Marsh & McLennan Companies Inc Market Cap ($89.51 Billion)
Market Cap & Net Worth: Marsh & McLennan Companies Inc (MMC)
Marsh & McLennan Companies Inc market cap. Marsh & McLennan Companies Inc (NYSE:MMC) has a market capitalization of $89.51 Billion ($89.51 Billion) as of October 31, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #299 globally and #155 in its home market, demonstrating a -2.48% decrease in market value over the past year.
Market capitalization, also known as net worth in stock markets, is calculated by multiplying Marsh & McLennan Companies Inc's stock price $182.70 by its total outstanding shares 489909683 (489.91 Million).
Marsh & McLennan Companies Inc Market Cap History (2015–2026)
Marsh & McLennan Companies Inc market cap history from 2015 to 2026. Data shows growth from $23.30 Billion to $89.51 Billion (14.40% CAGR). Check MMC stock price and chart for real-time trading data and today's change.
Index Memberships
Marsh & McLennan Companies Inc is a constituent of 1 market index:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
S&P 500 Index
GSPC
|
$61.47 Trillion | 0.25% | #125 of 503 |
Weight: Marsh & McLennan Companies Inc's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.
Marsh & McLennan Companies Inc Market Cap to Earnings & Revenue Ratios Timeline
This chart shows how Marsh & McLennan Companies Inc's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Also see MMC cash generation efficiency for how efficiently the company converts equity into cash flow.
Latest Price to Sales (P/S) Ratio
4.25x
Marsh & McLennan Companies Inc's market cap is 4.25 times its annual revenue
Latest Price to Earnings (P/E) Ratio
25.63x
Marsh & McLennan Companies Inc's market cap is 25.63 times its annual earnings
What These Ratios Tell Investors:
- Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
- Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
- Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
- Industry comparison provides context for whether the company is valued higher or lower than peers.
| Year | Market Cap (USD) | Revenue (USD) | Net Income (USD) | P/S Ratio | P/E Ratio |
|---|---|---|---|---|---|
| 2015 | $23.30 Billion | $12.89 Billion | $1.60 Billion | 1.81x | 14.57x |
| 2016 | $29.02 Billion | $13.21 Billion | $1.77 Billion | 2.20x | 16.41x |
| 2017 | $35.61 Billion | $14.02 Billion | $1.49 Billion | 2.54x | 23.87x |
| 2018 | $35.56 Billion | $14.95 Billion | $1.65 Billion | 2.38x | 21.55x |
| 2019 | $50.62 Billion | $16.65 Billion | $1.74 Billion | 3.04x | 29.06x |
| 2020 | $54.09 Billion | $17.22 Billion | $2.02 Billion | 3.14x | 26.83x |
| 2021 | $81.58 Billion | $19.82 Billion | $3.14 Billion | 4.12x | 25.96x |
| 2022 | $78.77 Billion | $20.72 Billion | $3.05 Billion | 3.80x | 25.83x |
| 2023 | $91.49 Billion | $22.74 Billion | $3.76 Billion | 4.02x | 24.36x |
| 2024 | $104.06 Billion | $24.46 Billion | $4.06 Billion | 4.25x | 25.63x |
Competitor Companies of MMC by Market Capitalization
Companies near Marsh & McLennan Companies Inc in the global market cap rankings as of October 31, 2026. See net asset quality index of Marsh & McLennan Companies Inc to understand what proportion of total assets are financed by equity.
Key companies related to Marsh & McLennan Companies Inc by market ranking:
- Marsh & McLennan Companies, Inc. (NYSE:MRSH): Ranked #315 globally with a market cap of $85.27 Billion USD.
- Aon PLC (NYSE:AON): Ranked #417 globally with a market cap of $68.23 Billion USD.
- Arthur J Gallagher & Co (NYSE:AJG): Ranked #458 globally with a market cap of $59.65 Billion USD.
- Aon PLC (F:4VK): Ranked #474 globally with a market cap of $56.77 Billion USD ( €48.56 Billion EUR).
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #315 | Marsh & McLennan Companies, Inc. | NYSE:MRSH | $85.27 Billion | $200.62 |
| #417 | Aon PLC | NYSE:AON | $68.23 Billion | $321.67 |
| #458 | Arthur J Gallagher & Co | NYSE:AJG | $59.65 Billion | $276.07 |
| #474 | Aon PLC | F:4VK | $56.77 Billion | €288.20 |
Market Capitalization of Marsh & McLennan Companies Inc (2015–2026)
Market capitalization of Marsh & McLennan Companies Inc from 2015 to today. Between 2015 and today, Marsh & McLennan Companies Inc's market cap moved from $23.30 Billion to $ 89.51 Billion, with a yearly change of 14.40%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $89.51 Billion | -1.52% |
| 2025 | $90.89 Billion | -12.66% |
| 2024 | $104.06 Billion | +13.75% |
| 2023 | $91.49 Billion | +16.15% |
| 2022 | $78.77 Billion | -3.45% |
| 2021 | $81.58 Billion | +50.83% |
| 2020 | $54.09 Billion | +6.86% |
| 2019 | $50.62 Billion | +42.33% |
| 2018 | $35.56 Billion | -0.14% |
| 2017 | $35.61 Billion | +22.73% |
| 2016 | $29.02 Billion | +24.53% |
| 2015 | $23.30 Billion | -- |
End of Day Market Cap According to Different Sources
On Oct 31st, 2026 the market cap of Marsh & McLennan Companies Inc was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $89.51 Billion USD |
| MoneyControl | $89.51 Billion USD |
| MarketWatch | $89.51 Billion USD |
| marketcap.company | $89.51 Billion USD |
| Reuters | $89.51 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.
About Marsh & McLennan Companies Inc
Marsh & McLennan Companies, Inc., a professional services company, provides advisory services and insurance solutions to clients in the areas of risk, strategy, and people worldwide. It operates through Risk and Insurance Services, and Consulting segments. The Risk and Insurance Services segment offers risk management services, such as risk advice, risk transfer, and risk control and mitigation s… Read more