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Aon plc AON Operating margin

Operating margin at other companies

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MarshMRSH
21.7%-1.8pp
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Willis Towers WatsonWTW
22.7%+14.8pp
CVS Health logo
CVS HealthCVS
1.5%-1.1pp
Paychex logo
PaychexPAYX
36.9%-4.6pp

Other financials

Income statement

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Revenue$5.0B+6.5%
Operating income$1.7B+17.4%
Net income$1.2B+25.6%
EPS (diluted)$5.63+27.1%

Balance sheet

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Cash & equivalents$1.2B+22.2%
Total debt$15.3B-16.5%
Total equity$9.8B+40.4%
Total assets$51.4B+2.2%

Cash flow

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Operating cash flow$430.0M+207%
CapEx$67.0M+19.6%
Free cash flow$363.0M+332%

Valuation

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Market cap$69.77B-19.8%
Enterprise value$83.89B-19.6%
P/E17.7×-16.4×
P/S-1.3×

Profitability

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Net margin22.5%+7.0pp

Returns & leverage

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Return on equity46.8%
Debt / equity1.6×-1.1×
Current ratio1.1×0.0×

Where this comes from

Calculated from Aon plc’s reported figures.

Based on trailing twelve months.

The official record: Aon plc’s 10-Q, filed May 1, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Aon plc's operating margin?
Aon plc (AON) reported operating margin of 26.3% in Q1 2026.
How has Aon plc's operating margin changed year-over-year?
Aon plc's operating margin increased by 12.3% year-over-year, from 23.4% to 26.3%.
What is the long-term trend for Aon plc's operating margin?
Over 4 years (2021 to 2025), Aon plc's operating margin has grown at a 3.6% compound annual growth rate (CAGR), from 84.7% to 97.6%.
What does operating margin mean?
The profit left from core operations for every dollar of sales, before interest and taxes.
How do you interpret operating margin?
Expanding operating margin shows operating leverage — revenue growing faster than the cost base. Compression points to rising overhead, pricing pressure, or investment ahead of revenue.
How does operating margin compare across companies?
Strong cross-company signal within a sector. Capital-light businesses sustain higher operating margins than capital-intensive ones.