How Does Marsh McLennan Make its Money?
Marsh McLennan is the world’s largest insurance broker and a leading professional services firm. The company operates through four businesses: Marsh (insurance brokerage and risk management), Guy Carpenter (reinsurance brokerage), Mercer (human resources and investment consulting), and Oliver Wyman (management consulting). Marsh McLennan acts as an intermediary between companies seeking insurance and the insurers themselves, earning commissions and fees on policies placed. The company benefits from the secular trend of rising insurance complexity and the growing need for risk advisory services.
Marsh McLennan (MMC) Business Model
Marsh McLennan operates in the financial services sector. Below is a summary of Marsh McLennan’s revenue streams, how the company generates income, and the key financial metrics from its most recent annual report. This breakdown uses data from Marsh McLennan’s 2024 fiscal year filings with the SEC.
Marsh McLennan Competitors
Marsh McLennan’s key competitors and comparable public companies in the financial services sector include Progressive, Accenture, and BlackRock. Each of these companies competes for market share, investor attention, and revenue in overlapping segments. See how Marsh McLennan stacks up by comparing their revenue breakdown, margins, and growth metrics.
Marsh McLennan Competitors
Marsh McLennan’s key competitors and comparable public companies in the financial services sector include Progressive, Accenture, and BlackRock. Each of these companies competes for market share, investor attention, and revenue in overlapping segments. See how Marsh McLennan stacks up by comparing their revenue breakdown, margins, and growth metrics.
Marsh McLennan Competitors
Marsh McLennan’s key competitors and comparable public companies in the financial services sector include Progressive, Accenture, and BlackRock. Each of these companies competes for market share, investor attention, and revenue in overlapping segments. See how Marsh McLennan stacks up by comparing their revenue breakdown, margins, and growth metrics.
Marsh McLennan Competitors
Marsh McLennan’s key competitors and comparable public companies in the financial services sector include Progressive, Accenture, and BlackRock. Each of these companies competes for market share, investor attention, and revenue in overlapping segments. See how Marsh McLennan stacks up by comparing their revenue breakdown, margins, and growth metrics.
Marsh McLennan Competitors
Marsh McLennan’s key competitors and comparable public companies in the financial services sector include Progressive, Accenture, and BlackRock. Each of these companies competes for market share, investor attention, and revenue in overlapping segments. See how Marsh McLennan stacks up by comparing their revenue breakdown, margins, and growth metrics.
Marsh McLennan Competitors
Marsh McLennan’s key competitors and comparable public companies in the financial services sector include Progressive, Accenture, and BlackRock. Each of these companies competes for market share, investor attention, and revenue in overlapping segments. See how Marsh McLennan stacks up by comparing their revenue breakdown, margins, and growth metrics.
Revenue Breakdown
| Segment | 2024 | 2023 | YoY Growth |
|---|---|---|---|
| Marsh (Insurance Brokerage) | $13,800 | $12,600 | +9.5% |
| Guy Carpenter (Reinsurance) | $2,500 | $2,300 | +8.7% |
| Mercer (HR Consulting) | $5,900 | $5,600 | +5.4% |
| Oliver Wyman (Strategy Consulting) | $3,200 | $2,800 | +14.3% |
| Total Revenue | $24,600 | $22,700 | +8.4% |
Marsh (Insurance Brokerage) — 56% of Revenue
Guy Carpenter (Reinsurance) — 10% of Revenue
Mercer (HR Consulting) — 24% of Revenue
Oliver Wyman (Strategy Consulting) — 13% of Revenue
Income Statement Overview
| Metric | 2024 | 2023 |
|---|---|---|
| Total Revenue | $24,600 | $22,700 |
| Cost of Revenue | $14,200 | $13,400 |
| Gross Profit | $10,400 | $9,300 |
| Operating Expenses | $4,700 | $4,300 |
| Operating Income | $5,700 | $5,000 |
| Net Income | $4,300 | $3,700 |
All values in millions USD unless otherwise stated.
Key Financial Metrics
- Gross Margin: 42.3%
- Operating Margin: 23.2%
- Revenue Growth: 8.4%
Is Marsh McLennan Profitable?
Yes, Marsh McLennan is profitable. The company reported net income of $4,300 on total revenue of $24,600. With an operating margin of 23.2%, Marsh McLennan demonstrates solid profitability for the financial services sector. The gross margin of 42.3% reflects Marsh McLennan’s pricing power and cost structure.
What to Watch
- Organic revenue growth in Marsh as commercial insurance rates evolve
- Reinsurance market dynamics and Guy Carpenter placement volumes
- Mercer wealth management and benefits consulting growth amid retirement trends
- Acquisition pipeline and bolt-on M&A to expand geographic and specialty reach
Marsh McLennan (MMC) Financial Summary
Marsh McLennan (MMC) is a financial services company that generated $24,600 in total revenue in fiscal year 2024. Revenue grew 8.4% year-over-year. The company earned $4,300 in net income, making it profitable. For a deeper look at Marsh McLennan’s revenue breakdown, business segments, and financial performance, review the detailed analysis above.