offer training, partner with client firms and work closely with our executive management. 

Marsh McLennan, our parent firm, also has a strong commitment to diversity and inclusion.  The senior-most business leaders from each operating company serve on the Marsh McLennan Diversity Council.  Marsh McLennan has partnerships with groups supporting diversity, such as the Asia Society, Catalyst, the Executive Leadership Council and the Human Rights Campaign, among others, and also supports enterprise-wide employee resource groups and a strong supplier diversity program.

We are an equal opportunity/affirmative action organization. We seek and welcome talented men and women without regard for age, race, color, religion, gender, national origin, sexual orientation, disability or veteran status.

Mercer is a global consulting leader helping clients around the world advance the health, wealth and careers of their most vital asset — their people.. We work collaboratively with our clients to transform strategy into practical actions that drive results. Our deep expertise, powerful insights, and real-world solutions help the people and organisations we serve take steps today to secure a better tomorrow. Our passion is making a difference in people’s lives. For us, it’s not just a business — it’s a mission. Our more than 22,000 employees work every day to improve the health, wealth, and careers of more than 110 million people globally. It’s how we make tomorrow, today.

Our Company Culture

Simply put, we come to work because we want to make a difference in people’s lives. At Mercer, our purpose is to make a positive difference in people’s lives by helping advance their health, wealth and careers. We do this by living within our carefully structured Mercer house, where our daily values support our strategic imperatives, which in turn support our overarching mission and purpose.

Mission and Purpose: The Greater Good

Our four strategic imperative pillars support our mission and ultimately allow us to make a difference in people’s live. Our business and company culture are rooted in this sense of purpose, which dictates our values and allows us to do best by our people, clients and shareholders alike.

PRIDE Values

Every day, in our work with clients and our relationships with each other, we demonstrate our Mercer PRIDE values. These values form the foundation for the four strategic imperatives under which we run our business: invest in our people, broaden client relationships, improve customer experience and deliver profitable growth

  •     Passion to win and be the best at what we do, reflected in our people, thought leadership, solutions and clients
  •     Respect for diversity: listening to and collaborating with others, being inclusive and bringing the best ideas forward
  •     Integrity in everything we do: knowing what is right and acting responsibly with our clients, colleagues and communities
  •     Innovation that anticipates our client needs and reshapes the marketplace
  •     Dedication to serving our clients with unparalleled quality and proven success
  •     Empowerment to act like business owners and be accountable for our decisions

We Value Diversity

Respect for diversity is one of our core values. It’s so important to us that we have a strategy in place to increase the diversity of our workforce and make sure that every unique voice is heard. This is good for our business — diverse work teams tend to have greater success — and good for our colleagues. You know that you can bring your whole self to work every day and that you will be celebrated and appreciated for who you are.


Lesbian, Gay, Bisexual, Transgender and Allies (LGBTA)

Mercer’s LGBTA BRG is dedicated to helping Mercer realise the full value of the firm’s lesbian, gay, bisexual and transgender colleagues while supporting Mercer’s strategic imperatives.  


Oliver Wyman 

Oliver Wyman is a global leader in management consulting. With offices in 50+ cities across nearly 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, operations, risk management, and organisation transformation. The firm has about 4,700 professionals around the world who help clients optimize their business, improve their operations and risk profile, and accelerate their organisational performance to seize the most attractive opportunities.

Our Culture

Our difference depends on the diverse, engaged, passionate, and experienced people who create our ideas and serve our clients.

At every level, we seek out those rare individuals who combine analytical rigor with broad vision and a human touch. We believe that increasingly complex challenges demand people with both deeper expertise and the ability to engage joyously across disciplines, lines of business, and borders.

Our Values

We value exceptional people - people with intelligence, energy, passion, emotional sensitivity, and a commitment to excellence. We refuse to compromise by hiring those who do not meet our high standards. We believe that if we have common aspirations, a non-hierarchical environment based on respect, and no artificial barriers to advancement, then exceptional people will realize their potential.

Oliver Wyman for Society


Our impact

Oliver Wyman is comprised of thought leaders who enjoy working together. We select the best people for each project, regardless of where they are based. The result is a “dream team” of individual experts who are also gifted collaborators – across disciplines, and at every level in client organizations.

We only engage where we can add genuine value. Beyond tangible impact on clients’ top and bottom lines, the Oliver Wyman difference takes many forms. Here are some of the roles we play for clients, their industries, and the larger society:

Transforming Business and Society

Female leaders at Oliver Wyman are influencing at the highest level and driving real change on the most important issues of our time – from better healthcare, to advising on Brexit and guiding on the growing use of analytics. Each of these partners is having an impact on our client’s business and on society more broadly.

Diversity & inclusion

Inclusion and diversity is how we run the firm. From the CEO and leadership team’s engaged participation in our Inclusion Council, strong values shape our daily interactions, business strategies, and culture.  We believe inclusion drives diversity, and diversity enables better business outcomes, for you and for our people. Oliver Wyman is convinced this is the right thing to do. And that it makes us collectively better, individually richer.

A culture where different people thrive. Together.

Our people feel confident that they can succeed at Oliver Wyman by being themselves, and are also clear that their diverse contribution is expected to produce the innovative solutions we offer to our clients. That is why our approach to I&D focuses on culture.  We believe every dimension of diversity - including background, experiences, and thought – should be nourished and valued.  We share this responsibility and work together to create the culture we want to live in.


The future of work is linked to how innovatively we can manage retirement security on the one hand and technology on the other

Julio Portalatin, President & CEO of Mercer

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