Aon (AON) 10-K Summaries & Annual Filing History
Review Aon plc (AON) 10-K filings from 2023 through the latest annual report, including business, financial performance, risks, and liquidity.
Key takeaway
Year ended Dec 31, 2025 · FY2025 10-K
Aon plc filed its annual report for the most recent fiscal year. The filing covers the company's business, risk factors, and financial results.
Financial snapshot
Selected annual figures reported with the filing, shown separately from the narrative summary.
Annual revenue
$17.2B
Revenue reported for the fiscal year.
Operating income
$4.3B
Income from operations reported for the year.
Net income
$3.7B
Net income reported for the year.
Operating cash flow
$3.5B
Cash generated by operating activities.
Annual revenue trend
Reported annual revenue and its change from the preceding fiscal year.
| Period ended | Revenue | Year-over-year change |
|---|---|---|
| Dec 31, 2022 | $12.5B | +2.3% |
| Dec 31, 2023 | $13.4B | +7.2% |
| Dec 31, 2024 | $15.7B | +17.4% |
| Dec 31, 2025 | $17.2B | +9.4% |
Business overview
Aon plc operates as a global professional services firm, providing risk, retirement, and health solutions. The business overview section describes the company's core activities and market position. The filing also addresses cybersecurity and unresolved staff comments.
Financial performance
Revenue increased compared to the prior year, while operating income and net income were reported at substantial levels. Operating cash flow remained strong, reflecting the company's ability to generate cash from operations.
Material risks
The filing includes a dedicated risk factors section that outlines material risks facing the business. These risks are described in Part I, Item 1A of the report. The company also discusses cybersecurity as a specific risk area.
Liquidity and capital
The management discussion and analysis section provides context on financial condition and results of operations. No specific capital allocation themes are detailed in the supplied context beyond operating cash flow.
What to watch
Readers should monitor any updates to the risk factors or cybersecurity disclosures in the next filing.