AJG vs AON
Arthur J. Gallagher & Co. and Aon PLC, side by side — 10 fiscal years reported in USD, drawn from SEC filings.
At a glance
Most recent reported year
| Metric | AJG | AON |
|---|---|---|
| Revenue | $13.9B | $17.2B |
| Net income | $1.5B | $3.7B |
| Gross margin | 99.7% | — |
| Net margin | 10.7% | 21.5% |
| Return on equity | 6.9% | 47.8% |
| Diluted EPS | $5.74 | $17.02 |
| Dividend / share | $2.60 | $2.91 |
| Payout ratio | 44.6% | 17.0% |
| Free cash flow | $431.8M | $3.2B |
| Equity | $23.3B | $9.4B |
| Net debt / equity | 0.49× | 1.50× |
| Current ratio | 1.06× | 1.11× |
| Revenue CAGR 5y | 14.8% | 9.2% |
| Profit CAGR 5y | 12.8% | 13.4% |
AON bills 1.2× the revenue of AJG, and keeps more of each dollar of revenue as profit (21.5% against 10.7%).
The stronger figure of the pair is set in bold. That is arithmetic, not a recommendation — this page does not pick a winner.
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Revenue by year
10 years side by side
| Fiscal year | AJG | AON |
|---|---|---|
| FY2025 | $13.9B | $17.2B |
| FY2024 | $11.6B | $15.7B |
| FY2023 | $10.1B | $13.4B |
| FY2022 | $8.6B | $12.5B |
| FY2021 | $8.2B | $12.2B |
| FY2020 | $7.0B | $11.1B |
| FY2019 | $7.2B | $11.0B |
| FY2018 | $6.9B | $10.8B |
| FY2017 | $6.2B | $10.0B |
| FY2016 | $5.7B | $9.4B |
Net income by year
Bottom line
| Fiscal year | AJG | AON |
|---|---|---|
| FY2025 | $1.5B | $3.7B |
| FY2024 | $1.5B | $2.7B |
| FY2023 | $970.0M | $2.6B |
| FY2022 | $1.1B | $2.6B |
| FY2021 | $906.8M | $1.3B |
| FY2020 | $818.8M | $2.0B |
| FY2019 | $668.8M | $1.5B |
| FY2018 | $633.5M | $1.2B |
| FY2017 | $481.3M | $1.3B |
| FY2016 | $396.8M | $1.4B |
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