Aon plc describes itself in its 10-K for 2025 as a leading global professional services firm. Its Risk Capital segment supports clients through its Commercial Risk solution line (insurance and specialty brokerage, global risk consulting, captives management, and Affinity programs) and its Reinsurance solution line (treaty reinsurance, facultative reinsurance, the Strategy and Technology Group, and capital markets). Its Human Capital segment supports clients through its Health solution line (consulting and brokerage, consumer benefits solutions, and talent advisory services) and its Wealth solution line (retirement consulting, pension administration, and investments consulting).

How much revenue did Aon make in 2025?

Total revenue was $17,181 million in 2025, against $15,698 million in 2024, according to its 10-K. Net income attributable to Aon shareholders was $3,695 million, or $17.02 per diluted share, against $2,654 million, or $12.49.

What are Aon's segments?

Two reportable segments: Risk Capital, with 2025 total revenue of $11,290 million and operating income of $3,436 million, and Human Capital, with $5,907 million and $1,410 million (10-K for 2025, segment note).

What were Aon's second-quarter 2026 results?

Its 10-Q reports total revenue of $4,246 million for the quarter ended June 30, 2026, against $4,155 million a year earlier, and net income attributable to Aon shareholders of $551 million, or $2.58 per diluted share, against $579 million, or $2.66. In its July 29, 2026 release Aon reported adjusted EPS, a non-GAAP measure, of $3.81, against $3.49.

Does Aon pay a dividend?

Yes. Cash dividends to shareholders were $629 million in 2025 (10-K, cash flows), and the 10-K says Aon paid a quarterly cash dividend of $0.745 per share in February 2026. Its 10-Q for the quarter ended June 30, 2026 says that on July 10, 2026 Aon announced a $0.820 per share dividend payable August 14, 2026.

Gregory C. Case is Chief Executive Officer; he certified Aon's 10-Q for the quarter ended June 30, 2026, together with Edmund Reese as Chief Financial Officer. A Form 8-K filed August 17, 2026 says Mr. Reese would transition from that role effective August 17, 2026, and that Nadin Virani would serve as interim Chief Financial Officer.

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Aon plc $AON

Financials · Insurance Brokers · NYSE/NASDAQ

Profile updated Oct 14, 2026

S&P 500 Russell 1000 Ireland

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$296.71

+6.97 (+2.41%)

As of Oct 20, 2026, 10:16 PM EDT

Price history

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Today's analyst average Analyst average over timeIndividual analyst targets Analyst history starts Sep 1, 2026, the first target we tracked for AON.

Key facts

52-week range (closes): $269.45 – $381.26 Lowest close Oct 2, 2026, highest Jul 28, 2026; 251 daily closes to Oct 13, 2026 from Dalsna Finance's price archive
Next earnings: Oct 28, 2026, before the open · EPS forecast $3.34 Nasdaq earnings calendar, as of Oct 21, 2026
Fiscal year ends: December Fiscal 2025 ended Dec 31, 2025, from SEC filings
In the S&P 500 since: Apr 23, 1996 · All S&P 500 changes
Analyst coverage: 2 open price targets from 2 firms: Mizuho, Piper Sandler Approved targets tracked here; see the analyst section below

Aon plc (AON) is trading up at $296.71 (+2.41%) on NYSE/NASDAQ, as of the latest quote. It is a S&P 500 constituent in the Financials sector.

Analyst price targets on AON

Current price targets from 2 firms average $374, ranging from $349 to $398 — 26% above the current $297. Each is tracked to its date and scored the same way a member's call is.

Piper Sandler $326 → $349 by Sep 2027 Neutral Sep 1, 2026 via Investing.com · Piper Sandler's track record
Mizuho $326 → $398 by Sep 2027 Outperform Sep 1, 2026 via Investing.com · Mizuho's track record

Targets published by research firms, extracted from the news, checked against independent reporting, and linked to their source. Where a firm did not state a horizon the target is tracked as 12 months, the industry convention; the rows where the firm set its own horizon are marked. Reported here as facts about what was published — not recommendations from Dalsna Finance, and no firm listed is affiliated with this site.

Aon plc revenue & net income history (FY2016–FY2025)

RevenueNet incomeNet margin (right axis, %)

Aon plc annual financial statements
	FY2016Dec 2016	FY2017Dec 2017	FY2018Dec 2018	FY2019Dec 2019	FY2020Dec 2020	FY2021Dec 2021	FY2022Dec 2022	FY2023Dec 2023	FY2024Dec 2024	FY2025Dec 2025
Income statement
Revenue	$9.41B	$10.00B	$10.8B	$11.0B	$11.1B	$12.2B	$12.5B	$13.4B	$15.7B	$17.2B
Growth (year over year)	−0.7%	+6.3%	+7.7%	+2.3%	+0.5%	+10.2%	+2.3%	+7.2%	+17.4%	+9.4%
Operating income	$1.81B	$1.06B	$1.54B	$2.17B	$2.78B	$2.09B	$3.67B	$3.79B	$3.83B	$4.34B
Operating margin	19.2%	10.7%	14.3%	19.7%	25.1%	17.1%	29.4%	28.3%	24.4%	25.3%
Net income	$1.40B	$1.23B	$1.13B	$1.53B	$1.97B	$1.25B	$2.59B	$2.56B	$2.65B	$3.69B
Net margin	14.8%	12.3%	10.5%	13.9%	17.8%	10.3%	20.7%	19.2%	16.9%	21.5%
EPS (diluted)	$5.16	$4.70	$4.59	$6.37	$8.45	$5.55	$12.14	$12.51	$12.49	$17.02
Balance sheet
Cash and equivalents	$426.0M	$756.0M	$656.0M	$790.0M	$884.0M	$544.0M	$690.0M	$778.0M	$1.08B	$1.20B
Total assets	$26.6B	$26.1B	$26.4B	$29.4B	$32.1B	$31.9B	$32.7B	$34.0B	$49.0B	$50.8B
Total liabilities	$21.1B	$21.4B	$22.2B	$26.0B	$28.5B	$30.8B	$33.1B	$34.7B	$42.5B	$41.2B
Long-term debt	$5.87B	$5.67B	$5.99B	$6.63B	$7.28B	$8.23B	$9.82B	$9.99B	$16.3B	$14.7B
Shareholders' equity	$5.47B	$4.58B	$4.15B	$3.38B	$3.50B	$1.06B	−$529.0M	−$826.0M	$6.12B	$9.35B
Cash flow
Operating cash flow	$2.33B	$734.0M	$1.69B	$1.83B	$2.78B	$2.18B	$3.22B	$3.44B	$3.04B	$3.48B
Capital expenditure	$156.0M	$183.0M	$240.0M	$225.0M	$141.0M	$137.0M	$196.0M	$252.0M	$218.0M	$263.0M
Free cash flow	$2.17B	$551.0M	$1.45B	$1.61B	$2.64B	$2.04B	$3.02B	$3.18B	$2.82B	$3.22B
Dividends paid	$345.0M	$364.0M	$382.0M	$410.0M	$412.0M	$447.0M	$463.0M	$489.0M	$562.0M	$629.0M
Share buybacks	$1.26B	$2.40B	—	—	—	—	—	—	—	—

RevenueNet incomeNet margin (right axis, %)

Aon plc quarterly financial statements
	Q3 FY24Sep 2024	Q4 FY24^†Dec 2024	Q1 FY25Mar 2025	Q2 FY25Jun 2025	Q3 FY25Sep 2025	Q4 FY25^†Dec 2025	Q1 FY26Mar 2026	Q2 FY26Jun 2026
Income statement
Revenue	$3.72B	$4.15B	$4.73B	$4.16B	$4.00B	$4.30B	$5.03B	$4.25B
Growth (year over year)	+26.0%	+22.9%	+16.2%	+10.5%	+7.4%	+3.7%	+6.4%	+2.2%
Operating income	$623.0M	$1.09B	$1.46B	$859.0M	$816.0M	$1.21B	$1.72B	$915.0M
Operating margin	16.7%	26.3%	30.9%	20.7%	20.4%	28.1%	34.1%	21.5%
Net income	$343.0M	$716.0M	$965.0M	$579.0M	$458.0M	$1.69B	$1.21B	$551.0M
Net margin	9.2%	17.3%	20.4%	13.9%	11.5%	39.4%	24.1%	13.0%
EPS (diluted)	$1.57	$3.11	$4.43	$2.66	$2.11	$7.82	$5.63	$2.58
Balance sheet
Cash and equivalents	$1.10B	$1.08B	$964.0M	$1.01B	$1.09B	$1.20B	$1.18B	$1.06B
Total assets	$49.9B	$49.0B	$50.3B	$54.0B	$51.6B	$50.8B	$51.4B	$53.3B
Total liabilities	$43.3B	$42.5B	$43.0B	$45.9B	$43.4B	$41.2B	$41.4B	$43.6B
Long-term debt	$17.1B	$16.3B	$16.3B	$15.5B	$15.1B	$14.7B	$13.5B	$12.9B
Shareholders' equity	$6.24B	$6.12B	$7.00B	$7.84B	$7.94B	$9.35B	$9.83B	$9.60B
Cash flow
Operating cash flow	$1.01B	$1.20B	$140.0M	$796.0M	$1.15B	$1.40B	$430.0M	$556.0M
Capital expenditure	$62.0M	$55.0M	$56.0M	$64.0M	$69.0M	$74.0M	$67.0M	$73.0M
Free cash flow	$951.0M	$1.15B	$84.0M	$732.0M	$1.08B	$1.32B	$363.0M	$483.0M
Dividends paid	$147.0M	$146.0M	$147.0M	$161.0M	$160.0M	$161.0M	$162.0M	$175.0M

From Aon plc's 10-K and 10-Q filings with the SEC; its fiscal year ends in December. Each period shows the latest figure the company has reported for it, including restatements. Net margin is our own calculation from those reported figures (net income ÷ revenue); it is left blank where revenue is zero or missing. † Quarter derived from the company's year-to-date or full-year totals. Filings on SEC EDGAR →

Aon plc vs the Financials sector and the S&P 500

Aon plc's latest reported figures next to the median of the other 75 S&P 500 Financials companies and of the other 502 S&P 500 companies; each median is taken over the companies with a comparable figure (counts in the footnote). A median is the middle value, not an average, so one very large company does not move it.

Aon plc compared with the median Financials company and the median S&P 500 company
Measure	Aon plc	Financials (75 other S&P 500 companies)	S&P 500 (502 other companies)
Revenue growth, latest fiscal year	+9.4%	+7.2%	+7.0%
Net margin, latest fiscal year	21.5%	19.3%	12.9%
Dividend per share, latest fiscal year	$2.91	$2.35	$2.40
Share price change, 1 year	−13.8%	+9.3%	+7.5%

Aon plc: fiscal year ended December 2025, from its 10-K and 10-Q filings with the SEC. Medians computed October 20, 2026 from each company's latest annual filing (fiscal years ending between July 2025 and September 2026) and our price archive. Prices for every company, Aon plc included, are the last regular-session prices of October 20, 2026; the 1-year change compares that price with each company's last close on or before October 20, 2025. Net margin and price change are our calculations from reported figures. Each median counts only the companies with a comparable figure (sector / S&P 500): revenue growth 75/496, net margin 75/496, dividend per share 61/349, 1-year price change 75/488; the reasons below can overlap. 14 are left out of the price figure because our archive holds no comparable close for them; dividend medians are among the 61 sector and 349 S&P 500 companies reporting a per-share dividend. The S&P 500 price figure is the middle company's change, not the index's return.

About Aon plc

Headquarters: Dublin, Ireland From SEC filings, Oct 2026

Company profile

Aon plc describes itself in its annual report for 2025 (Form 10-K) as a leading global professional services firm, which provides clients with Risk Capital and Human Capital expertise and solutions to help them make better risk and people decisions. The 10-K says Aon is incorporated in Ireland; its cover gives its address as 15 George's Quay, Dublin 2, Ireland. It serves clients in more than 120 countries, and as of December 31, 2025 it employed approximately 60,000 employees. Its fiscal year ends December 31. Its Class A ordinary shares trade on the NYSE under the symbol AON, with 214,254,496 shares outstanding on February 12, 2026 (10-K cover) and 212,125,434 on July 28, 2026 (10-Q cover). The 10-K says Aon manages its business within two reportable segments: Risk Capital and Human Capital.

For 2025 the consolidated statements of income report total revenue of $17,181 million, against $15,698 million in 2024, operating income of $4,344 million, against $3,835 million, and net income attributable to Aon shareholders of $3,695 million, or $17.02 per diluted share, against $2,654 million, or $12.49, in 2024. The 10-K (Item 7) says total revenue increased in 2025 reflecting 6% organic revenue growth (a non-GAAP measure), acquired revenues from NFP, and a favorable impact from foreign currency translation, and that other income of $1,211 million, against $348 million in 2024, increased primarily due to gain on the sale of businesses, particularly the NFP Wealth business sold in the fourth quarter. On April 25, 2024 Aon acquired NFP Intermediate Holdings A Corp. (NFP) for an aggregate U.S. GAAP purchase price totaling $9.1 billion, and on October 30, 2025 it completed the sale of a significant majority of NFP's wealth businesses to Madison Dearborn Partners, LLC, for total cash proceeds on closing of $2.3 billion and a pre-tax gain of $1.2 billion (10-K). Cash provided by operating activities was $3,481 million in 2025; Aon spent $1,000 million on share repurchase and $629 million on cash dividends to shareholders (10-K, cash flows). The 10-K reports adjusted diluted earnings per share of $17.07, against $15.60 in 2024, and an adjusted operating margin of 32.4%, against 31.5%, both non-GAAP measures.

According to its 10-Q for the quarter ended June 30, 2026 (unaudited), total revenue was $4,246 million, against $4,155 million a year earlier, and net income attributable to Aon shareholders was $551 million, or $2.58 per diluted share, against $579 million, or $2.66. The 10-Q says revenue increased $91 million, or 2%, reflecting 5% organic revenue growth (a non-GAAP measure) and a 1% favorable impact from foreign currency translation, partially offset by a 4% unfavorable impact primarily from divestitures largely due to the divestitures of the NFP Wealth business and Stroz Friedberg; Risk Capital revenue increased $140 million, or 5%, and Human Capital revenue decreased $47 million, or 4%; the 10-Q says Wealth Solutions revenue decreased $93 million, or 18%, due primarily to the sale of the NFP Wealth business in the fourth quarter of 2025. It says net income decreased $29 million, or 5%, due to the factors set out in its results highlights and a $73 million decrease in Other income (expense). In its July 29, 2026 release Aon reported adjusted EPS of $3.81, against $3.49, a non-GAAP measure, and said it was reaffirming 2026 guidance of mid-single-digit or greater organic revenue growth, 70-80 basis points of adjusted operating margin expansion, strong adjusted EPS growth and double-digit free cash flow growth (company projections, non-GAAP measures). Gregory C. Case, Chief Executive Officer, and Edmund Reese, Chief Financial Officer, certified the 10-Q (Exhibits 31.1 and 31.2). In a Form 8-K filed August 17, 2026, Aon said Mr. Reese would transition from his role as Executive Vice President and Chief Financial Officer effective August 17, 2026, to serve as a senior advisor until August 16, 2027, and that Nadin Virani would serve as interim Chief Financial Officer.

In a Form 8-K filed August 31, 2026, Aon reported that on August 30, 2026 it entered into an Agreement and Plan of Merger under which it will acquire USI Advantage Corp. for a purchase price of $17 billion in cash, subject to downward adjustments for leakage since June 30, 2026. Completion is subject to customary closing conditions, including receipt of applicable regulatory approvals, and either party may terminate if the closing has not occurred by June 1, 2027, subject to up to two three-month extensions relating to regulatory approvals. A Form 8-K filed September 17, 2026 reports the sale of senior notes in seven series due from 2029 to 2056, with net proceeds of approximately $13,400,800,000, which the issuers intend to use for general corporate purposes, including paying the cash consideration for the USI acquisition; if the acquisition is not consummated within the stated period, the USI Acquisition Notes (all series except the 2056 Notes) must be redeemed at 101% of principal plus accrued interest. A Form 8-K filed September 22, 2026 reports that on September 18, 2026 Aon and certain subsidiaries entered into credit agreements providing unsecured delayed draw term loan facilities of $4,000,000,000 and a $3,000,000,000 unsecured revolving credit facility, which replaces two $1,000,000,000 revolving credit facilities.

Summary sources:¹²³⁴⁵⁶⁷⁸⁹¹⁰¹¹¹²¹³¹⁴¹⁵

$17,181 million⁴

Total revenue, 2025 (year ended December 31, 2025)

$4,344 million⁴

Operating income, 2025

$3,695 million⁴

Net income attributable to Aon shareholders, 2025

$17.02⁴

Diluted net income per share attributable to Aon shareholders, 2025

$11,290 million³

Risk Capital total revenue, 2025

$5,907 million³

Human Capital total revenue, 2025

$3,481 million⁵

Cash provided by operating activities, 2025

$1,000 million⁵

Share repurchase, 2025

$629 million⁵

Cash dividends to shareholders, 2025

$1,195 million¹⁶

Cash and cash equivalents, December 31, 2025

$14,660 million¹⁶

Long-term debt, December 31, 2025

$9,352 million¹⁶

Total Aon shareholders' equity, December 31, 2025

approximately 60,000¹

Employees, December 31, 2025

$17.07¹

Adjusted diluted earnings per share, 2025 (non-GAAP, as reported by Aon)

$4,246 million⁸

Total revenue, quarter ended June 30, 2026 (unaudited)

$9,280 million⁸

Total revenue, six months ended June 30, 2026 (unaudited)

$551 million⁸

Net income attributable to Aon shareholders, quarter ended June 30, 2026 (unaudited)

$2.58⁸

Diluted net income per share attributable to Aon shareholders, quarter ended June 30, 2026 (unaudited)

$986 million¹⁷

Cash provided by operating activities, six months ended June 30, 2026 (unaudited)

$12,947 million¹⁸

Long-term debt, June 30, 2026

$3.81⁹

Adjusted EPS, quarter ended June 30, 2026 (non-GAAP, as reported by Aon)

$17 billion in cash, subject to downward adjustments for leakage since June 30, 2026¹³

USI Advantage Corp. purchase price (as reported in Form 8-K, August 31, 2026)

Revenue by fiscal year, as reported in 10-K

Fiscal year	Revenue (as reported in 10-K)	Reported as	Filed
2021	$12,193 million¹⁹	Form 10-K for 2021 (year ended December 31, 2021), total revenue, in millions as filed	Feb 18, 2022
2022	$12,479 million²⁰	Form 10-K for 2022 (year ended December 31, 2022), total revenue, in millions as filed	Feb 17, 2023
2023	$13,376 million²¹	Form 10-K for 2023 (year ended December 31, 2023), total revenue, in millions as filed	Feb 16, 2024
2024	$15,698 million²²	Form 10-K for 2024 (year ended December 31, 2024), total revenue, in millions as filed	Feb 18, 2025
2025	$17,181 million⁴	Form 10-K for 2025 (year ended December 31, 2025), total revenue, in millions as filed	Feb 13, 2026

Products

Risk Capital

Name	Released	What it is
Commercial Risk Solutions	—	Brokerage and consulting services that help organizations develop, improve, and implement their risk management strategies. It includes insurance and specialty brokerage, global risk consulting, captives management, and Affinity programs (10-K, Item 1).¹
Reinsurance Solutions	—	Includes treaty reinsurance, facultative reinsurance, Strategy and Technology Group and capital markets, which the 10-K describes as a global investment bank with expertise in insurance-linked securities, capital raising, strategic advice, restructuring, and mergers and acquisitions.¹
Data Center Lifecycle Insurance Program	—	Launched in 2025, a proprietary program designed to support data center projects from construction through ongoing operations by bringing together traditionally fragmented risk classes into a single coordinated insurance solution (10-K, Item 1).¹
Capital Insights Explorer, ReMetrica and PathWise	—	Analytics and modeling tools the 10-K names among those the Strategy and Technology Group uses, with strategic advice and data-driven consulting, to help clients deploy capital efficiently and effectively.¹

Human Capital

Name	Released	What it is
Health Solutions	—	Includes consulting and brokerage, consumer benefits, compensation, and talent advisory services (10-K, Item 1).¹
Wealth Solutions	—	Includes retirement consulting, pension administration, and investments consulting; for defined contributions the 10-K says Aon offers Master Trusts and Pooled Employer Plans.¹

Segments and products

Two reportable segments: Risk Capital and Human Capital: The 10-K says reportable segments are consistent with how the CODM, Aon's Chief Executive Officer, assesses performance and allocates resources based on two segments: Risk Capital and Human Capital, using segment operating income and operating margin. Risk Capital supports clients through its Commercial Risk and Reinsurance solution lines; Human Capital supports clients through its Health and Wealth solution lines. Aon does not present assets by reportable segment (10-K, segment note).³
Segment revenue and operating income, 2023 to 2025: As filed, in millions, for 2025, 2024 and 2023: Risk Capital total revenue $11,290, $10,517 and $9,524, operating income $3,436, $3,292 and $2,946; Human Capital total revenue $5,907, $5,209 and $3,864, operating income $1,410, $1,143 and $1,097; Corporate/Eliminations total revenue $(16), $(28) and $(12), operating income $(502), $(600) and $(258) (10-K, segment note).³
Revenue by solution line, 2023 to 2025: Total revenue as filed, in millions, for 2025, 2024 and 2023: Commercial Risk Solutions $8,497, $7,861 and $7,043; Reinsurance Solutions $2,793, $2,656 and $2,481; Health Solutions $3,839, $3,335 and $2,433; Wealth Solutions $2,068, $1,874 and $1,431 (10-K, revenue note).²³
Revenue by geography, 2023 to 2025: Total revenue as filed, in millions, for 2025, 2024 and 2023: U.S. $8,279, $7,666 and $5,923; Americas other than U.S. $1,633, $1,335 and $1,260; U.K. $2,220, $1,975 and $1,819; Ireland $185, $146 and $113; Europe, Middle East, & Africa other than U.K. and Ireland $3,153, $2,900 and $2,672; Asia Pacific $1,711, $1,676 and $1,589 (10-K, revenue note).²³
Revenue by segment and solution line, quarter ended June 30, 2026: Total revenue as filed (unaudited), in millions, for the quarters ended June 30, 2026 and 2025: Risk Capital $3,006 and $2,866, of which Commercial Risk Solutions $2,295 and $2,178 and Reinsurance Solutions $711 and $688; Human Capital $1,244 and $1,291, of which Health Solutions $818 and $772 and Wealth Solutions $426 and $519 (10-Q, revenue note).²⁴

Risks

Economic activity: The 10-K says an overall decline in economic and business activity could have a material adverse effect on the financial condition and results of operations of its business (10-K, Item 1A).¹
Competition and innovation: Aon says it faces significant competitive pressures from traditional and non-traditional competitors, and that if it is unable to effectively develop and implement innovative strategies, efficiencies and new solutions for its clients, its reputation, ability to compete effectively and financial condition may be adversely affected (10-K, Item 1A).¹
Commission revenue: The 10-K says revenues from commission arrangements may fluctuate due to many factors, including cyclical or permanent changes in the insurance and reinsurance markets outside of its control, and that it has no control over premium rates (10-K, Item 1A).¹
Debt: Aon says it has debt outstanding that could adversely affect its financial flexibility, and that a decline in the credit ratings of its senior debt and commercial paper may adversely affect its borrowing costs, access to capital, and financial flexibility. The 10-K says it had total consolidated debt outstanding of approximately $15.2 billion as of December 31, 2025 (10-K, Item 1A).¹
E&O claims and regulation: The 10-K says Aon is subject to E&O claims as well as other contingencies and legal proceedings, some of which, if determined unfavorably, could have a material adverse effect, and that its businesses are subject to extensive governmental regulation (10-K, Item 1A).¹
Technology and data: Aon says it relies on complex information technology systems and networks to operate its business, and that any significant system or network disruption due to a breach in the security of those systems could have a negative impact on its reputation, operations, sales, and operating results (10-K, Item 1A).¹
Irish incorporation: The 10-K says Aon is incorporated in Ireland, that Irish law differs from the laws in effect in the U.S. and may afford less protection to holders of its securities, and that Irish law requires it to have available distributable profits to pay dividends and generally to make share repurchases and redemptions (10-K, Item 1A).¹

Frequently asked questions

What does Aon do?: Aon plc describes itself in its 10-K for 2025 as a leading global professional services firm. Its Risk Capital segment supports clients through its Commercial Risk solution line (insurance and specialty brokerage, global risk consulting, captives management, and Affinity programs) and its Reinsurance solution line (treaty reinsurance, facultative reinsurance, the Strategy and Technology Group, and capital markets). Its Human Capital segment supports clients through its Health solution line (consulting and brokerage, consumer benefits solutions, and talent advisory services) and its Wealth solution line (retirement consulting, pension administration, and investments consulting).
Where is Aon based?: The 10-K says Aon is incorporated in Ireland, and its cover gives its address as 15 George's Quay, Dublin 2, Ireland. Its Class A ordinary shares trade on the NYSE under the symbol AON.
How much revenue did Aon make in 2025?: Total revenue was $17,181 million in 2025, against $15,698 million in 2024, according to its 10-K. Net income attributable to Aon shareholders was $3,695 million, or $17.02 per diluted share, against $2,654 million, or $12.49.
What are Aon's segments?: Two reportable segments: Risk Capital, with 2025 total revenue of $11,290 million and operating income of $3,436 million, and Human Capital, with $5,907 million and $1,410 million (10-K for 2025, segment note).
What were Aon's second-quarter 2026 results?: Its 10-Q reports total revenue of $4,246 million for the quarter ended June 30, 2026, against $4,155 million a year earlier, and net income attributable to Aon shareholders of $551 million, or $2.58 per diluted share, against $579 million, or $2.66. In its July 29, 2026 release Aon reported adjusted EPS, a non-GAAP measure, of $3.81, against $3.49.
What is Aon's outlook for 2026?: In its July 29, 2026 release Aon said it was reaffirming 2026 guidance of mid-single-digit or greater organic revenue growth, 70-80 basis points of adjusted operating margin expansion, strong adjusted EPS growth and double-digit free cash flow growth. These are the company's own projections, based on non-GAAP measures, not reported results.
Is Aon buying USI?: A Form 8-K filed August 31, 2026 says Aon entered into a merger agreement on August 30, 2026 to acquire USI Advantage Corp. for a purchase price of $17 billion in cash, subject to downward adjustments for leakage since June 30, 2026. Completion is subject to customary closing conditions, including receipt of applicable regulatory approvals.
Does Aon pay a dividend?: Yes. Cash dividends to shareholders were $629 million in 2025 (10-K, cash flows), and the 10-K says Aon paid a quarterly cash dividend of $0.745 per share in February 2026. Its 10-Q for the quarter ended June 30, 2026 says that on July 10, 2026 Aon announced a $0.820 per share dividend payable August 14, 2026.
Who runs Aon?: Gregory C. Case is Chief Executive Officer; he certified Aon's 10-Q for the quarter ended June 30, 2026, together with Edmund Reese as Chief Financial Officer. A Form 8-K filed August 17, 2026 says Mr. Reese would transition from that role effective August 17, 2026, and that Nadin Virani would serve as interim Chief Financial Officer.