Aon plc
AON Financial Insurance Brokers
Aon plc’s revenue for fiscal 2025 (year ended December 2025) was $17.2 billion, up 9.45% from fiscal 2024. In the quarter to June 2026, revenue grew 2.19%, EPS fell 3.73%, free cash flow fell 34.0% and total debt fell 13.4%, each against the same quarter a year earlier. Member of the S&P 500; dividend growth for ten consecutive years, revenue growth for five; insiders bought in the last twelve months.
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Aon plc (AON) P/B ratio
As of 16 October 2026, Aon plc (AON) trades at a P/B ratio of 6.4×. Over the past ten years it has ranged from 0.0× (June 2024) to 1,216× (June 2023); the current reading is higher than 33% of that period. That is above the Insurance Brokers industry median of 2.9× and above the Financial sector median of 1.2×.
P/B ratio, daily
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Annual newest first
| Period | P/B ratio | Change |
|---|---|---|
| FY2025 | 8.1× | (33.12%) |
| FY2024 | 12.0× | — |
| FY2023 | 0.0× | — |
| FY2022 | 0.0× | — |
| FY2021 | 58.3× | 326.51% |
| FY2020 | 13.7× | (5.10%) |
| FY2019 | 14.4× | 70.57% |
| FY2018 | 8.4× | 15.52% |
| FY2017 | 7.3× | 34.63% |
| FY2016 | 5.4× | 27.11% |
Quarterly newest first
| Period | P/B ratio | Change |
|---|---|---|
| Jun 2026 | 7.3× | 5.10% |
| Mar 2026 | 6.9× | (13.76%) |
| Dec 2025 | 8.1× | (15.03%) |
| Sep 2025 | 9.5× | (1.58%) |
| 42 more quarters | Free account |
Against its own ten years
P/B ratio against peers
| Company | P/B ratio |
|---|---|
| BRO Brown & Brown, Inc. compare | 1.8× |
| BWIN Baldwin Insurance Group, Inc. compare | 2.1× |
| AJG Arthur J. Gallagher & Co. compare | 2.7× |
| WTW Willis Towers Watson Public Limited Company compare | 3.8× |
| ERIE Erie Indemnity Company compare | 4.6× |
| ARX Accelerant Holdings compare | 5.8× |
| MRSH Marsh compare | 5.8× |
| AON Aon plc | 6.4× |
| CRVL CorVel Corp. compare | 9.9× |
| Insurance Brokers industry median | 2.9× |
| Financial sector median | 1.2× |
| Market median | 1.7× |
What P/B ratio is
Price to Book Value tells an investor how much the market pays for a company’s shares relative to the accounting net worth that belongs to common shareholders.
Stock Price ÷ (Common Equity (Total) (latest quarter) ÷ Shares (Basic, Weighted) (latest quarter))
More on AON
- Revenue
- Net income
- EPS (diluted)
- EBITDA
- Free cash flow
- Operating cash flow
- Gross margin
- Operating margin
- Net margin
- Free cash flow margin
- P/E ratio
- P/S ratio
- Price to free cash flow
- Return on equity
- Return on assets
- Return on invested capital
- Debt to equity
- Current ratio
- Total debt
- Shares outstanding
- Book value per share
- Revenue growth
- Piotroski F-score
- The full statement