Marsh
Marsh & McLennan Companies is a global professional services group focused on risk, reinsurance, people, investments, and management consulting. Through Marsh, Guy Carpenter, Mercer, and Marsh Management Consulting, it advises clients on insurance placement, reinsurance strategy, employee benefits, retirement, health, and broader business transformation.
Fiscal year 2025 · change from previous year
Development 2020–2025
Business
Share of revenueInsurance broking, risk advisory, claims support, specialty programs, and alternative risk financing.
Treaty and facultative reinsurance, ILS structuring, and capital market-linked risk transfer.
Benefits, retirement, investment, and workforce-related advice and technology solutions.
Strategic, economic, operational, and brand consulting for corporate and public-sector clients.
Customers
The company serves commercial and consumer insurance buyers, large multinational corporations, middle-market firms, and public-sector organizations. It also works with insurers and reinsurers that need placement, advisory, actuarial, and capital-markets support, while Mercer and Marsh Management Consulting sell to employers seeking workforce, benefits, and strategy solutions.
Buy global insurance placement, risk advisory, and specialty broking to manage complex exposures.
Use Marsh McLennan Agency for business insurance, employee benefits, retirement, and private client coverage.
Buy reinsurance broking, actuarial analytics, capital solutions, and insurance-linked securities services.
Buy Mercer health, wealth, and career solutions to manage workforce costs and benefits design.
Buy strategic, economic, and brand consulting from Oliver Wyman Group / Marsh Management Consulting.
Strategy
The company is focused on cross-selling across its four businesses, using shared client relationships to address interconnected risks, workforce needs, and strategic issues. It is also expanding through acquisitions, specialty capabilities, and technology-enabled advice, while improving operating efficiency through its Thrive program and Business Client Services.
Bundling risk, reinsurance, benefits, and consulting deepens relationships and raises switching costs.
Acquisitions broaden distribution, add local expertise, and support growth in fragmented markets.
Data-driven modeling and advisory tools improve pricing, placement, and client retention.
Centralized services and productivity initiatives help offset compensation and integration costs.
Geography
2025Marsh operates in 130 countries, with a business mix that is globally diversified but still anchored in the U.S./Canada and other major insurance and consulting markets. The company reports meaningful international exposure across EMEA, Asia Pacific, and Latin America, which matters because foreign exchange, local regulation, and regional insurance cycles affect growth and margins.
Share of the revenue the company reports by geography.
Risks
The company is exposed to insurance-cycle volatility, competition from brokers, insurers, consultants, and digital entrants, and regulatory scrutiny around compensation and conflicts of interest. Its global footprint also creates foreign exchange, tax, and geopolitical exposure, while Mercer’s wealth business adds market and asset-performance risk.
- Insurance pricing and premium cycle volatilityImpact: HighLikelihood: Medium
Brokerage revenue depends on market activity, renewal conditions, and client demand for placements.
Exposure: Risk and Insurance Services
- Competition from alternative distribution channelsImpact: HighLikelihood: Medium
Clients can self-insure, buy direct, or use MGAs, online platforms, and non-traditional advisors.
Exposure - Regulatory and legal scrutiny of broker compensationImpact: HighLikelihood: Medium
Intermediary compensation and conflict-of-interest rules can affect business practices and margins.
Exposure: Global insurance broking
- Foreign exchange and international operating riskImpact: MediumLikelihood: Medium
A large share of revenue and costs is generated outside the U.S., creating translation and local-market risk.
Exposure - Capital market and asset performance risk in Mercer WealthImpact: MediumLikelihood: Medium
Wealth and investment services are sensitive to market levels, asset flows, and third-party manager performance.
Exposure: Mercer Wealth
Accounting
Judgemental itemsService fees, commissions, and advisory revenue can be recognized at different points depending on contract terms and performance obligations.
Impact: Quarterly revenue timing and margin comparability
The company carries significant goodwill from acquisitions and tests reporting units for impairment using qualitative and quantitative factors.
Impact: Potential non-cash charges to earnings
Acquisitions require fair-value estimates for intangibles and contingent payments, affecting amortization and liabilities.
Impact: Future expense recognition and balance-sheet values
Operating lease commitments are material for office footprint and affect reported liabilities and fixed obligations.
Impact: Balance sheet leverage and cash commitment analysis
The company discloses uncertain tax positions that may settle over time and affect cash taxes.
Impact: Potential cash outflows and tax expense volatility
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Last updated: 24/09/2026