Last 48 quarters of trend data · Financial Services · Insurance - Brokers
Quarterly valuation ratios — annualised for comparability. YoY Δ shows same-quarter-prior-year change.
Aon plc's quarterly P/E stands at 14.3x, down 36.4% year-over-year — suggesting improving earnings relative to price. EV/EBITDA has compressed 20.4% YoY to 12.2x, reflecting multiple compression or accelerating EBITDA.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P/E Ratio → | 18.42 | 14.33 | 11.28 | 42.25 | 33.53 | 22.52 | 27.38 | 55.09 | 29.84 | 15.59 | 29.46 | 36.35 | 31.85 |
| — | -36.4% | -58.8% | -23.3% | +12.4% | +44.4% | -7.1% | +51.6% | -6.3% | +0.3% | +23.3% | +4.2% | +10.1% | |
| P/S Ratio | 3.91 | 3.45 | 4.44 | 4.83 | 4.66 | 4.60 | 4.73 | 5.08 | 4.16 | 4.10 | 4.35 | 5.62 | 5.60 |
| — | -24.9% | -6.0% | -4.8% | +12.0% | +12.1% | +8.5% | -9.6% | -25.7% | -2.7% | -13.2% | +6.3% | +15.5% | |
| P/B Ratio | 7.11 | 6.98 | 8.00 | 9.52 | 9.58 | 11.96 | 12.19 | 11.53 | 10.17 | — | — | — | 439.60 |
| — | -41.6% | -34.4% | -17.4% | -5.8% | — | — | — | -97.7% | — | — | — | +498.3% | |
| P/FCF | 20.88 | 47.88 | 14.44 | 17.90 | 26.48 | 258.81 | 17.12 | 19.86 | 34.03 | 63.96 | 12.13 | 16.84 | 28.76 |
| — | -81.5% | -15.7% | -9.9% | -22.2% | +304.6% | +41.2% | +18.0% | +18.3% | +43.8% | -25.0% | +16.8% | +23.8% | |
| EV / EBITDA | 15.54 | 12.19 | 14.61 | 22.21 | 21.39 | 15.31 | 17.99 | 27.45 | 24.18 | 13.62 | 20.70 | 25.77 | 22.76 |
| — | -20.4% | -18.8% | -19.1% | -11.5% | +12.4% | -13.1% | +6.5% | +6.2% | +9.5% | +20.5% | +0.2% | +1.7% | |
| EV / EBIT | 19.00 | — | 9.56 | 29.20 | 25.87 | 17.94 | 21.70 | 34.99 | 21.71 | 13.25 | 23.89 | 28.58 | 26.16 |
| — | — | -56.0% | -16.5% | +19.2% | +35.4% | -9.2% | +22.5% | -17.0% | +0.8% | +6.0% | +3.1% | +12.3% |
Quarterly margins and returns. Watch for margin compression across consecutive quarters.
Aon plc's operating margin was 34.1% in Q1 2026, up 3.0 pp QoQ and up 3.2 pp YoY. This marks the 3rd consecutive quarter of margin expansion, signaling a sustained improvement in operating efficiency. The trailing four-quarter average of 26.6% lags the current quarter, suggesting the recent improvement is above-trend.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 47.7% | 52.5% | 83.5% | 43.5% | 43.2% | 52.4% | 48.9% | 42.2% | 43.4% | 53.7% | 50.5% | 42.9% | 44.8% |
| — | +0.0% | +70.9% | +3.0% | -0.3% | -2.4% | -3.2% | -1.7% | -3.2% | +0.1% | -0.7% | -0.5% | -0.6% | |
| Operating Margin | 25.3% | 34.1% | 31.1% | 20.4% | 20.7% | 30.9% | 26.3% | 16.7% | 17.4% | 36.0% | 23.1% | 23.4% | 26.5% |
| — | +10.3% | +18.2% | +21.9% | +18.5% | -14.2% | +14.0% | -28.4% | -34.2% | -5.4% | -28.6% | +6.9% | +12.9% | |
| Net Margin | 21.5% | 24.1% | 39.4% | 11.5% | 13.9% | 20.4% | 17.3% | 9.2% | 13.9% | 26.3% | 14.8% | 15.4% | 17.6% |
| — | +18.0% | +128.0% | +24.3% | -0.0% | -22.5% | +17.0% | -40.3% | -20.9% | -3.0% | -29.7% | +2.0% | +5.0% |
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | 46.3% | 12.4% | 19.2% | 5.7% | 7.5% | 14.1% | 11.0% | 5.4% | 17.1% | — | — | — | 509.1% |
| — | -11.8% | +73.8% | +4.8% | -55.9% | — | — | — | -96.6% | — | — | — | +956.3% | |
| ROA | 7.4% | 2.4% | 3.3% | 0.9% | 1.1% | 1.9% | 1.4% | 0.7% | 1.1% | 2.9% | 1.5% | 1.3% | 1.6% |
| — | +22.0% | +128.2% | +28.1% | -2.3% | -32.2% | -2.4% | -48.7% | -28.7% | -8.6% | -27.8% | +6.6% | +8.4% | |
| ROIC | 13.5% | 5.3% | 4.0% | 2.5% | 2.6% | 4.6% | 3.5% | 2.0% | 2.5% | 8.2% | 5.5% | 4.7% | 5.6% |
| — | +15.2% | +16.0% | +24.3% | +4.6% | -44.4% | -36.4% | -57.7% | -56.0% | -19.4% | -24.5% | +14.6% | +24.3% |
Quarterly solvency trend — watch for debt spikes or covenant pressure.
Aon plc's Debt/EBITDA ratio is 8.9x, down from 10.5x last quarter — elevated, raising questions about debt serviceability. Debt/Equity has declined for 6 consecutive quarters, reflecting a deleveraging trend.
| Metric | TTM | Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | Q4 '24 | Q3 '24 | Q2 '24 | Q1 '24 | Q4 '23 | Q3 '23 | Q2 '23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 1.73 | 1.54 | 1.73 | 2.17 | 2.25 | 2.54 | 2.78 | 2.78 | 3.01 | — | — | — | 75.34 |
| — | -39.6% | -37.8% | -21.8% | -25.3% | — | — | — | -96.0% | — | — | — | +423.9% | |
| Debt / EBITDA | 3.11 | 8.92 | 10.53 | 16.69 | 16.42 | 10.85 | 13.52 | 21.56 | 22.34 | 11.36 | 14.22 | 16.05 | 13.47 |
| — | -17.8% | -22.1% | -22.6% | -26.5% | -4.5% | -4.9% | +34.3% | +65.8% | +42.5% | +30.8% | -9.4% | -9.1% | |
| Current Ratio | 1.11 | 1.07 | 1.11 | 1.06 | 1.03 | 1.05 | 1.02 | 1.07 | 1.09 | 1.31 | 1.00 | 1.02 | 1.04 |
| — | +1.9% | +8.9% | -1.1% | -5.5% | -20.2% | +1.7% | +5.0% | +4.2% | +21.9% | -1.8% | -0.6% | -0.8% | |
| Quick Ratio | 1.11 | 1.07 | 1.11 | 1.06 | 1.03 | 1.05 | 1.02 | 1.07 | 1.09 | 1.31 | 1.00 | 1.02 | 1.04 |
| — | +1.9% | +8.9% | -1.1% | -5.5% | -20.2% | +1.7% | +5.0% | +4.2% | +21.9% | -1.8% | -0.6% | -0.8% | |
| Interest Coverage | 5.38 | 9.58 | 12.57 | 3.90 | 4.32 | 7.07 | 5.33 | 3.11 | 4.10 | 10.89 | 5.91 | 5.71 | 6.06 |
| — | — | — | — | — | — | — | — | — | — | — | — | — |
Includes 30+ ratios · 48 years · Updated daily
Analyst consensus, bull case, AI-generated risk factors, and peer comparison — all in one place.
Price is only half the story. See total return with reinvested dividends.
Launch CalculatorDCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.
View ValuationCompare business quality, growth, and profitability against top sector peers.
Start ComparisonQuick answers to the most common questions about buying AON stock.
Aon plc's current P/E is 18.4x. The average P/E over the last 4 quarters is 25.3x. Quarterly P/E ratios can vary due to seasonal revenue patterns and one-time charges.
Aon plc's current operating margin is 25.3%. Margins have been expanding over recent quarters. Quarterly margins are particularly useful for identifying trend inflections that annual data smooths over.
Quarterly financial ratios reveal short-term trend shifts — margin compression, debt spikes, or valuation re-ratings — that annual figures smooth over. They're essential for active investors tracking Aon plc's business trajectory between earnings reports.