AON
Aon PLC
290.80$
-1.6%
vs. previous close
Closing price · As of: Sep 21, 2026
Statements
Ratios
Valuation ratios (P/E, P/S, EV/EBITDA and the other multiples) are based on the closing price at the end of each period, not on the current price. Margins and returns are shown in percent, multiples without a unit, per-share figures in the reporting currency, net debt in millions.
Tick rows to compare them in a chart (up to 4)
| Line item | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valuation | ||||||||||||||||||||||||||||||
| 20.9 | 33.4 | 17.7 | 29.9 | 19.2 | 65.6 | 11.7 | 12.1 | 14.7 | 16.7 | 16.8 | 17.8 | 9.4 | 14.9 | 19.4 | 16.3 | 18.6 | 23.8 | 20.3 | 18.9 | 21.6 | 28.5 | 31.7 | 32.7 | 25.0 | 54.2 | 24.7 | 23.3 | 28.8 | 20.7 | |
| 1.8 | 1.7 | 1.5 | 1.5 | 1.2 | 1.3 | 0.7 | 0.8 | 0.8 | 1.8 | 1.8 | 2.1 | 1.8 | 1.5 | 1.6 | 1.4 | 1.6 | 2.2 | 2.4 | 2.8 | 3.2 | 3.5 | 3.3 | 4.6 | 4.5 | 5.6 | 5.1 | 4.5 | 4.9 | 4.4 | |
| 2.5 | 2.8 | 2.5 | 2.7 | 2.2 | 2.2 | 1.2 | 1.7 | 1.6 | 2.3 | 2.3 | 2.5 | 2.6 | 2.1 | 1.7 | 2.0 | 2.4 | 3.2 | 4.3 | 4.2 | 5.4 | 7.5 | 8.5 | 14.5 | 13.7 | 58.7 | – | – | 11.9 | 8.0 | |
| 1.7 | 1.7 | 1.4 | 1.4 | 1.4 | 1.5 | 0.9 | 0.9 | 0.9 | 2.0 | 2.1 | 2.3 | 2.0 | 1.7 | 2.1 | 1.8 | 1.9 | 2.6 | 2.8 | 3.3 | 3.8 | 4.0 | 3.9 | 5.2 | 5.1 | 6.3 | 5.9 | 5.3 | 5.9 | 5.3 | |
| 0.9 | 0.9 | 7.3 | 9.3 | 1.3 | 0.7 | 0.7 | 6.1 | 6.4 | 13.6 | 13.8 | 12.5 | 12.3 | 9.9 | 11.6 | 9.1 | 9.9 | 12.7 | 12.9 | 15.5 | 17.9 | 21.6 | 18.1 | 20.8 | 17.5 | 29.9 | 19.4 | 18.6 | 18.7 | 16.9 | |
| 25.0 | – | 17.0 | 55.0 | 16.2 | 34.7 | 5.6 | 6.7 | 7.3 | 16.2 | 14.8 | 13.8 | 16.1 | 47.4 | 22.6 | 20.5 | 16.1 | 18.8 | 20.5 | 15.2 | 14.3 | 63.4 | 24.8 | 31.1 | 18.6 | 33.2 | 21.2 | 18.7 | 27.1 | 23.7 | |
| 4.0% | -10.1% | 5.9% | 1.8% | 6.2% | 2.9% | 17.7% | 14.8% | 13.7% | 6.2% | 6.8% | 7.3% | 6.2% | 2.1% | 4.4% | 4.9% | 6.2% | 5.3% | 4.9% | 6.6% | 7.0% | 1.6% | 4.0% | 3.2% | 5.4% | 3.0% | 4.7% | 5.3% | 3.7% | 4.2% | |
| Margins | ||||||||||||||||||||||||||||||
| 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 40.1% | 41.8% | 41.7% | 41.2% | 41.8% | 40.9% | 41.4% | 40.0% | 43.3% | 45.0% | 46.6% | 44.7% | 48.1% | 48.4% | 47.2% | 47.7% | |
| 12.5% | 10.6% | 15.7% | 10.5% | 13.6% | 7.1% | 12.3% | 12.3% | 10.0% | 10.6% | 11.6% | 15.8% | 12.5% | 13.4% | 14.6% | 14.1% | 13.9% | 14.1% | 16.3% | 16.7% | 19.2% | 10.7% | 14.3% | 19.7% | 25.1% | 17.1% | 29.4% | 28.3% | 24.4% | 25.3% | |
| 8.6% | 5.2% | 8.3% | 5.0% | 6.5% | 2.0% | 6.3% | 6.4% | 5.4% | 11.1% | 10.5% | 11.7% | 19.4% | 9.8% | 8.3% | 8.7% | 8.6% | 9.4% | 11.6% | 14.6% | 14.8% | 12.3% | 10.5% | 13.9% | 17.8% | 10.3% | 20.7% | 19.2% | 16.9% | 21.5% | |
| 7.2% | -17.6% | 8.7% | 2.7% | 7.7% | 3.7% | 13.0% | 11.5% | 10.9% | 11.4% | 11.9% | 15.2% | 11.4% | 3.1% | 7.1% | 6.9% | 10.0% | 11.9% | 11.5% | 18.1% | 22.4% | 5.5% | 13.4% | 14.6% | 23.9% | 16.8% | 24.2% | 23.8% | 17.9% | 18.7% | |
| Returns | ||||||||||||||||||||||||||||||
| 11.8% | 8.3% | 14.2% | 9.1% | 11.3% | 3.4% | 10.1% | 14.0% | 10.7% | 13.9% | 13.8% | 13.9% | 27.5% | 13.8% | 8.5% | 12.1% | 12.7% | 13.6% | 21.1% | 22.5% | 25.2% | 26.4% | 26.9% | 44.4% | 55.0% | 108.4% | – | – | 41.3% | 38.7% | |
| 2.4% | 1.6% | 2.7% | 1.7% | 2.1% | 0.7% | 1.8% | 2.3% | 1.9% | 2.6% | 3.0% | 3.5% | 6.3% | 3.3% | 2.4% | 3.3% | 3.3% | 3.7% | 4.7% | 5.1% | 5.2% | 4.7% | 4.3% | 5.2% | 6.1% | 3.9% | 7.9% | 7.6% | 5.4% | 7.3% | |
| Balance Sheet & Debt | ||||||||||||||||||||||||||||||
| -197 | -321 | -222 | -534 | 989 | 1,512 | 1,282 | 1,608 | 1,547 | 1,043 | 2,254 | 1,561 | 1,320 | 1,791 | 4,160 | 4,220 | 3,874 | 3,912 | 5,208 | 5,353 | 5,774 | 5,210 | 5,588 | 6,759 | 7,079 | 9,061 | 10,266 | 10,603 | 16,122 | 14,235 | |
| 0.0 | 0.0 | -0.2 | -0.5 | 0.1 | 0.1 | 0.1 | 1.1 | 1.0 | 1.1 | 2.2 | 1.2 | 1.1 | 1.4 | 2.7 | 1.9 | 1.7 | 1.6 | 2.0 | 2.6 | 2.9 | 2.8 | 2.4 | 2.5 | 2.2 | 3.5 | 2.7 | 2.8 | 3.3 | 2.7 | |
| 20.6% | 19.4% | 19.4% | 18.2% | 18.8% | 19.3% | 18.1% | 16.6% | 18.0% | 19.1% | 21.5% | 24.9% | 22.9% | 23.7% | 28.7% | 27.5% | 25.6% | 27.1% | 22.3% | 22.7% | 20.8% | 17.8% | 16.0% | 11.7% | 11.2% | 3.6% | -1.3% | -2.2% | 13.1% | 18.8% | |
| 0.1 | 0.2 | 0.1 | 0.1 | 0.5 | 0.5 | 0.4 | 0.5 | 0.4 | 0.3 | 0.5 | 0.3 | 0.4 | 0.4 | 0.5 | 0.6 | 0.5 | 0.5 | 0.8 | 0.9 | 1.1 | 1.3 | 1.5 | 2.2 | 2.2 | 8.3 | – | – | 2.7 | 1.6 | |
| Per Share | ||||||||||||||||||||||||||||||
| 1.32 | 1.17 | 2.09 | 1.34 | 1.79 | 0.54 | 1.62 | 1.98 | 1.62 | 2.15 | 2.10 | 2.67 | 4.86 | 2.57 | 2.37 | 2.87 | 2.99 | 3.53 | 4.66 | 4.88 | 5.16 | 4.70 | 4.59 | 6.37 | 8.45 | 5.55 | 12.14 | 12.51 | 12.49 | 17.07 | |
| 15.35 | 22.46 | 25.03 | 26.91 | 27.64 | 27.33 | 25.88 | 30.87 | 30.22 | 19.48 | 20.11 | 22.78 | 25.02 | 26.09 | 28.55 | 33.11 | 34.62 | 37.46 | 40.20 | 33.40 | 34.81 | 38.35 | 43.60 | 45.77 | 47.47 | 53.93 | 58.53 | 65.25 | 73.87 | 79.36 | |
| 11.19 | 14.15 | 14.71 | 14.66 | 15.82 | 15.90 | 15.99 | 14.15 | 15.16 | 15.53 | 15.25 | 19.26 | 17.66 | 18.66 | 27.86 | 23.82 | 23.47 | 25.98 | 22.13 | 21.72 | 20.47 | 17.83 | 17.08 | 14.33 | 15.37 | 5.12 | -2.01 | -3.62 | 30.26 | 44.10 | |
| 1.10 | -3.95 | 2.17 | 0.73 | 2.11 | 1.02 | 3.35 | 3.55 | 3.28 | 2.23 | 2.39 | 3.46 | 2.84 | 0.81 | 2.04 | 2.28 | 3.46 | 4.45 | 4.63 | 6.06 | 7.78 | 2.11 | 5.85 | 6.69 | 11.33 | 9.04 | 14.18 | 15.53 | 13.26 | 14.86 | |
Data as of: September 21, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.