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Aon Valuation Multiples
Discover revenue and EBITDA valuation multiples for Aon and similar public comparables like Arthur J. Gallagher, Marsh McLennan, Willis Towers Watson, Brown & Brown and more.
Aon Overview
About Aon
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 about 50,000 employees and operations in over 120 countries.
Founded
1979
HQ
Employees
60.0K
Website
Sectors
Financials (LTM)
EV
$86B
Aon Financials
Aon reported last 12-month revenue of $17B and EBITDA of $6B.
In the same LTM period, Aon generated $6B in EBITDA and $4B in net income.
Revenue (LTM)
Aon P&L
In the most recent fiscal year, Aon reported revenue of $17B and EBITDA of $7B.
Aon expects next 12-month revenue of XXX and NTM EBITDA of XXX
| LTM | NTM | Last FY | FY 2026 | FY 2027 | FY 2028 | |
|---|---|---|---|---|---|---|
| Revenue | $17B | XXX | $17B | XXX | XXX | XXX |
| Gross Profit | — | XXX | $8B | XXX | XXX | XXX |
| Gross Margin | — | XXX | 48% | XXX | XXX | XXX |
| EBITDA | $6B | XXX | $7B | XXX | XXX | XXX |
| EBITDA Margin | 34% | XXX | 38% | XXX | XXX | XXX |
| EBIT Margin | 33% | XXX | 32% | XXX | XXX | XXX |
| Net Profit | $4B | XXX | $4B | XXX | XXX | XXX |
| Net Margin | 22% | XXX | 22% | XXX | XXX | XXX |
| Net Debt | — | — | $14B | XXX | XXX | XXX |
Financial data powered by Morningstar, Inc.
Aon Stock Performance
Aon has current market cap of $72B, and enterprise value of $86B.
Market Cap Evolution
Aon's stock price is $337.80.
| EV | Market Cap | Price 1D | Price 1M | Price 3M | Price 12M | EPS |
|---|---|---|---|---|---|---|
| $86B | $72B | 0.0% | XXX | XXX | XXX | $17.30 |
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Start Free TrialAon Valuation Multiples
Aon trades at 4.9x EV/Revenue multiple, and 14.7x EV/EBITDA.
EV / Revenue (LTM)
Aon Financial Valuation Multiples
As of March 27, 2026, Aon has market cap of $72B and EV of $86B.
Equity research analysts estimate Aon's 2025E EV/Revenue multiple at XXX and 2025E EV/EBITDA multiple at XXX
Aon has a P/E ratio of 19.0x.
| LTM | NTM | Last FY | FY 2026 | FY 2027 | FY 2028 | |
|---|---|---|---|---|---|---|
| Market cap (current) | $72B | XXX | $72B | XXX | XXX | XXX |
| EV (current) | $86B | XXX | $86B | XXX | XXX | XXX |
| EV/Revenue | 4.9x | XXX | 5.0x | XXX | XXX | XXX |
| EV/EBITDA | 14.7x | XXX | 13.1x | XXX | XXX | XXX |
| EV/EBIT | 15.1x | XXX | 15.4x | XXX | XXX | XXX |
| EV/Gross Profit | — | XXX | 10.4x | XXX | XXX | XXX |
| P/E | 19.0x | XXX | 19.5x | XXX | XXX | XXX |
| EV/FCF | 24.9x | XXX | 26.1x | XXX | XXX | XXX |
Valuation data powered by FactSet, Inc. and Morningstar, Inc.
Verified Aon Valuation Multiples
Access all public comps and forward-looking valuation multiples like EV/Revenue in 2027, based on consensus analyst estimates. Powered by FactSet and Morningstar.
Aon Margins & Growth Rates
Aon's revenue in the last 12 month grew by 6%.
Aon's revenue per employee in the last FY averaged $0.3M.
Aon's rule of 40 is 39% (metric relevant for SaaS companies only, counted as combined revenue growth rate and EBITDA margin).
Aon's rule of X is 47% (created by Bessemer, rule of X is another metric to measure SaaS companies, ~1.5x stronger vs. the traditional Rule of 40, counted as revenue growth rate multiplied by 2.5 plus EBITDA margin).
Aon Operational Valuation Multiples
| LTM | NTM | Last FY | FY 2026 | FY 2027 | FY 2028 | |
|---|---|---|---|---|---|---|
| Revenue Growth | 6% | XXX | 5% | XXX | XXX | XXX |
| EBITDA Margin | 34% | XXX | 38% | XXX | XXX | XXX |
| EBITDA Growth | 9% | XXX | (5%) | XXX | XXX | XXX |
| Rule of 40 | — | XXX | 39% | XXX | XXX | XXX |
| Bessemer Rule of X | — | XXX | 47% | XXX | XXX | XXX |
| Revenue per Employee | — | XXX | $0.3M | XXX | XXX | XXX |
| G&A Expenses to Revenue | — | XXX | 11% | XXX | XXX | XXX |
| R&D Expenses to Revenue | 3% | XXX | — | XXX | XXX | XXX |
| Opex to Revenue | — | XXX | 20% | XXX | XXX | XXX |
Valuation data powered by FactSet, Inc. and Morningstar, Inc.
Aon Public Comps
See public comps and valuation multiples for other Insurance Brokers comps.
| EV/Revenue | EV/EBITDA | |||||
|---|---|---|---|---|---|---|
| LTM | 2026E | 2027E | LTM | 2026E | 2027E | |
| Arthur J. Gallagher | XXX | XXX | XXX | XXX | XXX | XXX |
| Marsh McLennan | XXX | XXX | XXX | XXX | XXX | XXX |
| Willis Towers Watson | XXX | XXX | XXX | XXX | XXX | XXX |
| Brown & Brown | XXX | XXX | XXX | XXX | XXX | XXX |
| BB Seguros | XXX | XXX | XXX | XXX | XXX | XXX |
| XXXXXXXX | XXX | XXX | XXX | XXX | XXX | XXX |
| XXXXXXXX | XXX | XXX | XXX | XXX | XXX | XXX |
Valuation data powered by FactSet, Inc.
Aon M&A Activity
Aon acquired XXX companies to date.
Last acquisition by Aon was on XXXXXXXX, XXXXX. Aon acquired XXXXXXXX for XXX (EV/Revenue multiple of XXX).
Latest Acquisitions by Aon
| Acquired Company | Valuation | EV/Revenue | EV/EBITDA |
|---|---|---|---|
| XXXXXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXXXXX | XXX | XXX | XXX |
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Start Free TrialAon Investment Activity
Aon invested in XXX companies to date.
Aon made its latest investment on XXXXXXXX, XXXXX. Aon invested in XXXXXXXX for XXX (EV/Revenue multiple of XXX).
Latest Investments by Aon
| Company | Valuation | EV/Revenue | EV/EBITDA |
|---|---|---|---|
| XXXXXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXXXXX | XXX | XXX | XXX |
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Start Free TrialAbout Aon
| When was Aon founded? | Aon was founded in 1979. |
| Where is Aon headquartered? | Aon is headquartered in United States. |
| How many employees does Aon have? | As of today, Aon has over 60K employees. |
| Who is the CEO of Aon? | Aon's CEO is Gregory C. Case. |
| Is Aon publicly listed? | Yes, Aon is a public company listed on NYSE. |
| What is the stock symbol of Aon? | Aon trades under AON ticker. |
| When did Aon go public? | Aon went public in 1975. |
| Who are competitors of Aon? | Aon main competitors are Arthur J. Gallagher, Marsh McLennan, Willis Towers Watson, Brown & Brown. |
| What is the current market cap of Aon? | Aon's current market cap is $72B. |
| What is the current revenue of Aon? | Aon's last 12 months revenue is $17B. |
| What is the current revenue growth of Aon? | Aon revenue growth (NTM/LTM) is 6%. |
| What is the current EV/Revenue multiple of Aon? | Current revenue multiple of Aon is 4.9x. |
| Is Aon profitable? | Yes, Aon is EBITDA-positive (as of the last 12 months). |
| What is the current EBITDA of Aon? | Aon's last 12 months EBITDA is $6B. |
| What is Aon's EBITDA margin? | Aon's last 12 months EBITDA margin is 34%. |
| What is the current EV/EBITDA multiple of Aon? | Current EBITDA multiple of Aon is 14.7x. |
| What is the current FCF of Aon? | Aon's last 12 months FCF is $3B. |
| What is Aon's FCF margin? | Aon's last 12 months FCF margin is 20%. |
| What is the current EV/FCF multiple of Aon? | Current FCF multiple of Aon is 24.9x. |
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