Revenue for Aon (AON)
According to Aon's latest reported financial statements, the company's current revenue (TTM) is $17.18B USD. Revenue is the total income from selling goods or services before any expenses. Unlike net income (earnings), revenue does not subtract operating costs, taxes, or other charges. Figures are in USD; chart and tables below use historical filings (not a live revenue-per-second estimate).
Headline TTM above sums the four reported quarters through (reported ). Chart and table below cover the full reported history back to .
AON
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TTM (last 4 quarters)
$17.18B
YoY change
+9.4%
5Y CAGR
+9.2%
Peak year (2025)
$17.18B
Cumulative revenue
$320.20B
Revenue history chart for Aon (AON) from 1985 to 2025
Revenue history table for Aon (AON) from 1985 to 2025
| Fiscal year | Period ended | Reported | Revenue | YoY |
|---|---|---|---|---|
| 2025 | $17.18B | +9.4% | ||
| 2024 | $15.70B | +17.4% | ||
| 2023 | $13.38B | +7.2% | ||
| 2022 | $12.48B | +2.3% | ||
| 2021 | $12.19B | +10.2% | ||
| 2020 | $11.07B | +0.5% | ||
| 2019 | $11.01B | +2.3% | ||
| 2018 | $10.77B | +7.7% | ||
| 2017 | $10.00B | +6.3% | ||
| 2016 | $9.41B | -0.7% | ||
| 2015 | $9.48B | -21.3% | ||
| 2014 | $12.04B | +1.9% | ||
| 2013 | $11.81B | +2.6% | ||
| 2012 | $11.51B | +2.0% | ||
| 2011 | $11.29B | +32.6% | ||
| 2010 | $8.51B | +12.1% | ||
| 2009 | $7.59B | +0.9% | ||
| 2008 | $7.53B | +2.3% | ||
| 2007 | $7.36B | +6.9% | ||
| 2006 | $6.88B | +3.5% | ||
| 2005 | $6.65B | -34.6% | ||
| 2004 | $10.17B | +3.7% | ||
| 2003 | $9.81B | +31.8% | ||
| 2002 | $7.44B | +0.2% | ||
| 2001 | $7.43B | +1.5% | ||
| 2000 | $7.32B | +3.5% | ||
| 1999 | $7.07B | +8.9% | ||
| 1998 | $6.49B | +12.9% | ||
| 1997 | $5.75B | +47.9% | ||
| 1996 | $3.89B | +12.2% | ||
| 1995 | $3.47B | -16.6% | ||
| 1994 | $4.16B | +8.1% | ||
| 1993 | $3.84B | +15.2% | ||
| 1992 | $3.34B | +13.8% | ||
| 1991 | $2.93B | +11.6% | ||
| 1990 | $2.63B | +15.2% | ||
| 1989 | $2.28B | -15.8% | ||
| 1988 | $2.71B | +9.7% | ||
| 1987 | $2.47B | +36.7% | ||
| 1986 | $1.81B | +32.8% | ||
| 1985 | $1.36B | — |
Revenue values are taken from Aon's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
The 2025 reading of Aon (AON) revenue is $17.18B – grew 9.4% year-over-year.
Over 2020–2025 (5 years), Aon revenue expanded at a +9.2% compound annual rate, sustaining 9 straight years of year-over-year growth.
The dataset's maximum revenue sits at $17.18B (2025); the minimum reading of $1.36B dates to 1985.
Within Financial Services, Aon (AON) ranks 9th among 8 peers we track. The peer median for revenue is $124.31B.
Aon Revenue by Year
Aon Revenue 2025: $17.18B
Aon revenue in 2025 was $17.18B, grew 9.4% from 2024. This figure represents the highest annual value in the available history.
Aon Revenue 2024: $15.70B
Aon revenue in 2024 was $15.70B, grew 17.4% from 2023.
Aon Revenue 2023: $13.38B
Aon revenue in 2023 was $13.38B, grew 7.2% from 2022.
Aon Revenue 2022: $12.48B
Aon revenue in 2022 was $12.48B, edged up 2.3% from 2021.
Aon Revenue 2021: $12.19B
Aon revenue in 2021 was $12.19B.
See more financial history for Aon (AON).
Sector peers — Revenue
Companies in the same sector as Aon, ranked by their latest revenue.
| Company | Revenue | Sector |
|---|---|---|
| Berkshire Hathaway Inc. (BRK-B) | $371.44B | Financial Services |
| JPMorgan Chase & Co. (JPM) | $279.75B | Financial Services |
| Bank of America Corporation (BAC) | $191.57B | Financial Services |
| The Goldman Sachs Group, Inc. (GS) | $125.10B | Financial Services |
| Wells Fargo & Company (WFC) | $123.53B | Financial Services |
| Morgan Stanley (MS) | $114.98B | Financial Services |
| Visa Inc. (V) | $40.00B | Financial Services |
| Mastercard Incorporated (MA) | $32.79B | Financial Services |
Frequently asked questions
What is Aon's revenue?
- Latest reported revenue for Aon (AON) is $17.18B (period ending December 31, 2025).
How has Aon revenue changed year-over-year?
- Aon (AON) revenue changed +9.4% year-over-year on the latest annual filing.
What is the long-term growth rate of Aon revenue?
- Aon (AON) revenue compound annual growth rate is +9.2% over the most recent 5 years available.
When did Aon revenue hit its highest annual value?
- Aon revenue reached its highest annual value of $17.18B in 2025.
What was Aon revenue in 2024?
- Aon (AON) revenue in 2024 was $15.70B.
What was Aon revenue in 2025?
- Aon (AON) revenue in 2025 was $17.18B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
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AON Overview
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