Aon plc (AON)
Aon plc operates as a professional services firm in the United States, rest of the Americas, the United Kingdom, Ireland, rest of Europe, the Middle East, Africa, and the Asia Pacific. It operates through Risk Capital and Human Capital segments. The company offers commercial risk solutions comprising retail and insurance brokerage, specialty solutions, global risk consulting, captives management, and affinity programs; health solutions, such as consulting and brokerage, consumer benefits, and talent advisory services; and wealth solutions, including retirement consulting and investments. It also provides treaty and facultative reinsurance; strategy and technology group solutions; insurance-linked securities, capital raising, strategic advice, restructuring, and merger and acquisition services; and risk management products and solutions, capital market solutions, and corporate finance advisory services. In addition, the company offers strategic design advice and actuarial services; pension risk transfer and integrated pension administration; and investment advisory services on developing and maintaining investment programs across various plan types, including defined benefit plans, defined contribution plans, master trusts, and pooled employer plans for corporations, public pensions, endowments, and foundations. Aon plc was incorporated in 1979 and is headquartered in Dublin, Ireland.
- Symbol
- AON
- Exchange
- NYSE
- Sector
- Financial Services
- Industry
- Insurance Brokers
- Market cap
- $57.45B
- 52 week range
- 268.9 - 382.34
Valuation
- Share price
- $269.45 (close of 2026-10-02)
- P/E (TTM)
- 14.80x
- Price to book
- 5.93x
- Price to free cash flow
- 17.69x
- Enterprise value
- $72.05B
- Book value per share
- $45.43
Price performance
| Period | Change |
|---|---|
| 1 day | -2.36% |
| 5 days | -3.07% |
| 1 month | -18.57% |
| 3 months | -24.62% |
| 6 months | -16.62% |
| Year to date | -23.64% |
| 1 year | -25.30% |
| 3 years | -16.15% |
| 5 years | -7.43% |
| 10 years | +139.53% |
| All time | +9916.73% |
Members of Congress who disclosed AON trades
Jefferson Shreve · Alan Armstrong · Thomas Kean
Super investors holding AON
Dodge & Cox (Dodge & Cox Funds) · Andreas Halvorsen (Viking Global Investors) · Seth Klarman (Baupost Group) · First Pacific Advisors (First Pacific Advisors, LP) · Wallace Weitz (Weitz Investment Management) · Polen Capital Mgmt (Polen Capital Management LLC) · Ken Griffin (Citadel) · Ray Dalio (Bridgewater Associates) · Yacktman Asset Mgmt (Yacktman Asset Management LP) · David Katz (Matrix Asset Advisors Inc)
Profitability and growth
- Return on equity
- 39.06%
- Return on invested capital
- 14.67%
- Return on assets
- 7.28%
- Return on capital employed
- 15.76%
- Gross margin
- 25.28%
- Net margin
- 21.51%
- EBITDA margin
- 26.38%
- Revenue growth
- 9.45%
- Net income growth
- 39.22%
- Free cash flow growth
- 14.24%
Cash flow and balance sheet
- Free cash flow yield (TTM)
- 5.65%
- Current ratio
- 1.03x
- Net debt to EBITDA
- 2.17x
Latest reported year
- Period end
- 2025-12-31
- Fiscal year
- 2025
- Revenue
- $17.18B
- Cost of revenue
- $12.84B
- Gross profit
- $4.34B
- EBITDA
- $4.53B
- Net income
- $3.69B
- Earnings per share
- $17.11
- Shares outstanding
- 215.90M
Income statement by year
| Period end | Revenue | Gross profit | Net income | EPS |
|---|---|---|---|---|
| 2025-12-31 | $17.18B | $4.34B | $3.69B | $17.11 |
| 2024-12-31 | $15.70B | $3.83B | $2.65B | $12.55 |
| 2023-12-31 | $13.38B | $3.79B | $2.56B | $12.60 |
| 2022-12-31 | $12.48B | $3.67B | $2.59B | $12.23 |
| 2021-12-31 | $12.19B | $2.09B | $1.25B | $5.59 |
| 2020-12-31 | $11.07B | $2.78B | $1.97B | $8.49 |
| 2019-12-31 | $11.01B | $2.17B | $1.53B | $6.42 |
| 2018-12-31 | $10.77B | $1.54B | $1.17B | $4.62 |
| 2017-12-31 | $10.00B | $1.06B | $1.26B | $4.74 |
| 2016-12-31 | $9.41B | $1.81B | $1.43B | $5.21 |
Margins and returns by year
| Period end | Gross margin | Net margin | Return on equity | Return on capital |
|---|---|---|---|---|
| 2025-12-31 | 25.28% | 21.51% | 39.06% | 14.67% |
| 2024-12-31 | 24.43% | 16.91% | 42.09% | 13.51% |
| 2023-12-31 | 28.30% | 19.17% | -345.55% | 31.98% |
| 2022-12-31 | 29.40% | 20.75% | -603.50% | 31.26% |
| 2021-12-31 | 17.14% | 10.29% | 108.38% | 13.65% |
| 2020-12-31 | 25.13% | 17.79% | 54.95% | 20.62% |
| 2019-12-31 | 19.69% | 13.91% | 44.50% | 16.89% |
| 2018-12-31 | 14.34% | 10.90% | 27.83% | 14.51% |
| 2017-12-31 | 10.65% | 12.63% | 27.17% | 8.74% |
| 2016-12-31 | 19.25% | 15.20% | 25.62% | 15.02% |
Cash and debt by year
| Period end | Cash | Debt |
|---|---|---|
| 2025-12-31 | $2.80B | $14.66B |
| 2024-12-31 | $1.30B | $16.27B |
| 2023-12-31 | $1.15B | $9.99B |
| 2022-12-31 | $1.14B | $9.82B |
| 2021-12-31 | $836.00M | $8.23B |
| 2020-12-31 | $1.19B | $7.28B |
| 2019-12-31 | $928.00M | $6.63B |
| 2018-12-31 | $828.00M | $5.99B |
| 2017-12-31 | $1.28B | $5.67B |
| 2016-12-31 | $716.00M | $5.87B |
Free cash flow by year
| Period end | Free cash flow | Stock-based compensation |
|---|---|---|
| 2025-12-31 | $3.22B | $432.00M |
| 2024-12-31 | $2.82B | $474.00M |
| 2023-12-31 | $3.18B | $438.00M |
| 2022-12-31 | $3.02B | $397.00M |
| 2021-12-31 | $2.04B | $449.00M |
| 2020-12-31 | $2.64B | $312.00M |
| 2019-12-31 | $1.61B | $317.00M |
| 2018-12-31 | $1.45B | $338.00M |
| 2017-12-31 | $551.00M | $319.00M |
| 2016-12-31 | $2.17B | $306.00M |
Dividend history
- Most recent payment
- 2026-08-03
- Paid in the last twelve months
- $1.64
| Payment date | Dividend per share |
|---|---|
| 2026-08-03 | $0.82 |
| 2026-05-01 | $0.82 |
| 2025-08-01 | $0.74 |
| 2025-05-01 | $0.74 |
| 2025-02-03 | $0.68 |
| 2024-11-01 | $0.68 |
| 2024-08-01 | $0.68 |
| 2024-04-30 | $0.68 |
Investor relations
Next earnings report
- Next confirmed report
- 2026-10-30
- Consensus EPS estimate
- $3.35
Past earnings dates
| Reported | Fiscal period | EPS estimate |
|---|---|---|
| 2026-07-29 | Jun/2026 | $3.77 |
| 2026-05-01 | Mar/2026 | $6.33 |
| 2026-01-30 | Dec/2025 | $4.76 |
| 2025-10-31 | Sep/2025 | $2.89 |
| 2025-07-25 | Jun/2025 | $3.40 |
| 2025-07-24 | - | - |
| 2025-04-25 | Mar/2025 | $6.04 |
| 2025-04-24 | - | - |
Filings and sources
- Company website
- aon.com
- SEC filings
- 10-K, 10-Q and 8-K on EDGAR
- Earnings calendar
- All upcoming reports
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Price-to-earnings ratio · Discounted cash flow · Free cash flow · Earnings per share · Return on equity · Gross margin vs net margin · Reading a balance sheet · Debt and leverage · Dividend yield · Insider transactions and Form 4 · How to read a stock chart
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