Aon plc P/E Ratio 2007–2025
Aon plc reported 20.68 of price-to-earnings ratio for fiscal 2025. That was 27.5% lower than fiscal 2024. Compared with fiscal 2020, the change was -13.9%. This is a fiscal-year-end price divided by diluted EPS—not a live valuation—and is omitted when annual EPS is not positive.
| Fiscal year | P/E Ratio | Change (YoY) |
|---|---|---|
| FY 2025 | 20.68 | -27.5% |
| FY 2024 | 28.51 | +24.6% |
| FY 2023 | 22.87 | -5.2% |
| FY 2022 | 24.12 | -54.0% |
| FY 2021 | 52.45 | +118.3% |
| FY 2020 | 24.02 | -22.8% |
| FY 2019 | 31.13 | +4.2% |
| FY 2018 | 29.86 | +12.6% |
| FY 2017 | 26.53 | +33.4% |
| FY 2016 | 19.89 | +15.9% |
| FY 2015 | 17.17 | -6.0% |
| FY 2014 | 18.27 | -13.4% |
| FY 2013 | 21.10 | +29.1% |
| FY 2012 | 16.34 | +15.5% |
| FY 2011 | 14.15 | -15.0% |
| FY 2010 | 16.64 | +32.1% |
| FY 2009 | 12.60 | +59.1% |
| FY 2008 | 7.92 | -46.2% |
| FY 2007 | 14.71 | — |
Source: Aon plc SEC filings — fiscal-year-end price ÷ diluted EPS. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open AON 10-K filings at SEC EDGAR · Methodology · Download CSV.
How to read this history
Aon plc reported 20.68 of price-to-earnings ratio for fiscal 2025. That was 27.5% lower than fiscal 2024. Compared with fiscal 2020, the change was -13.9%. This is a fiscal-year-end price divided by diluted EPS—not a live valuation—and is omitted when annual EPS is not positive. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.
Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.
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What is Aon plc's price-to-earnings ratio?
Aon plc (AON) reported price-to-earnings ratio of 20.68 for fiscal year 2025, per its SEC filings.
How has Aon plc's price-to-earnings ratio changed over time?
Between fiscal 2007 and 2025, AON's price-to-earnings ratio grew at roughly 1.9% per year (compound annual rate), from 14.71 to 20.68.
Where does this data come from?
Figures are computed from Aon plc's official SEC filings (fiscal-year-end price ÷ diluted EPS), refreshed nightly. Not investment advice.
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