Marsh & McLennan

Product description

Global Leaders in Risk, Strategy, and People Solutions

Overview

Marsh & McLennan Companies (MMC) is a globally renowned professional services firm specializing in risk management, strategy, and human capital solutions. Headquartered in New York City, MMC operates in over 130 countries, serving clients across industries with expert insight and tailored services that help them navigate uncertainty, seize opportunity, and build long-term resilience.

Founded in 1905, MMC brings together the expertise of four market-leading businesses—Marsh, Guy Carpenter, Mercer, and Oliver Wyman—to deliver comprehensive and innovative solutions in risk, reinsurance, human resources, and strategic advisory.

Core Business Segments

1. Marsh – Insurance Broking and Risk Management

Marsh is the world’s leading insurance broker and risk advisor, helping clients identify, analyze, and manage risk. Marsh offers:

Enterprise risk assessments
Insurance placement and claims advocacy
Captive solutions and alternative risk financing
Business interruption, cyber risk, and ESG risk management
Specialized sector and regional risk expertise

2. Guy Carpenter – Reinsurance and Strategic Advisory

Guy Carpenter delivers advanced reinsurance solutions and strategic analytics that help insurance companies manage capital and mitigate catastrophe and systemic risk. Services include:

Treaty and facultative reinsurance placement
Risk modeling and catastrophe analytics
Regulatory capital advisory
Cyber and emerging risk consulting

3. Mercer – Human Resources and Workforce Consulting

Mercer helps organizations build the workforce of the future with services focused on:

Employee benefits and retirement planning
Health and well-being strategies
Talent management and HR transformation
Pay equity and DEI (Diversity, Equity, and Inclusion) solutions
Workforce analytics and global mobility

4. Oliver Wyman – Management Consulting and Strategic Advisory

Oliver Wyman provides high-impact, data-driven consulting to businesses across sectors, with strengths in:

Corporate strategy and transformation
Risk management and regulatory compliance
Operations and organizational effectiveness
Digital innovation and financial services consulting

Risk Assessment & Management Services

Marsh & McLennan is a global leader in risk advisory services, supporting clients in managing traditional, emerging, and complex risks across all sectors. Their approach combines actuarial science, data analytics, regulatory insight, and deep industry knowledge to develop actionable strategies.

Key risk services include:

Comprehensive enterprise risk management (ERM)
Political and geopolitical risk analysis
Climate risk and sustainability assessments
Cybersecurity and technology risk mitigation
Supply chain and operational risk evaluation
Regulatory and compliance risk advisory

MMC’s integrated approach ensures that clients not only identify and understand risk, but also build resilience and adapt proactively in dynamic environments.

Industries Served

Marsh & McLennan provides tailored solutions across a wide range of industries, including:

Financial Services
Energy & Power
Healthcare & Life Sciences
Public Sector & Education
Manufacturing & Construction
Transportation & Logistics
Technology, Media & Telecommunications
Consumer Goods & Retail

Each sector benefits from specialized teams with in-depth understanding of industry-specific challenges and regulatory landscapes.

Global Reach, Local Insight

With over 85,000 employees worldwide and a presence in all major markets, Marsh & McLennan delivers both global expertise and local knowledge. This ensures their solutions are culturally relevant, regionally compliant, and strategically aligned to clients’ business goals.

MMC also plays a key role in global thought leadership, publishing influential research on risk trends, economic outlooks, workforce strategy, and ESG challenges.