Marsh & Mclennan Companies (MRSH) Operating Margin (2009 - 2026)
Marsh & Mclennan Companies' Operating Margin came in at 17.70% for Q3 2026, down 0.72 percentage points from 18.42% a year earlier and down 7.94 percentage points from the prior quarter.
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Analysis
Marsh & Mclennan Companies (MRSH) Operating Margin (2009 - 2026) Analysis & Trends
Over the trailing twelve months to Sep 30, 2026, Marsh & Mclennan Companies reported Operating Margin of 21.39%, down 1.84 percentage points year-over-year; for FY2025, it was 23.06%, down 0.72 percentage points from FY2024.
- Operating Margin carries a five-year change of +5.26 percentage points (FY2020 to FY2025).
- Going back by year, Operating Margin was 23.78% in FY2024 (+0.55 pp), 23.23% in FY2023 (+2.58 pp), 20.66% in FY2022 (-1.10 pp) and 21.76% in FY2021 (+3.96 pp).
- The Q3 2026 figure represents the lowest quarterly Operating Margin since Q4 2022.
- Year-over-year, Operating Margin has declined for eight consecutive quarters, with an average year-over-year change of -1.31 percentage points over the last eight quarters.
- The fastest year-over-year change in Operating Margin over five years came in Q4 2023 (a gain of 6.32 percentage points), and the weakest in Q4 2022 (a drop of 5.65 percentage points).
- Business Quant data shows MRSH's Operating Margin at 25.65% (Q2 2026), 23.09% (Q1 2026) and 18.48% (Q4 2025) in the three quarters before Q3 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Berkshire Hathaway | 1,262.51 Bn | -171.64 Bn | 56.71 Bn | -32.86% |
| 2 | Chubb | 144.77 Bn | 90.41 Bn | 8.67 Bn | 22.27% |
| 3 | Progressive | 137.14 Bn | 112.66 Bn | 8.29 Bn | 14.33% |
| 4 | Marsh & Mclennan Companies | 99.23 Bn | 91.39 Bn | - | 17.70% |
| 5 | Travelers Companies | 83.36 Bn | 60.84 Bn | 5.93 Bn | 20.04% |
| 6 | Manulife Financial | 74.78 Bn | -20.73 Bn | - | - |
| 7 | Arthur J. Gallagher | 73.26 Bn | 67.85 Bn | 3.33 Bn | 17.18% |
| 8 | Aon | 72.01 Bn | 51.21 Bn | - | 19.73% |
| 9 | Allstate | 67.32 Bn | 24.39 Bn | -9.85 Bn | -3.13% |
| 10 | Metlife | 64.77 Bn | -43.48 Bn | 9.05 Bn | 25.34% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 17.70% |
| Jun 30, 2026 | 25.65% |
| Mar 31, 2026 | 23.09% |
| Dec 31, 2025 | 18.48% |
| Sep 30, 2025 | 18.42% |
| Jun 30, 2025 | 26.23% |
| Mar 31, 2025 | 28.40% |
| Dec 31, 2024 | 18.82% |
| Sep 30, 2024 | 19.45% |
| Jun 30, 2024 | 26.39% |
| Mar 31, 2024 | 29.74% |
| Dec 31, 2023 | 19.86% |
| Sep 30, 2023 | 18.51% |
| Jun 30, 2023 | 24.80% |
| Mar 31, 2023 | 29.14% |
| Dec 31, 2022 | 13.54% |
| Sep 30, 2022 | 16.58% |
| Jun 30, 2022 | 25.36% |
| Mar 31, 2022 | 26.04% |
| Dec 31, 2021 | 19.19% |
API Access
Marsh & Mclennan Companies Operating Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=operating-margin&ticker=MRSH&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "MRSH", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=MRSH&period=max&api_key=YOUR_API_KEY");
const data = await res.json();