Aon (AON) revenue was $17.2B in FY2025 (+9% YoY). The tables below show the complete quarterly and annual revenue history, sourced from SEC EDGAR 10-K and 10-Q filings.
Annual Revenue
Fiscal Year
Revenue
YoY
2025
$17.2B
+9%
2024
$15.7B
+17%
2023
$13.4B
+7%
2022
$12.5B
+2%
2021
$12.2B
+10%
2020
$11.1B
+0%
2019
$11.0B
+2%
2018
$10.8B
+8%
2017
$10.0B
+6%
2016
$9.4B
-1%
2015
$9.5B
-21%
2014
$12.0B
+2%
2013
$11.8B
+3%
2012
$11.5B
+2%
2011
$11.3B
+33%
2010
$8.5B
+12%
2009
$7.6B
+1%
2008
$7.5B
+4%
2007
$7.2B
Recent Quarterly Revenue
Quarter
Revenue
Q1 2026
$5.0B
Q4 2025
$4.3B
Q3 2025
$4.0B
Q2 2025
$4.2B
Q1 2025
$4.7B
Q4 2024
$4.1B
Q3 2024
$3.7B
Q2 2024
$3.8B
Q1 2024
$4.1B
Q4 2023
$3.4B
Q3 2023
$3.0B
Q2 2023
$3.2B
Source: AON on EDGAR. Data from SEC EDGAR 10-K and 10-Q filings. Updated quarterly.