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Aon PLC (AON) Financial History

20 years of revenue, earnings, cash-flow and balance-sheet history from public filings.

FINANCIAL SERVICES · Insurance Brokers · DATA UPDATED 2026-07-13

Aon PLC (AON) operates in the Insurance Brokers industry and is headquartered in Dublin, Ireland with about 60,000 employees. Its market capitalization is roughly $77 billion. In the fiscal year ended 2025-12-31, AON reported $17.2B in revenue and $3.7B in net income.

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.

Interactive charts & full statements → Open the AON valuation workbench →

AON Revenue & Earnings History — Annual Income Statement

Income statement	TTM → 2026-03-31	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31	2020-12-31	2019-12-31	2018-12-31	2017-12-31	2016-12-31	2015-12-31	2014-12-31	2013-12-31	2012-12-31	2011-12-31	2010-12-31	2009-12-31	2008-12-31	2007-12-31	2006-12-31
Total Revenue	$17.5B	$17.2B	$15.7B	$13.4B	$12.5B	$12.2B	$11.1B	$11.0B	$10.8B	$10.0B	$9.4B	$9.5B	$12.0B	$11.8B	$11.5B	$11.3B	$8.5B	$7.6B	$7.5B	$7.4B	$6.9B
Gross Profit	$11.5B	$8.2B	$7.4B	$6.5B	$6.0B	$5.5B	$5.2B	$5.0B	$4.7B	$4.0B	$3.9B	$3.9B	$5.0B	$4.9B	$4.8B	$4.7B	$3.4B	$7.6B	$7.5B	$7.4B	$6.9B
Gross Margin %	66.0%	47.7%	47.2%	48.4%	48.1%	44.7%	46.6%	45.0%	43.3%	40.0%	41.4%	40.9%	41.8%	41.2%	41.7%	41.8%	40.1%	100.0%	100.0%	100.0%	100.0%
Operating Income (EBIT)	$4.8B	$4.3B	$3.8B	$3.8B	$3.7B	$2.1B	$2.8B	$2.2B	$1.5B	$1.1B	$1.8B	$1.6B	$2.0B	$1.7B	$1.6B	$1.6B	$1.2B	$1.0B	$940M	$1.2B	$795M
Operating Margin %	27.6%	25.3%	24.4%	28.3%	29.4%	17.1%	25.1%	19.7%	14.3%	10.7%	19.2%	16.7%	16.3%	14.1%	13.9%	14.1%	14.6%	13.4%	12.5%	15.8%	11.6%
Net Income	$3.9B	$3.7B	$2.7B	$2.6B	$2.6B	$1.3B	$2.0B	$1.5B	$1.1B	$1.2B	$1.4B	$1.4B	$1.4B	$1.1B	$993M	$979M	$706M	$747M	$1.5B	$864M	$720M
Net Margin %	22.5%	21.5%	16.9%	19.2%	20.8%	10.3%	17.8%	13.9%	10.5%	12.3%	14.8%	14.6%	11.6%	9.4%	8.6%	8.7%	8.3%	9.8%	19.4%	11.7%	10.5%
EBITDA	$6.8B	$5.3B	$4.9B	$3.8B	$3.8B	$2.6B	$3.2B	$2.7B	$2.3B	$1.9B	$2.0B	$2.0B	$2.6B	$2.4B	$2.3B	$2.2B	$1.5B	$1.3B	$1.2B	$1.4B	$1.0B
Earnings Per Share (EPS)	$18.22	$17.07	$12.49	$12.51	$12.14	$5.55	$8.45	$6.37	$4.59	$4.70	$5.16	$4.88	$4.66	$3.53	$2.99	$2.87	$2.37	$2.57	$4.86	$2.67	$2.10
Shares Outstanding (M)	215M	216M	212M	205M	213M	226M	233M	241M	247M	261M	270M	284M	300M	315M	333M	341M	298M	291M	301M	323M	342M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

AON Quarterly Revenue & Earnings — Last 8 Quarters

Quarterly income statement	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30
Total Revenue	$5.0B	$4.3B	$4.0B	$4.2B	$4.7B	$4.1B	$3.7B	$3.8B
Gross Profit	$4.4B	$3.6B	$1.7B	$1.8B	$2.5B	$2.0B	$1.6B	$1.6B
Gross Margin %	87.7%	83.5%	43.5%	43.2%	52.4%	48.9%	42.2%	43.4%
Operating Income (EBIT)	$1.8B	$1.3B	$816M	$859M	$1.5B	$1.1B	$623M	$656M
Operating Margin %	35.9%	31.1%	20.4%	20.7%	30.9%	26.3%	16.7%	17.4%
Net Income	$1.2B	$1.7B	$458M	$579M	$965M	$716M	$343M	$524M
Net Margin %	24.1%	39.4%	11.5%	13.9%	20.4%	17.3%	9.2%	13.9%
EBITDA	$1.9B	$2.6B	$1.0B	$1.2B	$1.7B	$1.3B	$883M	$1.1B
Earnings Per Share (EPS)	$5.63	$7.82	$2.11	$2.66	$4.43	$3.28	$1.57	$2.46
Shares Outstanding (M)	215M	216M	217M	217M	218M	218M	218M	213M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

AON Free Cash Flow History

Cash flow	TTM → 2026-03-31	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31	2020-12-31	2019-12-31	2018-12-31	2017-12-31	2016-12-31	2015-12-31	2014-12-31	2013-12-31	2012-12-31	2011-12-31	2010-12-31	2009-12-31	2008-12-31	2007-12-31	2006-12-31
Cash from Operations (CFO)	$3.8B	$3.5B	$3.0B	$3.4B	$3.2B	$2.2B	$2.8B	$1.8B	$1.7B	$734M	$2.3B	$2.0B	$1.6B	$1.6B	$1.4B	$1.0B	$787M	$375M	$959M	$1.3B	$968M
Capital Expenditures (CapEx)	$274M	$263M	$218M	$252M	$196M	$137M	$141M	$225M	$240M	$183M	$222M	$290M	$256M	$229M	$269M	$241M	$180M	$140M	$103M	$170M	$152M
Free Cash Flow (FCF)	$3.5B	$3.2B	$2.8B	$3.2B	$3.0B	$2.0B	$2.6B	$1.6B	$1.4B	$551M	$2.1B	$1.7B	$1.4B	$1.4B	$1.1B	$777M	$607M	$235M	$856M	$1.1B	$816M
FCF Margin %	20.0%	18.7%	17.9%	23.8%	24.2%	16.8%	23.9%	14.6%	13.4%	5.5%	22.4%	18.1%	11.5%	11.9%	10.0%	6.9%	7.1%	3.1%	11.4%	15.2%	11.9%
Dividends Paid	$644M	$629M	$562M	$489M	$463M	$447M	$412M	$410M	$382M	$364M	$345M	$323M	$273M	$212M	$204M	$200M	$195M	$165M	$171M	$176M	$189M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

AON Quarterly Free Cash Flow — Last 8 Quarters

Quarterly cash flow	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30
Cash from Operations (CFO)	$430M	$1.4B	$1.1B	$796M	$140M	$1.2B	$1.0B	$513M
Capital Expenditures (CapEx)	$67M	$74M	$69M	$64M	$56M	$55M	$62M	$53M
Free Cash Flow (FCF)	$363M	$1.3B	$1.1B	$732M	$84M	$1.1B	$951M	$460M
FCF Margin %	7.2%	30.8%	27.0%	17.6%	1.8%	27.6%	25.6%	12.2%
Dividends Paid	$162M	$161M	$160M	$161M	$147M	$146M	$147M	$146M

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

AON Balance Sheet History

Balance sheet	2026-03-31	2025-12-31	2024-12-31	2023-12-31	2022-12-31	2021-12-31	2020-12-31	2019-12-31	2018-12-31	2017-12-31	2016-12-31	2015-12-31	2014-12-31	2013-12-31	2012-12-31	2011-12-31	2010-12-31	2009-12-31	2008-12-31	2007-12-31	2006-12-31
Total Assets	$51.4B	$50.8B	$49.0B	$34.0B	$32.7B	$31.9B	$32.1B	$29.4B	$26.4B	$26.1B	$26.6B	$27.2B	$29.8B	$30.3B	$30.5B	$29.6B	$29.0B	$23.0B	$23.2B	$24.9B	$24.3B
Cash & Cash Equivalents	$1.2B	$1.2B	$1.1B	$778M	$690M	$544M	$884M	$790M	$656M	$756M	$431M	$384M	$374M	$477M	$291M	$272M	$346M	$217M	$657M	$584M	$281M
Total Liabilities	$41.5B	$41.2B	$42.5B	$34.7B	$33.1B	$30.8B	$28.5B	$26.0B	$22.2B	$21.4B	$21.1B	$21.0B	$23.1B	$22.1B	$22.7B	$21.4B	$20.7B	$17.5B	$17.9B	$18.7B	$19.1B
Total Debt (Short + Long-Term)	$14.8B	$15.4B	$17.2B	$11.4B	$11.0B	$9.6B	$8.0B	$7.5B	$6.2B	$6.0B	$6.2B	$5.7B	$5.6B	$4.4B	$4.2B	$4.5B	$4.5B	$2.0B	$2.0B	$2.1B	$2.5B
Total Shareholders' Equity	$9.8B	$9.5B	$6.4B	($742M)	($429M)	$1.2B	$3.6B	$3.4B	$4.2B	$4.6B	$5.5B	$6.2B	$6.6B	$8.2B	$7.8B	$8.1B	$8.3B	$5.4B	$5.3B	$6.2B	$5.2B

USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).

Quarterly statements, profitability ratios, price history, insider activity and institutional holders are in the interactive AON viewer.

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