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Aon Plc Financials

AON
FY2025 annual
Revenue $17.2B +9.4% YoY
Net Income $3.7B +39.2% YoY
EPS (Diluted) $17.02 +36.3% YoY
Free Cash Flow $3.2B +14.2% YoY
Source SEC Filings (10-K/10-Q) Data as of Jun 30, 2026 Currency USD FYE December

Aon Plc (AON) reported $17.2B in revenue for fiscal year 2025, up 9.4% from the prior fiscal year. This page shows its income statement, balance sheet, cash flow statement, and key financial ratios. View 15 years of annual fundamentals and quarterly data, with year-over-year growth rates and compound annual growth rates (CAGR). All figures are derived from SEC filings (10-K and 10-Q reports).

Rhea AI AON FY2025

Cash-generative, asset-light operations are supporting a much larger goodwill-heavy platform without requiring heavy ongoing reinvestment.

The FY2024 balance-sheet jump looks more like purchased intangibles than a more capital-hungry operating model: goodwill rose to $15.2B while capex was only $218M. By FY2025, free cash flow was back to $3.2B and net margin reached 21.5%, suggesting the larger platform did not demand proportionally more physical reinvestment.

Liquidity management is operating-model driven rather than cash-hoard driven: the current ratio was 1.1x and cash was only $1.2B. That is workable because net income of $3.7B turned into operating cash flow of $3.5B, so day-to-day obligations are supported by recurring cash generation, not idle balance-sheet cash.

FY2024 looks like a transition year, not a permanent reset: revenue stepped up to $15.7B while operating margin eased to 24.4%. By FY2025, operating margin had recovered to 25.3% and long-term debt had fallen to $14.7B, which points to absorption of the larger cost base rather than lasting deterioration.

[ NOT FINANCIAL ADVICE ]

Financial Health Signals

Financial health score not available

Aon Plc does not currently provide enough eligible data for a peer-relative financial health score, so none is published. The signals and metrics below are current.

Piotroski F-Score Partial
7/8

Aon Plc passes 7 of 8 computable financial strength tests (1 of the nine could not be computed from available data). 3 of 4 profitability signals pass, all 3 leverage/liquidity signals pass, both operating efficiency signals pass.

Earnings Quality Mixed
0.94x

For every $1 of reported earnings, Aon Plc generates $0.94 in operating cash flow ($3.5B OCF vs $3.7B net income). This mixed ratio suggests some earnings may rely on non-cash accounting items.

Interest Coverage Safe
5.33x

Aon Plc earns $5.33 in operating income for every $1 of interest expense ($4.3B vs $815.0M). This wide margin provides strong safety for debt servicing, even if earnings decline temporarily.

Key Financial Metrics

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Earnings & Revenue

Revenue
$17.2B
YoY+9.4%
5Y CAGR+9.2%
10Y CAGR+6.1%

Aon Plc generated $17.2B in revenue in fiscal year 2025. This represents an increase of 9.4% from the prior year.

EBITDA
$4.5B
YoY+12.5%
5Y CAGR+8.8%
10Y CAGR+10.0%

Aon Plc's EBITDA was $4.5B in fiscal year 2025, measuring earnings before interest, taxes, depreciation, and amortization. This represents an increase of 12.5% from the prior year.

Net Income
$3.7B
YoY+39.2%
5Y CAGR+13.4%
10Y CAGR+10.0%

Aon Plc reported $3.7B in net income in fiscal year 2025. This represents an increase of 39.2% from the prior year.

EPS (Diluted)
$17.02
YoY+36.3%
5Y CAGR+15.0%
10Y CAGR+13.3%

Aon Plc earned $17.02 per diluted share (EPS) in fiscal year 2025. This represents an increase of 36.3% from the prior year.

Cash & Balance Sheet

Free Cash Flow
$3.2B
YoY+14.2%
5Y CAGR+4.0%
10Y CAGR+5.9%

Aon Plc generated $3.2B in free cash flow in fiscal year 2025, representing cash available after capex. This represents an increase of 14.2% from the prior year.

Cash & Debt
$1.2B
YoY+10.1%
5Y CAGR+6.2%
10Y CAGR+12.0%

Aon Plc held $1.2B in cash against $14.7B in long-term debt as of fiscal year 2025.

Dividends Per Share
$2.91
YoY+10.2%
5Y CAGR+10.3%
10Y CAGR+9.7%

Aon Plc paid $2.91 per share in dividends in fiscal year 2025. This represents an increase of 10.2% from the prior year.

Shares Outstanding
214M
YoY-0.8%

Aon Plc had 214M shares outstanding in fiscal year 2025. This represents a decrease of 0.8% from the prior year.

Margins & Returns

Operating Margin
25.3%
YoY+0.9pp
5Y CAGR+0.2pp
10Y CAGR+8.5pp

Aon Plc's operating margin was 25.3% in fiscal year 2025, reflecting core business profitability. This is up 0.9 percentage points from the prior year.

Net Margin
21.5%
YoY+4.6pp
5Y CAGR+3.7pp
10Y CAGR+6.5pp

Aon Plc's net profit margin was 21.5% in fiscal year 2025, showing the share of revenue converted to profit. This is up 4.6 percentage points from the prior year.

Return on Equity
39.5%
YoY-3.8pp

Aon Plc's ROE was 39.5% in fiscal year 2025, measuring profit generated per dollar of shareholder equity. This is down 3.8 percentage points from the prior year.

Gross Margin

Not reported for fiscal year 2025.

Capital Allocation

Share Buybacks
$1.0B
YoY0.0%
5Y CAGR-10.7%
10Y CAGR-4.3%

Aon Plc spent $1.0B on share buybacks in fiscal year 2025, returning capital to shareholders by reducing shares outstanding. That is unchanged from the prior year.

Capital Expenditures
$263.0M
YoY+20.6%
5Y CAGR+13.3%
10Y CAGR+2.8%

Aon Plc invested $263.0M in capex in fiscal year 2025, funding long-term assets and infrastructure. This represents an increase of 20.6% from the prior year.

R&D Spending

Not reported for fiscal year 2025.

AON Income Statement

Figures in USD, abbreviated K (thousand), M (million), B (billion), T (trillion). Negative values carry a minus sign and red type.

AON annual income statement
MetricTTMFY25FY24FY23FY22FY21FY20FY19FY18FY17FY16FY15FY14FY13FY12FY11
Revenue$17.6B$17.2B+9.4%$15.7B+17.4%$13.4B+7.2%$12.5B+2.3%$12.2B+10.2%$11.1B+0.5%$11.0B+2.3%$10.8B+7.7%$10.0B+6.3%$9.4B-0.7%$9.5B-21.3%$12.0B+1.9%$11.8B+2.6%$11.5B+2.0%$11.3B
SG&A Expenses$9.0B$9.0B+8.5%$8.3B+20.0%$6.9B+6.6%$6.5B-3.9%$6.7B+14.1%$5.9B-2.5%$6.1B-0.8%$6.1B+1.7%$6.0B+8.9%$5.5B-1.6%$5.6B-20.1%$7.0B+1.0%$6.9B+3.5%$6.7B+2.2%$6.6B
Operating Income$4.7B$4.3B+13.3%$3.8B+1.3%$3.8B+3.2%$3.7B+75.6%$2.1B-24.8%$2.8B+28.2%$2.2B+40.5%$1.5B+45.0%$1.1B-41.2%$1.8B+14.1%$1.6B-19.3%$2.0B+17.7%$1.7B+4.7%$1.6B0.0%$1.6B
Interest Expense$755.0M$815.0M+3.4%$788.0M+62.8%$484.0M+19.2%$406.0M+26.1%$322.0M-3.6%$334.0M+8.8%$307.0M+10.4%$278.0M-1.4%$282.0M0.0%$282.0M+3.3%$273.0M+7.1%$255.0M+21.4%$210.0M-7.9%$228.0M-6.9%$245.0M
Income Tax$1.1B$1.0B+36.0%$742.0M+37.2%$541.0M+6.1%$510.0M-18.1%$623.0M+39.1%$448.0M+50.8%$297.0M+103.4%$146.0M-41.6%$250.0M+68.9%$148.0M-15.4%$175.0M-47.6%$334.0M-14.4%$390.0M+8.3%$360.0M-4.8%$378.0M
Net Income$3.9B$3.7B+39.2%$2.7B+3.5%$2.6B-1.0%$2.6B+106.3%$1.3B-36.3%$2.0B+28.5%$1.5B+30.5%$1.2B-7.0%$1.3B-11.7%$1.4B+0.6%$1.4B-0.6%$1.4B+24.7%$1.1B+12.5%$1.0B+1.0%$1.0B
EPS (Diluted)$17.02+36.3%$12.49-0.2%$12.51+3.0%$12.14+118.7%$5.55-34.3%$8.45+32.7%$6.37+38.8%$4.59-2.3%$4.70-8.9%$5.16+5.7%$4.88+4.7%$4.66+32.0%$3.53+18.1%$2.99+4.2%$2.87

Not reported in any period shown, so not listed: Cost of Revenue, Gross Profit, R&D Expenses.

TTM is the trailing twelve months, Q3 FY2025 through Q2 FY2026, summed from the four most recent quarterly filings. A row marked — cannot be summed at all, because a quarter in the window reports no per-share figure; a row marked N/A could be summed, but a quarter in the window does not report that metric.

AON Balance Sheet

Figures in USD, abbreviated K (thousand), M (million), B (billion), T (trillion). Negative values carry a minus sign and red type.

AON annual balance sheet
MetricFY25FY24FY23FY22FY21FY20FY19FY18FY17FY16FY15FY14FY13FY12FY11
Total Assets$50.8B+3.7%$49.0B+44.2%$34.0B+3.8%$32.7B+2.5%$31.9B-0.6%$32.1B+9.2%$29.4B+11.3%$26.4B+1.3%$26.1B-2.0%$26.6B-1.0%$26.9B-9.7%$29.8B-1.6%$30.3B-0.8%$30.5B+3.2%$29.6B
Current Assets$25.8B+10.0%$23.4B+8.0%$21.7B+4.7%$20.7B+8.9%$19.0B+1.9%$18.7B+13.4%$16.5B+14.6%$14.4B+5.1%$13.7B+4.0%$13.1B-3.1%$13.6B-14.3%$15.8B-3.1%$16.3B-0.3%$16.4B+5.7%$15.5B
Cash & Equivalents$1.2B+10.1%$1.1B+39.5%$778.0M+12.8%$690.0M+26.8%$544.0M-38.5%$884.0M+11.9%$790.0M+20.4%$656.0M-13.2%$756.0M+77.5%$426.0M+10.9%$384.0M+2.7%$374.0M-21.6%$477.0M+63.9%$291.0M+7.0%$272.0M
Accounts Receivable$4.2B+10.7%$3.8B+16.9%$3.3B+7.2%$3.0B-1.9%$3.1B+0.8%$3.1B-1.3%$3.1B+12.8%$2.8B+11.4%$2.5B+17.7%$2.1B-17.9%$2.6B-8.9%$2.8B-2.8%$2.9B-6.6%$3.1B-2.6%$3.2B
Goodwill$15.8B+3.7%$15.2B+81.1%$8.4B+1.5%$8.3B-1.7%$8.4B-2.7%$8.7B+6.1%$8.2B-0.1%$8.2B-2.2%$8.4B+12.8%$7.4B+4.8%$7.1B-20.2%$8.9B-1.5%$9.0B+0.6%$8.9B+2.0%$8.8B
Total Liabilities$41.2B-3.1%$42.5B+22.6%$34.7B+4.7%$33.1B+7.7%$30.8B+7.8%$28.5B+9.9%$26.0B+16.9%$22.2B+3.6%$21.4B+1.7%$21.1B+1.2%$20.8B-10.0%$23.1B+4.9%$22.1B-2.8%$22.7B+5.8%$21.4B
Current Liabilities$23.2B+1.0%$23.0B+6.2%$21.7B+6.6%$20.3B+6.5%$19.1B+9.4%$17.4B+12.0%$15.6B+17.1%$13.3B+4.2%$12.8B+2.1%$12.5B-4.5%$13.1B-12.8%$15.0B-2.6%$15.4B+0.4%$15.3B+11.6%$13.8B
Long-Term Debt$14.7B-9.9%$16.3B+62.7%$10.0B+1.7%$9.8B+19.4%$8.2B+13.0%$7.3B+9.9%$6.6B+10.6%$6.0B+5.8%$5.7B-3.4%$5.9B+14.2%$5.1B+7.1%$4.8B+30.2%$3.7B-0.7%$3.7B-10.6%$4.2B
Total Equity$9.4B+52.8%$6.1B+841.0%-$826.0M-56.1%-$529.0M-149.9%$1.1B-69.6%$3.5B+3.6%$3.4B-18.7%$4.2B-9.4%$4.6B-16.3%$5.5B-8.8%$6.0B-8.7%$6.6B-19.3%$8.1B+4.9%$7.8B-3.9%$8.1B
Retained Earnings-$245.0M+89.4%-$2.3B+32.1%-$3.4B-22.6%-$2.8B-63.6%-$1.7B-262.6%$1.0B-16.9%$1.3B-40.1%$2.1B-9.1%$2.3B-39.5%$3.8B-5.1%$4.0B-12.9%$4.6B-19.6%$5.7B-3.4%$5.9B-31.0%$8.6B

Not reported in any period shown, so not listed: Inventory.

AON Cash Flow Statement

Figures in USD, abbreviated K (thousand), M (million), B (billion), T (trillion). Negative values carry a minus sign and red type.

AON annual cash flow statement
MetricTTMFY25FY24FY23FY22FY21FY20FY19FY18FY17FY16FY15FY14FY13FY12FY11
Operating Cash Flow$3.5B$3.5B+14.7%$3.0B-11.6%$3.4B+6.7%$3.2B+47.5%$2.2B-21.6%$2.8B+51.7%$1.8B+8.8%$1.7B+129.7%$734.0M-68.4%$2.3B+15.8%$2.0B+10.9%$1.8B+3.4%$1.8B+23.5%$1.4B+39.4%$1.0B
Capital Expenditures$283.0M$263.0M+20.6%$218.0M-13.5%$252.0M+28.6%$196.0M+43.1%$137.0M-2.8%$141.0M-37.3%$225.0M-6.3%$240.0M+31.1%$183.0M+17.3%$156.0M-22.0%$200.0M-21.9%$256.0M+11.8%$229.0M-14.9%$269.0M+11.6%$241.0M
Free Cash Flow$3.2B$3.2B+14.2%$2.8B-11.5%$3.2B+5.3%$3.0B+47.8%$2.0B-22.6%$2.6B+64.1%$1.6B+11.3%$1.4B+162.4%$551.0M-74.6%$2.2B+20.0%$1.8B+16.3%$1.6B+2.1%$1.5B+32.5%$1.1B+48.0%$777.0M
Investing Cash Flow$1.5B$286.0M+110.1%-$2.8B-1406.9%-$188.0M+58.1%-$449.0M-1016.3%$49.0M+107.2%-$679.0M-196.5%-$229.0M-838.7%$31.0M-98.9%$2.8B+392.1%-$954.0M-591.3%-$138.0M+74.7%-$545.0M-60.8%-$339.0M-291.5%$177.0M+195.2%-$186.0M
Financing Cash Flow-$5.1B-$4.2B-628.3%$796.0M+127.8%-$2.9B-60.1%-$1.8B+7.0%-$1.9B-8.6%-$1.8B-617.4%-$247.0M+85.5%-$1.7B+48.0%-$3.3B-153.9%-$1.3B+23.9%-$1.7B-29.6%-$1.3B-14.7%-$1.1B+28.4%-$1.6B-77.0%-$896.0M
Dividends Paid$658.0M$629.0M+11.9%$562.0M+14.9%$489.0M+5.6%$463.0M+3.6%$447.0M+8.5%$412.0M+0.5%$410.0M+7.3%$382.0M+4.9%$364.0M+5.5%$345.0M+6.8%$323.0M+18.3%$273.0M+28.8%$212.0M+3.9%$204.0M+2.0%$200.0M
Share Buybacks$1.6B$1.0B0.0%$1.0B-63.0%$2.7B-15.7%$3.2B-9.6%$3.5B+101.0%$1.8B-10.1%$2.0B+33.3%$1.5B-38.7%$2.4B+90.9%$1.3B-18.9%$1.6B-31.1%$2.3B+104.2%$1.1B-2.0%$1.1B+35.9%$828.0M

TTM is the trailing twelve months, Q3 FY2025 through Q2 FY2026, summed from the four most recent quarterly filings. A row marked — cannot be summed at all, because a quarter in the window reports no per-share figure; a row marked N/A could be summed, but a quarter in the window does not report that metric.

AON Financial Ratios

Margins and returns are percentages; the remaining ratios are unitless multiples.

AON annual financial ratios
MetricFY25FY24FY23FY22FY21FY20FY19FY18FY17FY16FY15FY14FY13FY12FY11
Operating Margin25.3%+0.9pp24.4%-3.9pp28.3%-1.1pp29.4%+12.3pp17.1%-8.0pp25.1%+5.4pp19.7%+5.3pp14.3%+3.7pp10.7%-8.6pp19.3%+2.5pp16.7%+0.4pp16.3%+2.2pp14.1%+0.3pp13.9%-0.3pp14.1%
Net Margin21.5%+4.6pp16.9%-2.3pp19.2%-1.6pp20.8%+10.5pp10.3%-7.5pp17.8%+3.9pp13.9%+3.0pp10.9%-1.7pp12.6%-2.6pp15.2%+0.2pp15.0%+3.1pp11.9%+2.2pp9.7%+0.9pp8.9%-0.1pp8.9%
Return on Equity39.5%-3.8pp43.4%N/AN/A118.3%+61.9pp56.3%+10.9pp45.4%+17.1pp28.3%+0.7pp27.6%+1.4pp26.1%+2.4pp23.7%+1.9pp21.8%+7.7pp14.1%+1.0pp13.1%+0.6pp12.5%
Return on Assets7.3%+1.9pp5.4%-2.1pp7.5%-0.4pp7.9%+4.0pp3.9%-2.2pp6.1%+0.9pp5.2%+0.8pp4.4%-0.4pp4.8%-0.5pp5.4%+0.1pp5.3%+0.5pp4.8%+1.0pp3.8%+0.4pp3.4%-0.1pp3.4%
Current Ratio1.11+0.1x1.020.0x1.000.0x1.020.0x1.00-0.1x1.070.0x1.060.0x1.080.0x1.070.0x1.050.0x1.040.0x1.050.0x1.060.0x1.07-0.1x1.13
Debt-to-Equity1.57-1.1x2.66N/AN/A7.75+5.7x2.08+0.1x1.96+0.5x1.44+0.2x1.24+0.2x1.07+0.2x0.86+0.1x0.73+0.3x0.450.0x0.480.0x0.51
FCF Margin18.7%+0.8pp17.9%-5.9pp23.8%-0.4pp24.2%+7.5pp16.8%-7.1pp23.9%+9.3pp14.6%+1.2pp13.4%+7.9pp5.5%-17.5pp23.1%+4.0pp19.1%+6.2pp12.9%0.0pp12.9%+2.9pp10.0%+3.1pp6.9%

Not reported in any period shown, so not listed: Gross Margin.

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Frequently Asked Questions

What is Aon Plc's annual revenue?

Aon Plc (AON) reported $17.2B in total revenue for fiscal year 2025. This represents a 9.4% change compared to the previous fiscal year. Revenue measures the total income earned from the company's primary business operations before any expenses are deducted.

How fast is Aon Plc's revenue growing?

Aon Plc (AON) revenue grew by 9.4% year-over-year, from $15.7B to $17.2B in fiscal year 2025.

Is Aon Plc profitable?

Yes, Aon Plc (AON) reported a net income of $3.7B in fiscal year 2025, with a net profit margin of 21.5%.

Aon Plc (AON) reported diluted earnings per share of $17.02 for fiscal year 2025. This represents a 36.3% change compared to the previous fiscal year. EPS represents the portion of a company's net income allocated to each outstanding share of common stock and is widely used to evaluate profitability on a per-share basis.

Aon Plc (AON) had EBITDA of $4.5B in fiscal year 2025, measuring earnings before interest, taxes, depreciation, and amortization.

As of fiscal year 2025, Aon Plc (AON) had $1.2B in cash and equivalents against $14.7B in long-term debt.

Aon Plc (AON) had an operating margin of 25.3% in fiscal year 2025, reflecting the profitability of core business operations before interest and taxes.

Aon Plc (AON) had a net profit margin of 21.5% in fiscal year 2025, representing the share of revenue converted into profit after all expenses.

Yes, Aon Plc (AON) paid $2.91 per share in dividends during fiscal year 2025.

Aon Plc (AON) has a return on equity of 39.5% for fiscal year 2025, measuring how efficiently the company generates profit from shareholder equity.

Aon Plc (AON) generated $3.2B in free cash flow during fiscal year 2025. This represents a 14.2% change compared to the previous fiscal year. Free cash flow represents the cash a company generates after accounting for capital expenditures, and is widely used to assess financial flexibility and shareholder value.

Aon Plc (AON) generated $3.5B in operating cash flow during fiscal year 2025, representing cash generated from core business activities.

Aon Plc (AON) had $50.8B in total assets as of fiscal year 2025, including both current and long-term assets.

Aon Plc (AON) invested $263.0M in capital expenditures during fiscal year 2025, funding long-term assets and infrastructure.

Yes, Aon Plc (AON) spent $1.0B on share buybacks during fiscal year 2025, returning capital to shareholders by reducing shares outstanding.

Aon Plc (AON) had 214M shares outstanding as of fiscal year 2025.

Aon Plc (AON) had a current ratio of 1.11 as of fiscal year 2025, which is considered adequate.

Aon Plc (AON) had a debt-to-equity ratio of 1.57 as of fiscal year 2025, measuring the company's financial leverage by comparing total debt to shareholder equity.

Aon Plc (AON) had a return on assets of 7.3% for fiscal year 2025, measuring how efficiently the company uses its assets to generate profit.

Aon Plc (AON) has a Piotroski F-Score of 7 out of 8 computable signals; 1 of the nine could not be computed from available data, so the full-scale strength rating is not shown. The F-Score evaluates nine binary signals across profitability (positive ROA, positive cash flow, improving ROA, earnings quality), leverage (decreasing debt, improving liquidity, no share dilution), and operating efficiency (improving gross margin, improving asset turnover). Scores of 7 to 9 indicate strong and improving fundamentals. Learn more in our complete guide to financial health indicators.

Aon Plc (AON) has an earnings quality ratio of 0.94x, considered mixed quality. This ratio compares operating cash flow to net income. A ratio above 1.0x means the company generates more cash than its reported earnings, indicating sustainable, cash-backed profits. Ratios below 1.0x suggest earnings rely on accounting accruals rather than actual cash generation. Learn more in our complete guide to financial health indicators.

Aon Plc (AON) has an interest coverage ratio of 5.33x, meaning it can comfortably cover its interest obligations. This ratio divides operating income by interest expense. Ratios above 5x indicate strong debt-servicing ability, while ratios below 2x suggest the company may face difficulty meeting interest payments if earnings decline. Learn more in our complete guide to financial health indicators.

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