Aon revenue and financials

AON · NYSE · USD

$273.99Change from previous close: +0.71%Absolute change: +$1.94

Close · October 6, 2026

In the fiscal year ended December 2025, Aon reported revenue of $17.18B (+9.45% year over year). Net income was $3.7B, a net margin of 21.5%.

Annual revenue · 2025: $17.18B
  1. $9.41B2016
  2. $10B2017
  3. $10.77B2018
  4. $11.01B2019
  5. $11.07B2020
  6. $12.19B2021
  7. $12.48B2022
  8. $13.38B2023
  9. $15.7B2024
  10. $17.18B2025

Fiscal year ending in December. Sources and method on the page Methodology and sources.

At a glance

Revenue growth
+9.45%
2025 vs 2024
Net income growth
+39.22%
2025 vs 2024
Net margin
21.5%
2024: 16.9%

Financial data

Amounts in millions of USD; per-share values in USD; shares in millions.

Cash flow · Quarterly
ItemQ2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023
Operating cash flow5564301,3971,1487961401,2001,0135133091,2611,043
Depreciation and amortization22319823324024824524122117360.05.062.0
Capital expenditure-73.0-67.0-74.0-69.0-64.0-56.0-55.0-62.0-53.0-48.0-49.0-58.0
Investing cash flow-49.0999648-94.024.0-292-57729.02,676-4,961-240-76.0
Financing cash flow-858-441-3,064-768-24.0-349-769-699-2,9975,261-1,664-1,162
Dividends paid-175-162-161-160-161-147-146-147-146-123-123-125
Share repurchases-648-593-257-257-303-391-212-314-296-380-759-866
Debt issued52.0955-1,08233.0455594-3293261,8736,336-512-129
Debt repaid0.0-593-1,540-40055.0-355-50.0-550-4,328-591-103-57.0
Effect of exchange rates-50.0-97.072.0-90.0500196-564379-56.0-146321-260
Net change in cash-401891-9471961,296-305-710722136463-322-455
Free cash flow4833631,3231,07973284.01,1459514602611,212985
Levered free cash flow3552472,454-120519-35.11,3071,1085871821,218841