Aon plc Class A (AON) Valuation
Historical valuation analysis based on 1281 data points (2021-09-10 to 2026-10-16)
Aon is a leading global provider of insurance and reinsurance brokerage and human resources solutions. Its operations are tilted toward its brokerage operations. Headquartered in London, Aon has ab...
Aon plc Class A (AON) currently trades at a P/E ratio of 15.86 (historical range: 14.66–80.56, median: 26.71), placing it at the 1th percentile — cheap relative to its history, P/S ratio of 3.53 (range: 3.26–6.11, 1th percentile — cheap relative to its history), EV/EBITDA of 16.51 (range: 14.96–45.03, 2th percentile).
Over the historical period (2021-09-10 to 2026-10-16), Aon plc Class A's P/E ratio has contracted by 30% over the observed period (from an average of 37.7 to 26.4).
Aon plc Class A trades well below its historical valuation range across most metrics.
Historical Valuation Metrics
| Metric | Current | Median | %ile | Assessment |
|---|---|---|---|---|
| P/E Ratio | 15.86 | 26.71 | 1th | cheap relative to its history |
| P/S Ratio | 3.53 | 4.93 | 1th | cheap relative to its history |
| EV/EBITDA | 16.51 | 21.36 | 2th | cheap relative to its history |
| FCF Yield | 5.23% | 4.18% | 96th | cheap relative to its history |
Aon plc Class A (AON) Valuation & P/E History
Aon plc Class A (AON) is a US-listed stock operating in the Financial Services sector, specifically the Insurance Agents, Brokers & Service industry currently trading at $287.00 with a market capitalization of $60.9 billion. This page provides historical valuation analysis for AON based on 1281 data points covering 2021-09-10 to 2026-10-16. The P/E ratio of 15.86 is below the historical median of 26.71, placing AON at the 1th percentile of its valuation range. The P/S ratio of 3.53 compares to a median of 4.93.
AON Valuation Metrics & Historical Range
The valuation table above shows Aon plc Class A's current and historical valuation multiples, including P/E ratio, P/S ratio, EV/EBITDA, FCF yield, and dividend yield. Each metric is compared to its own historical range to determine whether AON is currently trading above or below its typical valuation levels.
- P/E ratio: Price-to-earnings measures how much investors pay per dollar of earnings. A P/E above the historical median suggests AON is expensively valued; below the median suggests it is cheap.
- P/S ratio: Price-to-sales is useful for companies with volatile or negative earnings. Lower P/S relative to history may indicate value.
- EV/EBITDA: Enterprise value to EBITDA adjusts for debt and cash, providing a capital-structure-neutral valuation measure for Aon plc Class A.
- FCF yield: Free cash flow yield shows the cash return relative to market price. Higher yields may indicate undervaluation.
Is AON Overvalued or Undervalued?
Aon plc Class A trades well below its historical valuation range across most metrics. The overall valuation percentile of 1 combines P/E, P/S, and EV/EBITDA percentiles into a single measure of how expensive AON is relative to its own history. A percentile below 25 suggests the stock may be undervalued, while a percentile above 75 suggests it may be overvalued.
However, valuation is only one factor in investment decisions. A stock can remain "overvalued" for years if growth accelerates, or "undervalued" if the business deteriorates. Always combine valuation analysis with financial statement analysis and the full AON analysis page for a complete picture.
Valuation data is computed from historical price and fundamental data via Polygon.io and Finnhub.AON trades on NYSE. This page is for informational purposes only and is not financial advice.