What Is AON Fair Value?
Aon plc (AON) fair value estimate using multiple valuation models, updated daily.
As of July 16, 2026, Aon plc (AON) has a composite fair value estimate of $318.09 based on four valuation models: DCF (35% weight), Graham Number (25% weight), PEG (25% weight), and DDM (15% weight). The current market price is $355.15, suggesting the stock is fair value by 10.4%.
Data as of July 16, 2026 (today)
Composite Fair Value
Fair Value4 of 4 models$318.09
vs. current price of $355.15(-10.4%)
How Is AON Fair Value Calculated?
Four independent models estimate what AON is worth. Each uses different inputs and assumptions. The composite blends them by weight.
AON Intrinsic Value
Forward-looking models based on future cash flows
DCF (Discounted Cash Flow)
35% weightEstimates how much cash the company will generate over the next 10 years, then calculates what all that future cash is worth in today's dollars. Includes a 15% safety cushion. Try the standalone DCF calculator →
$498.49
+40.4%Undervalued
Inputs used
DDM (Dividend Discount Model)
15% weightIf a company pays you dividends, this model asks: how much are all those future dividend payments worth today? Only works for stocks that pay dividends. Try the intrinsic value calculator →
$141.08
-60.3%Overvalued
Inputs used
AON Fair Value
Current fundamentals: earnings, assets, and growth rate
Graham Number (Value Investing)
25% weightCreated by legendary investor Benjamin Graham. It looks at two things: how much the company earns (EPS) and what its assets are worth (Book Value), then calculates the maximum price a careful investor should pay. Try the fair value calculator →
$140.67
-60.4%Overvalued
Inputs used
PEG (Price/Earnings to Growth)
25% weightChecks if you're paying a fair price for the company's growth. A fast-growing company deserves a higher price than a slow one. This model finds the right price based on how fast earnings are growing.
$226.00
-36.4%Overvalued
Inputs used
What If You Change the Assumptions?
Drag the sliders to test different scenarios. Tap the ? buttons to learn what each input means.
Your DCF Fair Value
Current price $355.15 is 40.4% below this estimate
View 10-year cash flow projections
| Year | Projected FCF (Free Cash Flow) | Present Value |
|---|---|---|
| Year 1 | $3.74B | $3.47B |
| Year 2 | $4.18B | $3.61B |
| Year 3 | $4.67B | $3.75B |
| Year 4 | $5.23B | $3.89B |
| Year 5 | $5.84B | $4.05B |
| Year 6 | $6.54B | $4.21B |
| Year 7 | $7.31B | $4.37B |
| Year 8 | $8.17B | $4.54B |
| Year 9 | $9.14B | $4.72B |
| Year 10 | $10.22B | $4.90B |
| Terminal Value | $204.35B | $97.98B |
What Are AON's Key Financial Metrics?
Earnings & Growth
Current Price
$355.15
EPS (TTM)
$18.04
Forward P/E
16.6
Profit Margin
22.5%
Cash & Balance Sheet
Free Cash Flow
3.3B
EBITDA
5.8B
Book Value
$46.04
Total Debt
15.5B
What Do Analysts Say About AON?
Low
$327.00
Average
$391.95
High
$445.00
Upside
+10.4%
AON Fair Value FAQ
What is the fair value of AON?
Based on our composite model (DCF 35%, Graham 25%, PEG 25%, DDM 15%), AON's estimated fair value is $318.09. The stock is currently trading at $355.15, which makes it fair value by our analysis.
How is AON's fair value calculated?
We use four valuation methods: Discounted Cash Flow (DCF), Graham Number, PEG-based Fair Value, and Dividend Discount Model (for dividend-paying stocks). The composite score weights DCF at 35%, Graham and PEG at 25% each, and DDM at 15%. When a model can't be applied, its weight is redistributed proportionally.
Is AON overvalued or undervalued?
Based on our analysis, AON is fair value. The current price of $355.15 is 10.4% above our estimated fair value of $318.09.
What do Wall Street analysts say about AON?
19 analysts cover Aon plc with a consensus rating of "Buy." The average price target is $391.95, ranging from $327.00 to $445.00. This implies 10.4% upside from the current price.