Sector note: Free-cash-flow and enterprise-value multiples (P/FCF, FCF yield, EV/EBITDA, EV/EBIT) are omitted — they aren't meaningful for banks and insurers, whose deposits and reserves a standard model misreads as debt. Book value (P/B), ROE and net interest margin are the right lenses here.
AON Valuation Metrics
AON Stock Price Metrics
AON Dividend Metrics
AON Growth Rate Metrics
AON Discounted Cash Flow Metrics
| Fair Value Price | - |
| Margin of Safety | - |
AON Revenue Metrics
AON PE Ratio Metrics
| PE Ratio | 18.20 |
| PE Ratio Avg TTM | 25.77 |
| PE Ratio Avg 3Y | 26.52 |
| Current VS TTM Avg | -29.36% |
| Current VS 3Y Avg | -31.36% |
| Current VS 5Y Avg | -43.33% |
AON PS Ratio Metrics
| PS Ratio | 4.08 |
| PS Ratio Avg TTM | 4.40 |
| PS Ratio Avg 3Y | 4.83 |
| Current VS TTM Avg | -7.20% |
| Current VS 3Y Avg | -15.47% |
| Current VS 5Y Avg | -18.14% |
AON PB Ratio Metrics
| PB Ratio | 7.26 |
| PB Ratio Avg TTM | 9.11 |
| PB Ratio Avg 3Y | 339.75 |
| Current VS TTM Avg | -20.35% |
| Current VS 3Y Avg | -97.86% |
| Current VS 5Y Avg | -96.81% |
AON Debt to Equity Ratio Metrics
| Debt/Equity Ratio | 1.77 |
| Debt/Equity Ratio Avg TTM | 2.34 |
| Debt/Equity Ratio Avg 3Y | 2.34 |
| Current VS TTM Avg | -24.52% |
| Current VS 3Y Avg | -24.52% |
| Current VS 5Y Avg | -58.50% |
AON PEG Ratio Metrics
| PEG Ratio | 0.56 |
| PEG Ratio Avg TTM | 0.56 |
| PEG Ratio Avg 3Y | 0.56 |
| Current VS TTM Avg | 0.00% |
| Current VS 3Y Avg | 0.00% |
| Current VS 5Y Avg | 0.00% |
AON Earnings Yield
| Earnings Yield | 5.49% |
| Earnings Yield Avg TTM | 4.06% |
| Earnings Yield Avg 3Y | 3.87% |
| Current VS TTM Avg | +35.08% |
| Current VS 3Y Avg | +41.90% |
| Current VS 5Y Avg | +58.10% |
AON Current Ratio Metrics
| Current Ratio | 1.11 |
| Current Ratio Avg TTM | 1.06 |
| Current Ratio Avg 3Y | 1.04 |
| Current VS TTM Avg | +4.23% |
| Current VS 3Y Avg | +6.99% |
| Current VS 5Y Avg | +7.07% |
AON Quick Ratio Metrics
| Quick Ratio | 1.11 |
| Quick Ratio Avg TTM | 1.06 |
| Quick Ratio Avg 3Y | 1.04 |
| Current VS TTM Avg | +4.23% |
| Current VS 3Y Avg | +6.99% |
| Current VS 5Y Avg | +7.07% |
AON ROIC Metrics
| ROIC | 12.16% |
| ROIC Avg 3Y | 17.25% |
| ROIC Avg 5Y | 15.63% |
| Current VS 3Y Avg | -29.53% |
| Current VS 5Y Avg | -22.20% |
| Current VS 10Y Avg | -5.82% |
AON Return on Assets Metrics
| ROA | 7.28 |
| ROA Avg TTM | 6.35 |
| ROA Avg 3Y | 7.04 |
| Current VS TTM Avg | +14.65% |
| Current VS 3Y Avg | +3.37% |
| Current VS 5Y Avg | +14.26% |
AON Return on Equity Metrics
| ROE | 39.51 |
| ROE Avg TTM | 41.44 |
| ROE Avg 3Y | (179.24) |
| Current VS TTM Avg | -4.65% |
| Current VS 3Y Avg | -122.04% |
| Current VS 5Y Avg | -143.71% |
AON Net Profit Margin Metrics
| Net Profit Margin | 21.51% |
| Net Profit Margin Avg TTM | 19.21% |
| Net Profit Margin Avg 3Y | 19.59% |
| Current VS TTM Avg | +11.97% |
| Current VS 3Y Avg | +9.83% |
| Current VS 5Y Avg | +21.27% |
Last Updated: Tuesday, June 9, 2026
About Aon plc
Aon plc is a global professional services firm that delivers expert advice and innovative solutions across the key areas of risk, retirement, and health. Its comprehensive commercial risk offerings include retail brokerage, cybersecurity consulting, global risk management strategies, and the administration of captive insurance programs. For health-related needs, Aon provides brokerage services for benefits and operates health care exchanges. The company is also active in the capital markets, specializing in treaty and facultative reinsurance, insurance-linked securities, and corporate finance advisory services such as capital raising, strategic guidance, restructuring, and mergers and acquisitions support. Additionally, Aon consults on the design and management of retirement programs, furnishes actuarial services, and advises on investment strategies for a wide array of plan types, including defined benefit and defined contribution plans, endowments, and foundations, for both public and private sector clients. The firm further extends its services through specific brands like CoverWallet, Affinity, Aon Inpoint, and ReView. Established in 1919, Aon plc's corporate headquarters are located in Dublin, Ireland.
- Sector
- Financial Services
- Industry
- Insurance - Brokers
- CEO
- Gregory Clarence Case