Aon plc (AON) Stock Analysis
Over the past 10 years, Aon (AON) earnings per share (EPS) grew 13.3% a year, revenue grew 6.1% a year and free cash flow grew 6.5% a year, with an average return on invested capital (ROIC) of 13.2%. AON stock trades at $289.74, a P/E of 16.7, below its historical average of 29.7. Analysts' average 12-month price target is $361.30 (+24.7%).
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.
Exhibit A Growth Dossier
| Metric | 10yr | 5yr | 1yr | Grade |
|---|---|---|---|---|
| Book Value/Share GrowthBV/S | 7.2% | 23.6% | 24.7% | A- |
| EPS GrowthEPS | 13.3% | 15.1% | 6.6% | B+ |
| Revenue GrowthRevenue | 6.1% | 9.2% | 4.9% | C+ |
| Cash Flow GrowthCash Flow | 6.5% | 4.0% | 11.5% | C+ |
| ROICROIC | 13.2% | 15.8% | 12.2% | A- |
Exhibit B Valuation Ledger
- Current EPS
- $17.37
- Historical Avg P/E
- 29.7
- Future P/E (used for sticker price)
- Projected EPS (10yr)
- Sticker Price (10yr)
- Price for 15% Annual Return
- Expected Annual Return
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Not investment advice — a structured read of historical fundamentals, not a forecast or recommendation. Always do your own research.
Exhibit C Raw Data (last 10 years)
| Metric | Trend | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Book Value / ShareBV/S | $21.52 | $20.26 | $17.58 | $16.81 | $14.03 | $14.99 | $4.69 | -$2.48 | -$4.03 | $28.80 | $43.20 | $45.02 | |
| Basic EPSEPS | $4.93 | $5.21 | $4.74 | $4.62 | $6.42 | $8.49 | $5.59 | $12.23 | $12.60 | $12.55 | $17.13 | $17.37 | |
| RevenueRevenue | $9,480,000,000 | $9,409,000,000 | $9,998,000,000 | $10,770,000,000 | $11,013,000,000 | $11,066,000,000 | $12,193,000,000 | $12,479,000,000 | $13,376,000,000 | $15,698,000,000 | $17,181,000,000 | $17,577,000,000 | |
| Free Cash FlowCash Flow | $1,719,000,000 | $2,104,000,000 | $551,000,000 | $1,446,000,000 | $1,610,000,000 | $2,642,000,000 | $2,045,000,000 | $3,023,000,000 | $3,183,000,000 | $2,817,000,000 | $3,218,000,000 | $3,248,000,000 | |
| ROIC (%)ROIC | 9.5% | 11.2% | 5.0% | 10.2% | 12.4% | 14.8% | 9.9% | 22.7% | 22.9% | 11.2% | 12.2% | — |
The exact underlying data used to compute the growth rates and grades above. The highlighted TTM column is the trailing twelve months through the most recently reported quarter.
Ticker INVESTigator Price Target
Analyst Data
Price Target
Where the stock trades today vs. the range of 12-month price targets from covering analysts.
38 firms rate it — 18 buy, 19 hold, 1 sell · Most recent Oct 2026
AON Stock FAQ
What is AON's stock price target?
The average 12-month analyst price target for AON is $361.30, with a range of $317.00 to $423.00. That is +24.7% from the current price of $289.74.
Do analysts rate AON a buy?
Opinion is mixed. Of 38 firms covering Aon, the ratings are 18 buy or strong buy, 19 hold and 1 sell or strong sell.
How fast is Aon growing?
Annual growth rates for AON. EPS: 13.3% over 10 years, 15.1% over 5 years, 6.6% over 1 year. Revenue: 6.1% over 10 years, 9.2% over 5 years, 4.9% over 1 year. Free cash flow: 6.5% over 10 years, 4.0% over 5 years, 11.5% over 1 year. Book value per share: 7.2% over 10 years, 23.6% over 5 years, 24.7% over 1 year.
What is AON's ROIC?
Aon's return on invested capital (ROIC) was 12.2% in fiscal 2025. Its 10-year average ROIC is 13.2%. ROIC above 10% is generally a sign of a business with a durable competitive advantage.
What is AON's P/E ratio?
AON's current P/E ratio is 16.7, compared with a historical average of 29.7. Trailing earnings per share are $17.37.
What is Aon's market cap and stock price?
AON last traded at $289.74 as of October 19, 2026. Its 52-week range is $266.33 to $382.34. Aon has a market cap of $61.46B.
Exhibit D Related Coverage
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Data as of October 19, 2026. Findings are derived from historical fundamentals — not a forecast, not advice. Cross-examine before you invest.
Grades are produced by Ticker INVESTigator's own model from public financial data and are for informational and educational purposes only. They are not investment advice or a recommendation to buy or sell any security. Do your own research.