Aon plc (AON) Operating Margin
- Operating margin · 12 months: Value 26.48%; Formula and calculation Operating income / revenue. Period ending 2026-06-30..
Operating margin
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| Operating margin · 12 months | 26.48% | Operating income / revenue. Period ending 2026-06-30. $4.65B ÷ $17.58B × 100 ≈ 26.48% |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Operating income | 4.65B USD | Operating Income (Loss) |
| Revenue | 17.58B USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Cost of products and services | (m) | |
| Research and development | (m) | |
| Selling, general and administration | (m) |
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Operating income (USD) | Revenue (USD) | Cost of products and services (USD) | Research and development (USD) | Selling, general and administration (USD) | Operating margin |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4.65B | $17.58B | (m) | (m) | (m) | 26.48% |
| 2026-03-31 | $4.60B | $17.49B | (m) | (m) | (m) | 26.30% |
| 2025-12-31 | $4.34B | $17.18B | (m) | (m) | (m) | 25.28% |
| 2025-09-30 | $4.23B | $17.03B | (m) | (m) | (m) | 24.82% |
| 2025-06-30 | $4.03B | $16.75B | (m) | (m) | (m) | 24.08% |
| 2025-03-31 | $3.83B | $16.36B | (m) | (m) | (m) | 23.42% |
| 2024-12-31 | $3.83B | $15.70B | (m) | (m) | (m) | 24.43% |
| 2024-09-30 | $3.52B | $14.93B | (m) | (m) | (m) | 23.60% |
| 2024-06-30 | $3.59B | $14.16B | (m) | (m) | (m) | 25.36% |
| 2024-03-31 | $3.78B | $13.57B | (m) | (m) | (m) | 27.82% |
| 2023-12-31 | $3.79B | $13.38B | (m) | (m) | (m) | 28.30% |
| 2023-09-30 | $4.02B | $13.13B | (m) | (m) | (m) | 30.60% |
| 2023-06-30 | $3.92B | $12.87B | (m) | (m) | (m) | 30.43% |
| 2023-03-31 | $3.77B | $12.68B | (m) | (m) | (m) | 29.77% |
| 2022-12-31 | $3.67B | $12.48B | (m) | (m) | (m) | 29.40% |
| 2022-09-30 | $3.63B | $12.43B | (m) | (m) | (m) | 29.21% |
| 2022-06-30 | $2.24B | $12.44B | (m) | (m) | (m) | 18.01% |
| 2022-03-31 | $2.21B | $12.34B | (m) | (m) | (m) | 17.93% |
| 2021-12-31 | $2.09B | $12.19B | (m) | (m) | (m) | 17.14% |
| 2021-09-30 | $1.83B | $12.08B | (m) | (m) | (m) | 15.14% |
| 2021-06-30 | $3.07B | $11.76B | (m) | (m) | (m) | 26.11% |
| 2021-03-31 | $2.99B | $11.37B | (m) | (m) | (m) | 26.32% |
| 2020-12-31 | $2.78B | $11.07B | (m) | (m) | (m) | 25.13% |
| 2020-09-30 | $2.59B | $10.99B | (m) | (m) | (m) | 23.59% |
| 2020-06-30 | $2.51B | $10.98B | (m) | (m) | (m) | 22.87% |
| 2020-03-31 | $2.33B | $11.09B | (m) | (m) | (m) | 21.01% |
| 2019-12-31 | $2.17B | $11.01B | (m) | (m) | (m) | 19.69% |
| 2019-09-30 | $2.14B | $10.90B | (m) | (m) | (m) | 19.67% |
| 2019-06-30 | $2.05B | $10.87B | (m) | (m) | (m) | 18.83% |
| 2019-03-31 | $1.62B | $10.82B | (m) | (m) | (m) | 14.94% |
| 2018-12-31 | $1.54B | $10.77B | (m) | (m) | (m) | 14.34% |
| 2018-09-30 | $1.56B | $10.91B | (m) | (m) | (m) | 14.30% |
| 2018-06-30 | $1.55B | $10.90B | (m) | (m) | (m) | 14.26% |
| 2018-03-31 | $1.44B | $10.71B | (m) | (m) | (m) | 13.48% |
| 2017-12-31 | $979.00M | $10.00B | (m) | (m) | (m) | 9.79% |
| 2017-09-30 | $1.22B | $11.96B | (m) | (m) | (m) | 10.21% |
| 2017-06-30 | $1.32B | $11.82B | (m) | (m) | (m) | 11.20% |
| 2017-03-31 | $1.83B | $11.73B | (m) | (m) | (m) | 15.59% |
| 2016-12-31 | $1.91B | $11.63B | (m) | (m) | (m) | 16.39% |
| 2016-09-30 | $1.99B | $11.59B | (m) | (m) | (m) | 17.20% |
| 2016-06-30 | $1.99B | $11.59B | (m) | (m) | (m) | 17.13% |
| 2016-03-31 | $1.86B | $11.63B | (m) | (m) | (m) | 15.97% |
| 2015-12-31 | $1.85B | $11.68B | (m) | (m) | (m) | 15.82% |
| 2015-09-30 | $1.77B | $11.69B | (m) | (m) | (m) | 15.10% |
| 2015-06-30 | $1.77B | $11.83B | (m) | (m) | (m) | 14.96% |
| 2015-03-31 | $1.94B | $11.95B | (m) | (m) | (m) | 16.22% |
| 2014-12-31 | $1.97B | $12.04B | (m) | (m) | (m) | 16.32% |
| 2014-09-30 | $1.85B | $11.96B | (m) | (m) | (m) | 15.44% |
| 2014-06-30 | $1.79B | $11.87B | (m) | (m) | (m) | 15.11% |
| 2014-03-31 | $1.73B | $11.85B | (m) | (m) | (m) | 14.60% |
| 2013-12-31 | $1.67B | $11.81B | (m) | (m) | (m) | 14.14% |
| 2013-09-30 | $1.62B | $11.72B | (m) | (m) | (m) | 13.80% |
| 2013-06-30 | $1.59B | $11.66B | (m) | (m) | (m) | 13.65% |
| 2013-03-31 | $1.60B | $11.59B | (m) | (m) | (m) | 13.84% |
| 2012-12-31 | $1.60B | $11.51B | (m) | (m) | (m) | 13.86% |
| 2012-09-30 | $1.57B | $11.39B | (m) | (m) | (m) | 13.82% |
| 2012-06-30 | $1.56B | $11.38B | (m) | (m) | (m) | 13.74% |
| 2012-03-31 | $1.61B | $11.37B | (m) | (m) | (m) | 14.16% |
| 2011-12-31 | $1.61B | $11.29B | (m) | (m) | (m) | 14.23% |
| 2011-09-30 | $1.59B | $11.20B | (m) | (m) | (m) | 14.22% |
| 2011-06-30 | $1.51B | $10.28B | (m) | (m) | (m) | 14.74% |
| 2011-03-31 | $1.35B | $9.37B | (m) | (m) | (m) | 14.40% |
| 2010-12-31 | $1.23B | $8.51B | (m) | (m) | (m) | 14.40% |
| 2010-09-30 | $1.04B | $7.68B | (m) | (m) | (m) | 13.61% |
| 2010-06-30 | $976.00M | $7.67B | (m) | (m) | (m) | 12.73% |
| 2010-03-31 | $928.00M | $7.65B | (m) | (m) | (m) | 12.13% |
| 2009-12-31 | $1.02B | $7.59B | (m) | (m) | (m) | 13.44% |
| 2009-09-30 | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-06-30 | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-03-31 | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-12-31 | $940.00M | $7.53B | (m) | (m) | (m) | 12.49% |
| 2008-09-30 | (m) | (m) | (m) | (m) | (m) | (m) |
| 2008-06-30 | (m) | (m) | (m) | (m) | (m) | (m) |
| 2007-12-31 | $1.00B | $7.23B | (m) | (m) | (m) | 13.87% |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
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