Aon plc (AON)
NYSE: AON · Real-Time Price · USD
321.52
-33.88 (-9.53%)
At close: Aug 31, 2026, 4:00 PM EDT
324.73
+3.21 (1.00%)
Pre-market: Sep 1, 2026, 7:59 AM EDT
Aon plc Ratios and Metrics
Market cap in millions USD. Fiscal year is January - December.
Millions USD. Fiscal year is Jan - Dec.
Total Valuation
Fiscal Year | Current | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 |
|---|---|---|---|---|---|---|
Period Ending | Aug '26 Aug 31, 2026 | Dec '25 Dec 31, 2025 | Dec '24 Dec 31, 2024 | Dec '23 Dec 31, 2023 | Dec '22 Dec 31, 2022 | Dec '21 Dec 31, 2021 |
| 68,203 | 75,846 | 77,674 | 58,267 | 62,085 | 66,223 | |
Market Cap Growth | -13.81% | -2.35% | 33.31% | -6.15% | -6.25% | 38.59% |
Enterprise Value | 82,980 | 92,558 | 94,806 | 69,586 | 73,106 | 75,041 |
Last Close Price | 321.52 | 350.40 | 353.72 | 284.23 | 290.93 | 289.16 |
Price Ratios
Fiscal Year | Current | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 |
|---|---|---|---|---|---|---|
Period Ending | Aug '26 Aug 31, 2026 | Dec '25 Dec 31, 2025 | Dec '24 Dec 31, 2024 | Dec '23 Dec 31, 2023 | Dec '22 Dec 31, 2022 | Dec '21 Dec 31, 2021 |
PE Ratio | 17.71 | 20.53 | 29.27 | 22.73 | 23.98 | 52.77 |
Forward PE | 16.04 | 19.18 | 21.39 | 18.46 | 21.24 | 23.52 |
PS Ratio | 3.88 | 4.42 | 4.95 | 4.36 | 4.97 | 5.43 |
PB Ratio | 7.10 | 7.94 | 12.08 | -78.53 | -144.72 | 57.19 |
P/FCF Ratio | 21.00 | 23.57 | 27.57 | 18.31 | 20.54 | 32.38 |
P/OCF Ratio | 19.32 | 21.79 | 25.59 | 16.96 | 19.29 | 30.35 |
PEG Ratio | - | 1.85 | 1.92 | 1.82 | 1.86 | 1.57 |
EV Ratios
Fiscal Year | Current | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 |
|---|---|---|---|---|---|---|
Period Ending | Aug '26 Aug 31, 2026 | Dec '25 Dec 31, 2025 | Dec '24 Dec 31, 2024 | Dec '23 Dec 31, 2023 | Dec '22 Dec 31, 2022 | Dec '21 Dec 31, 2021 |
EV/Sales Ratio | 4.72 | 5.39 | 6.04 | 5.20 | 5.86 | 6.15 |
EV/EBITDA Ratio | 14.06 | 16.34 | 18.65 | 17.06 | 19.18 | 30.79 |
EV/EBIT Ratio | 16.58 | 19.70 | 21.61 | 18.21 | 20.61 | 35.55 |
EV/FCF Ratio | 25.55 | 28.76 | 33.66 | 21.86 | 24.18 | 36.70 |
Financial Efficiency
Fiscal Year | Current | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 |
|---|---|---|---|---|---|---|
Period Ending | Aug '26 Aug 31, 2026 | Dec '25 Dec 31, 2025 | Dec '24 Dec 31, 2024 | Dec '23 Dec 31, 2023 | Dec '22 Dec 31, 2022 | Dec '21 Dec 31, 2021 |
Debt / Equity Ratio | 1.64 | 1.68 | 2.78 | -16.22 | -27.22 | 9.00 |
Debt / EBITDA Ratio | 2.55 | 2.68 | 3.31 | 2.75 | 2.85 | 3.77 |
Debt / FCF Ratio | 4.89 | 4.99 | 6.35 | 3.78 | 3.86 | 5.10 |
Net Debt / Equity Ratio | 1.52 | 1.41 | 2.60 | -14.83 | -24.82 | 8.42 |
Net Debt / EBITDA Ratio | 2.51 | 2.38 | 3.29 | 2.70 | 2.79 | 4.00 |
Net Debt / FCF Ratio | 4.55 | 4.18 | 5.93 | 3.46 | 3.52 | 4.77 |
Asset Turnover | 0.33 | 0.34 | 0.38 | 0.40 | 0.39 | 0.38 |
Quick Ratio | 0.24 | 0.30 | 0.22 | 0.20 | 0.20 | 0.20 |
Current Ratio | 1.03 | 1.11 | 1.02 | 1.00 | 1.02 | 1.00 |
Return on Equity (ROE) | 44.70% | 46.94% | 95.64% | - | 725.93% | 55.18% |
Return on Assets (ROA) | 5.83% | 5.89% | 6.61% | 7.17% | 6.86% | 4.12% |
Return on Invested Capital (ROIC) | 16.09% | 16.05% | 19.45% | 25.66% | 25.53% | 12.81% |
Return on Capital Employed (ROCE) | 19.20% | 17.00% | 16.90% | 31.10% | 28.60% | 16.40% |
Yields
Fiscal Year | Current | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 |
|---|---|---|---|---|---|---|
Period Ending | Aug '26 Aug 31, 2026 | Dec '25 Dec 31, 2025 | Dec '24 Dec 31, 2024 | Dec '23 Dec 31, 2023 | Dec '22 Dec 31, 2022 | Dec '21 Dec 31, 2021 |
Earnings Yield | 5.74% | 4.87% | 3.42% | 4.40% | 4.17% | 1.90% |
FCF Yield | 4.76% | 4.24% | 3.63% | 5.46% | 4.87% | 3.09% |
Dividend Yield | 1.02% | 0.83% | 0.75% | 0.85% | 0.75% | 0.69% |
Payout Ratio | 18.07% | 17.02% | 21.18% | 19.07% | 17.88% | 35.62% |
Buyback Yield / Dilution | 1.08% | -2.17% | -3.66% | 3.85% | 5.71% | 3.00% |
Total Shareholder Return | 2.10% | -1.33% | -2.91% | 4.69% | 6.46% | 3.69% |