AON
Aon PLC
NYSE: AON · FINANCIAL SERVICES · INSURANCE BROKERS
$322.49
+0.25% today
Updated 2026-04-29
Market cap
$66.56B
P/E ratio
18.30
P/S ratio
3.87x
EPS (TTM)
$17.03
Dividend yield
0.90%
52W range
$304 – $378
Volume
1.3M
Aon PLC (AON) Financial statements
SEC filings — annual and quarterly data.
Profit margin
21.50%
Operating margin
31.40%
ROE
46.90%
ROA
5.89%
Debt/equity
—
Margin trends — annual
Gross margin Operating margin Profit margin
| Year | Revenue | Net income | Gross margin | Op. margin | Profit margin |
|---|---|---|---|---|---|
| 2006 | $6.88B | $720.00M | 100.00% | 11.55% | 10.46% |
| 2007 | $7.36B | $864.00M | 100.00% | 15.80% | 11.74% |
| 2008 | $7.53B | $1.46B | 100.00% | 12.49% | 19.42% |
| 2009 | $7.59B | $747.00M | 100.00% | 13.44% | 9.84% |
| 2010 | $8.51B | $706.00M | 40.12% | 14.61% | 8.29% |
| 2011 | $11.29B | $979.00M | 41.82% | 14.14% | 8.67% |
| 2012 | $11.51B | $993.00M | 41.73% | 13.86% | 8.62% |
| 2013 | $11.81B | $1.11B | 41.22% | 14.14% | 9.42% |
| 2014 | $12.04B | $1.40B | 41.77% | 16.32% | 11.60% |
| 2015 | $9.48B | $1.39B | 40.88% | 16.74% | 14.61% |
| 2016 | $9.41B | $1.40B | 41.40% | 19.25% | 14.84% |
| 2017 | $10.00B | $1.23B | 39.96% | 10.65% | 12.26% |
| 2018 | $10.77B | $1.13B | 43.33% | 14.34% | 10.53% |
| 2019 | $11.01B | $1.53B | 45.03% | 19.69% | 13.91% |
| 2020 | $11.07B | $1.97B | 46.64% | 25.13% | 17.79% |
| 2021 | $12.19B | $1.25B | 44.74% | 17.14% | 10.29% |
| 2022 | $12.48B | $2.59B | 48.10% | 29.40% | 20.75% |
| 2023 | $13.38B | $2.56B | 48.40% | 28.30% | 19.17% |
| 2024 | $15.70B | $2.65B | 47.24% | 24.43% | 16.91% |
| 2025 | $17.18B | $3.69B | 47.70% | 25.28% | 21.51% |