Aon Annual Reports (10-K)
Aon (AON) has 13 annual reports listed here, the latest for the fiscal year ended December 31, 2025. Every row links to the official SEC document, with revenue, net income and diluted EPS from our financials next to it.
| Fiscal year | Period end | Filed | Form | Document | Revenue | Net income | EPS (diluted) | Financials |
|---|---|---|---|---|---|---|---|---|
| FY2025 | 2025-12-31 | 2026-02-13 | 10-K | View document | $17.2B | $3.7B | $17.02 | FY2025 financials |
| FY2024 | 2024-12-31 | 2025-02-18 | 10-K | View document | $15.7B | $2.7B | $12.49 | FY2024 financials |
| FY2023 | 2023-12-31 | 2024-04-17 | 10-K/A | View document | N/A | N/A | N/A | |
| FY2023 | 2023-12-31 | 2024-02-16 | 10-K | View document | $13.4B | $2.6B | $12.51 | FY2023 financials |
| FY2022 | 2022-12-31 | 2023-02-17 | 10-K | View document | $12.5B | $2.6B | $12.14 | FY2022 financials |
| FY2021 | 2021-12-31 | 2022-02-18 | 10-K | View document | $12.2B | $1.3B | $5.55 | FY2021 financials |
| FY2020 | 2020-12-31 | 2021-02-19 | 10-K | View document | ••••• | ••••• | ••••• | FY2020 financials |
| FY2019 | 2019-12-31 | 2020-02-14 | 10-K | View document | ••••• | ••••• | ••••• | FY2019 financials |
| FY2018 | 2018-12-31 | 2019-02-19 | 10-K | View document | ••••• | ••••• | ••••• | FY2018 financials |
| FY2017 | 2017-12-31 | 2018-02-20 | 10-K | View document | ••••• | ••••• | ••••• | FY2017 financials |
| FY2016 | 2016-12-31 | 2017-02-23 | 10-K | View document | ••••• | ••••• | ••••• | FY2016 financials |
| FY2015 | 2015-12-31 | 2016-02-22 | 10-K | View document | ••••• | ••••• | ••••• | FY2015 financials |
| FY2014 | 2014-12-31 | 2015-02-24 | 10-K | View document | ••••• | ••••• | ••••• | FY2014 financials |
Aon annual report FAQ
Where can I find the latest 10-K of Aon?
The latest annual report in the table is the 10-K for the fiscal year ended December 31, 2025, filed on February 13, 2026. Open "View document" on its row to read it on the SEC website.
When does the fiscal year of Aon end?
The fiscal year of Aon ends in December; the latest one ended on December 31, 2025.
What does a 10-K contain?
A 10-K is the annual report a US public company files with the SEC. It describes the business, lists the risk factors, explains the results in the management discussion and includes the audited financial statements.