Quick answer
Aon plc (AON) reported revenue of $17.18B and net income of $3.69B for the fiscal year ended 2025-12-31, up 9.4% from $15.70B the year before, per its 10-K filed with the SEC on 2026-02-13. Long-term debt stood at $15.25B.
Data as of 2025-12-31. Source: SEC EDGAR XBRL company facts (10-K/10-Q filings)
| Fiscal year | Revenue | Net income | Long-term debt |
|---|---|---|---|
| 2025 (FY ending 2025-12-31) | $17.18B | $3.69B | $15.25B |
| 2024 (FY ending 2024-12-31) | $15.70B | $2.65B | $17.02B |
| 2023 (FY ending 2023-12-31) | $13.38B | $2.56B | $11.20B |
| 2022 (FY ending 2022-12-31) | $12.48B | $2.59B | $10.77B |
| 2021 (FY ending 2021-12-31) | $12.19B | $1.25B | $9.39B |
| 2020 (FY ending 2020-12-31) | $11.07B | $1.97B | $7.73B |
| 2019 (FY ending 2019-12-31) | $11.01B | $1.53B | $7.34B |
| 2018 (FY ending 2018-12-31) | $10.77B | — | $6.24B |
| 2017 (FY ending 2017-12-31) | $10.00B | — | $5.97B |
| 2016 (FY ending 2016-12-31) | $9.41B | — | $6.21B |
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Last updated 2026-10-16. Data only, not financial or tax advice.