Aon PLC (AON) fair value: what the stock is really worth
As of Nov 5, 2026: fair value (intrinsic value) of Aon PLC stock $120, price $344, that is 65.2% below the price, quality 58 out of 100. Rating: strongly overvalued. Calculated from audited financials with 4 of our 26 valuation models and 37 quality factors, updated daily.
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Aon PLC
AON · USOur calculation puts a fair price 65% below what the stock costs today.
Risks from the AI analysis
What runs behind every stock
69 individual criteria per stock, every one traceable See the method →
Price vs Fair Value
White line = price, green steps = our fair value per fiscal year. As of Nov 3, 2026.
How to read this chart
60‑month range $239.95 – $403.86 · fair‑value band $98.49 – $205.98 · the $344.40 price screens above the $119.87 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). As of Nov 3, 2026.
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Company profile
Aon plc operates as a professional services firm in the United States, rest of the Americas, the United Kingdom, Ireland, rest of Europe, the Middle East, Africa, and the Asia Pacific. It operates through Risk Capital and Human Capital segments.
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The company offers commercial risk solutions comprising retail and insurance brokerage, specialty solutions, global risk consulting, captives management, and affinity programs; health solutions, such as consulting and brokerage, consumer benefits, and talent advisory services; and wealth solutions, including retirement consulting and investments.
It also provides treaty and facultative reinsurance; strategy and technology group solutions; insurance-linked securities, capital raising, strategic advice, restructuring, and merger and acquisition services; and risk management products and solutions, capital market solutions, and corporate finance advisory services.
In addition, the company offers strategic design advice and actuarial services; pension risk transfer and integrated pension administration; and investment advisory services on developing and maintaining investment programs across various plan types, including defined benefit plans, defined contribution plans, master trusts, and pooled employer plans for corporations, public pensions, endowments, and foundations.
Aon plc was incorporated in 1979 and is headquartered in Dublin, Ireland.
Stock analysis
Aon PLC (AON) currently trades at $344.40, while our model-based Fair Value estimate is $119.87, 65% below the price, so the stock looks overvalued today.
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Valuation
Bull case: the Multiples group reads highest at a median of $226.45 per share, and 0 of the 4 models we run sit above the $344.40 price.
Bear case: the Dividend Discount group reads lowest at $44.48, and 4 of the 4 models stay below the price. Data coverage for this calculation is high.
Scenario range: $98.49 (bear) to $205.98 (bull), the price of $344.40 sits above it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 58/100 (solid quality), in the Financial Services sector.
Healthy Growth: Revenue growth appears healthy and is supported by profitability and cash-flow quality.
Aon PLC reported revenue of $17.2B in FY2025 versus $12.2B in FY2021, a compound +9.0%/yr. Reported net income was $3.7B in FY2025, compounding +31.0%/yr from FY2021.
Key figures
Market cap $73.9B Large · P/E ratio 18.2 · P/S ratio 4.21 · EPS (TTM) $18.93 · Dividend yield 0.9% · Net margin 22.3% · Return on equity 44.7% · Return on assets (EBIT) 9.1%.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 80 out of 100 (medium confidence).
What moves the price
The share trades about 9% below its 52-week high and 28% above its 52-week low, currently above its 200-day average.
For context, the median of 10 Financial Services peers we cover trades at −60% fair-value upside, at −65%, AON screens richer than that median.
Fair Value models
All 4 models by family
Quality Score breakdown
It rates the business: profits, how they develop, real cash, balance sheet, investing and share count.
Insider trades
In the last 6 months, one officer or director bought shares worth $6.5M, on Sep 2, 2026. Over the same period, one person sold shares worth $1.7M.
- BuyLester B KnightDirector2× since Feb 10, 2026: 24,000 shares, avg. $326.11$7.8MSep 2, 2026
- SaleDarren ZeidelGeneral Counsel5× since Feb 17, 2026: 13,790 shares, avg. $342.21$4.7MJul 28, 2026
Plus 14 other filings such as grants, option exercises or tax withholding. They are not market purchases or sales.
Sales are often planned (taxes, diversification, 10b5-1 plans). Purchases with their own money are seen as the stronger sign. For information only: not part of the quality score or Fair Value.
Source: SEC Form 4, as of Nov 5, 2026. All filings at the SEC ↗
Revenue & earnings trend
Recent news
- Aon (AON) Stock May Be 23% Undervalued As USI Deal Nears
- Aon CEO warns AI data center carry insurance risks
- Bell Global Equities Fund Exits Aon (AON) After USI Acquisition Raises Financial and Execution Risks
- Should Earnings Beat Require Action From Aon (AON) Investors?
Compare Aon PLC with another stock
Price, fair value, quality and upside side by side.
Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Insurance Brokers · 31 stocks
Valuation Multiplesvs Insurance Brokers median · lower = cheaper
Strength profile in five axes (Snowflake)
VALUE 0: the price sits above our fair-value range.
Context: sector, industry, market
- Is the Financials sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- Dividend yield by industry
- EV/EBITDA by industry
- Stock screener with 62 metrics
- Undervalued stocks: US Stocks
- Valuation of the USA market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Insurance Brokers stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value | Compare |
|---|---|---|---|---|
| Steadfast Group SDF | A$5.81 | A$3.15 | −46% | vs AON |
| Brown & Brown, Inc BRO | $74.38 | $35.14 | −53% | vs AON |
| CorVel Corporation CRVL | $85.91 | $39.94 | −54% | vs AON |
| Willis Towers Watson Public Limited WTW | $336.51 | $146.46 | −56% | vs AON |
| Erie Indemnity Company ERIE | $285.63 | $113.32 | −60% | vs AON |
| AUB Group AUB | A$30.34 | A$11.80 | −61% | vs AON |
| Marsh & McLennan Companies, Inc MRSH | $209.43 | $78.33 | −63% | vs AON |
| Arthur J. Gallagher & Co AJG | $288.11 | $75.74 | −74% | vs AON |
| PB Fintech Limited POLICYBZR | ₹967.00 | ₹137.52 | −86% | vs AON |
| Ryan Specialty Holdings RYAN | $48.26 | $5.30 | −89% | vs AON |
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Key figures of Aon PLC
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