Marsh McLennan is a global professional-services firm tracked by InsureSouk for its relevance to insurance broking, risk advisory, reinsurance broking, capital advisory, benefits, workforce advice, and management consulting.
Company intelligence
Reported scale
FY2025
- Revenue: USD 27.0 billion
- Adjusted operating income: USD 7.3 billion
- Free cash flow: USD 5.0 billion
- Scale indicator: more than 90,000 colleagues
Capital & solvency
FY2025
- Adjusted operating income: USD 7.3 billion
- Free cash flow: USD 5.0 billion
- Returned USD 4.8 billion to shareholders through dividends and share repurchases
- No insurer solvency ratio is displayed for this broker/adviser profile
Investment portfolio
FY2025 annual-report context
- Investment context is limited to Marsh McLennan public annual-report disclosures
- This profile does not display an insurer investment portfolio because Marsh McLennan is not profiled as a risk-bearing carrier
- No security-level holdings are displayed
Capital structure
FY2025
- Free cash flow: USD 5.0 billion
- Returned USD 4.8 billion to shareholders through dividends and share repurchases
- Capital review basis: corporate annual-report and investor materials
Reinsurance / risk transfer
FY2025 annual-report and company-profile context
- Risk-transfer relevance: Marsh, Guy Carpenter, Mercer, and Oliver Wyman
- Guy Carpenter connects the group to reinsurance broking, advisory, and capital solutions
- Coverage level: public broking and advisory context; no private placement terms are displayed
Claims / underwriting performance
FY2025 company-profile context
- Marsh McLennan is not profiled as an underwriting carrier
- No combined ratio, reserve figure, or underwriting result is displayed for this broker/adviser profile
- Claims and underwriting relevance is advisory, placement, risk-consulting, and client-service context only
Business mix
FY2025
- Marsh: insurance broking and risk advisory
- Guy Carpenter: reinsurance and capital advisory
- Mercer: health, wealth, and career
- Oliver Wyman: management consulting
Listed securities
Reference identifiers
- Ticker / identifier: NYSE: MRSH
- Exchange: New York Stock Exchange
- Investor relations: Marsh McLennan Investor Relations
Source / update note
- Basis: Marsh McLennan official site, 2025 annual report, investor-relations materials, business-line references, advisory/risk-transfer references, and listed-company pages
- Market-data scope: no live quote values are stored or displayed
Source-reviewed company references
Marsh McLennan investor-relations source path
Marsh McLennan's investor-relations page is the official source path for annual reports, SEC filings, earnings, and stock information.
Why it matters: The source path anchors broker/adviser and professional-services coverage to Marsh McLennan's own public disclosures.
Reviewed as an official Marsh McLennan source path for issuer reporting and investor materials.
This is a source-path reference, not investment advice, valuation analysis, rating advice, product comparison, or live monitoring.
Marsh McLennan FY2025 annual report reference
Marsh McLennan's 2025 annual report provides official public references for revenue, adjusted operating income, free cash flow, colleagues, and capital-return context.
Why it matters: The annual report is the primary company source for reading Marsh McLennan as a broker, risk adviser, reinsurance broker, and professional-services group.
Reviewed as an official Marsh McLennan annual-report source. The source date follows the company annual-reports archive entry for the 2025 annual report.
Marsh McLennan is not profiled as an underwriting carrier, so insurer solvency and combined-ratio fields are not displayed.
Marsh McLennan FY2025 operating-company reference
Marsh McLennan's 2025 annual report identifies Marsh, Guy Carpenter, Mercer, and Oliver Wyman as operating companies.
Why it matters: The operating-company split shows why the group is relevant across insurance broking, reinsurance, risk advisory, human capital, and consulting.
Reviewed as an official Marsh McLennan annual-report source for operating-company context.
The reference describes advisory and broking operations, not risk-bearing insurance underwriting.
Full company reference archive
View the complete source-reviewed company reference archive, including reporting periods, source dates, reviewed dates, methodology notes, reader cautions, and official source links.
Business Overview
Marsh McLennan operates through Marsh, Guy Carpenter, Mercer, and Oliver Wyman. For insurance-market coverage, Marsh and Guy Carpenter are especially relevant because they connect corporate insurance buying, risk advisory, reinsurance placement, capital advisory, analytics, and market access.
Marsh McLennan is not profiled by InsureSouk as an underwriting insurance carrier. It is tracked as a broker/adviser and professional-services group that sits between buyers, insurers, reinsurers, capital providers, and risk advisory workflows.
Reported Scale and Financial Snapshot
Marsh McLennan's 2025 Annual Report reported revenue of USD 27.0 billion, adjusted operating income of USD 7.3 billion, and free cash flow of USD 5.0 billion. The same report says the group has more than 90,000 colleagues.
The company also reported returning USD 4.8 billion to shareholders through dividends and share repurchases in 2025.
Operating Segments / Business Lines
For insurance-market reference work, Marsh McLennan is most relevant across several connected areas:
- Marsh: insurance broking and risk advisory.
- Guy Carpenter: reinsurance broking, advisory, and capital solutions.
- Mercer: health, wealth, and career advisory.
- Oliver Wyman: management consulting.
Capital and Solvency
Marsh McLennan is not an insurance carrier profile, so this page does not present an insurer solvency ratio, combined ratio, insurance reserve figure, or underwriting capital metric.
Capital context is limited to public corporate annual-report and investor disclosures, including adjusted operating income, free cash flow, and shareholder distributions.
Geographic Footprint
Marsh McLennan is a global professional-services group. Its insurance-market relevance includes corporate insurance buying, reinsurance broking, risk advisory, benefits, workforce strategy, and consulting across multiple jurisdictions.
Country-specific broking licences, regulated entities, and advisory services vary by jurisdiction.
Why It Matters
Marsh McLennan matters because brokers and advisers influence how large buyers access insurance and reinsurance markets. Through Marsh and Guy Carpenter, the group is relevant to risk placement, reinsurance capacity, catastrophe risk, specialty coverage, analytics, and capital advisory.
For InsureSouk, Marsh McLennan is also relevant when tracking insurance distribution, reinsurance-market conditions, broker consolidation, risk advisory, employee benefits, and consulting-led insurance strategy.
Recent Strategic Themes
Marsh McLennan's public materials emphasize resilience, risk advisory, capital, analytics, talent, health, and advice across risk and people topics. Those themes connect the group to InsureSouk coverage of insurance broking, reinsurance advisory, client risk management, and professional-services influence in insurance markets.
Reader Note
This profile is a source-led reference page for a broker/adviser and professional-services group. It is not investment advice, rating advice, or a recommendation. It does not present Marsh McLennan as an underwriting carrier and does not include live market data.