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Aon plc AON Net margin

Net margin at other companies

Marsh logo
MarshMRSH
14.3%-1.9pp
Brown & Brown logo
Brown & BrownBRO
17.9%-2.9pp
Arthur J. Gallagher logo
Arthur J. GallagherAJG
10.8%-2.2pp
Willis Towers Watson logo
Willis Towers WatsonWTW
16.8%
Ares Management Corporation logo
Ares Management CorporationARES
10.5%+0.3pp
American International Group logo
American International GroupAIG
11.9%+8.6pp

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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Operating margin26.3%+2.9pp

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 net margin?
Aon plc (AON) reported net margin of 22.5% in Q1 2026.
How has Aon plc's net margin changed year-over-year?
Aon plc's net margin increased by 44.7% year-over-year, from 15.6% to 22.5%.
What is the long-term trend for Aon plc's net margin?
Over 4 years (2021 to 2025), Aon plc's net margin has grown at a 6.4% compound annual growth rate (CAGR), from 53.4% to 68.6%.
What does net margin mean?
The share of every sales dollar that becomes bottom-line profit.
How do you interpret net margin?
Higher is better, but net margin mixes operating performance with financing and tax effects and one-off items — read it alongside operating margin to separate the operating story from the rest.
How does net margin compare across companies?
Comparable across peers but sensitive to leverage and tax structure; two operationally identical firms can show different net margins purely from financing.