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Aon plc (AON)
Financial Services · Insurance Brokers · NYSE
Aon plc revenue & earnings — last 10 fiscal years
| Metric | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $9.41B | $10.00B | $10.77B | $11.01B | $11.07B | $12.19B | $12.48B | $13.38B | $15.70B | $17.18B |
| Gross profit | — | — | — | — | — | — | — | — | — | — |
| Net income | $1.43B | $1.26B | $1.17B | $1.53B | $1.97B | $1.25B | $2.59B | $2.56B | $2.65B | $3.69B |
| Net margin | 15.2% | 12.6% | 10.9% | 13.9% | 17.8% | 10.3% | 20.7% | 19.2% | 16.9% | 21.5% |
Source: Aon plc SEC filings (10-K). 19 years of history available in the interactive view.
What growth is priced into AON stock?
At today's market cap of $70.82B, Aon plc is priced for free-cash-flow growth of about 9% per year for 10 years (assuming a 10% discount rate and 2.5% terminal growth, base FCF $3.22B from the FY ending 2025-12-31). For comparison, free cash flow actually grew 4%/yr over the last five fiscal years and revenue 9.2%/yr, computed from its SEC filings. This is a reverse DCF — a translation of the price into a growth assumption you can judge, not a fair value and not advice. Change the assumptions yourself in the interactive view →
Explore 19 years of Aon plc financials — interactive
Full income statement, balance sheet and cash flow with CAGR and trend on every row, 48 quarters, valuation ratios, plain-English health checks, and Ask — our SEC-grounded research assistant.
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Aon plc financial history by metric
About Aon plc
Aon plc operates as a professional services firm in the United States, rest of the Americas, the United Kingdom, Ireland, rest of Europe, the Middle East, Africa, and the Asia Pacific. It operates through Risk Capital and Human Capital segments. The company offers commercial risk solutions comprising retail and insurance brokerage, specialty solutions, global risk consulting, captives management, and affinity programs; health solutions, such as consulting and brokerage, consumer benefits, and talent advisory services; and wealth solutions, including retirement consulting and investments. It also provides treaty and facultative reinsurance; strategy and technology group solutions; insurance-linked securities, capital raising, strategic advice, restructuring, and merger and acquisition services; and risk management products and solutions, capital market solutions, and corporate finance advisory services. In addition, the company offers strategic design advice and actuarial services; pension risk transfer and integrated pension administration; and investment advisory services on developing and maintaining investment programs across various plan types, including defined benefit plans, defined contribution plans, master trusts, and pooled employer plans for corporations, public pensions, endowments, and foundations. Aon plc was incorporated in 1979 and is headquartered in Dublin, Ireland.
Aon plc — frequently asked questions
What is Aon plc's revenue?
Aon plc (AON) reported revenue of $17.18B for fiscal year 2025, up 9.4% from the prior year, according to its SEC filings.
Is Aon plc profitable?
Yes. AON earned net income of $3.69B in fiscal 2025, a net margin of 21.5%.
What is AON's P/E ratio?
Aon plc trades at a price-to-earnings ratio of about 18.2 based on the latest data in our nightly-refreshed cache.
How fast is Aon plc growing?
AON's revenue grew at roughly 9.2% per year over the last five fiscal years (compound annual growth rate), computed from SEC-filed statements.
How much debt does Aon plc have?
As of fiscal year 2025, AON carried roughly $15.84B in total debt (short- plus long-term borrowings), per its filed balance sheet.
What is Aon plc's market cap?
Aon plc (AON) has a market capitalization of about $70.82B, based on the latest data in our nightly-refreshed cache.
When does Aon plc's fiscal year end?
AON's fiscal year ends in December. Its most recent annual filing covers the fiscal year ending 2025-12-31.
What growth is priced into AON stock?
At today's market cap of $70.82B, Aon plc is priced for free-cash-flow growth of about 9% per year for 10 years (assuming a 10% discount rate and 2.5% terminal growth, base FCF $3.22B from the FY ending 2025-12-31). For comparison, free cash flow actually grew 4%/yr over the last five fiscal years and revenue 9.2%/yr, computed from its SEC filings.
Where does this data come from?
All figures are computed from Aon plc's official SEC filings (10-K and 10-Q), covering 19 years of history, refreshed nightly. stockportfolio.pro does not provide investment advice.