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Relative Growth: Rel. Growth: 73
Relative Strength: Rel. Strength: 29
Relative Valuation: Rel. Valuation: 75
Relative Profitability: Rel. Profitability: 99
Gross margin
100%
Operating margin
26.5%
EBITDA margin
37.9%
Net margin
22.3%

Based on the latest figures, Aon reports a gross margin of 100%, an operating margin of 26.5%, an EBITDA margin of 37.9%, and a net margin of 22.3%. EBITDA margin led the reported margin gains with 8 percentage points, while the other margins did not change.

AON margin history

Gross, operating, EBITDA and net margin trends

Over the last 3 years, Aon recorded average margins of 100% gross, 25.88% operating, 31.84% EBITDA, and 18.63% net. At Aon, operating, EBITDA, and net margins are above their three-year averages.

AON margin expansion

Year-over-year margin changes in percentage points

Operating margin expanded by 2.4 percentage points, EBITDA margin by 8 percentage points, and net margin by 6.8 percentage points, while gross margin was unchanged.

Gross margin expansion
0pp
Operating margin expansion
2.4pp
EBITDA margin expansion
8pp
Net margin expansion
6.8pp

AON Gross margin

Over the last 3 years, Aon had an average gross margin of 100%. The latest gross margin for Aon is 100%, in line with its three-year average. Looking back over the last 3 years, Aon's gross margin reached 100% at its highest point in Jun 2026 and 100% at its lowest in Sep 2023.

AON Operating margin

Over the last 3 years, Aon's operating margin averaged 25.88%. Currently, Aon's current operating margin is 26.5%, which is 0.6 percentage points above its three-year average. During this period, operating margin reached a high of 30.6% in Sep 2023 and a low of 23.4% in Mar 2025.

AON EBITDA margin

Over the last 3 years, the average EBITDA margin for Aon was 31.84%. Aon's current EBITDA margin is 37.9% and is 6.1 percentage points above its three-year average. Aon's EBITDA margin ranged from a low of 28.7% in Dec 2023 to a high of 38.3% in Mar 2026.

AON Net margin

Aon's net margin averaged 18.63% over the last 3 years. Compared with its three-year average, Aon's current net margin is 22.3% and is 3.7 percentage points above its three-year average. Over the last 3 years, Aon's net margin peaked at 22.5% in Mar 2026 and reached a low of 15.5% in Jun 2025.

AON margin group comparison

Margins compared with peer-group, industry and sector averages

With a gross margin of 100%, AON is above the Financial Services sector and the industry average. Compared to its Financial Services sector average of 84%, Aon's gross margin is 19% higher.

AON margin peer comparison

Compare margins with selected peers

Frequently asked questions

What is Aon's gross margin?

For the period ending Jun 30, 2026, AON recorded a gross margin of 100%.

What is Aon's operating margin?

The current operating margin for AON is 26.5% as of Jun 30, 2026.

What is Aon's EBITDA margin?

As of Jun 30, 2026, AON has an EBITDA margin of 37.9%.

What is Aon's net margin?

For the period ending Jun 30, 2026, AON recorded a net margin of 22.3%.

What are the average margins of AON?

Over the past 3 years, AON reported average margins of 100.0% gross, 25.9% operating, 31.8% EBITDA, and 18.6% net.

What are the highest historical margins of AON?

Over this 5-year history, AON peaked at 100% gross in Jun 2026, 30.6% operating in Sep 2023, 38.3% EBITDA in Mar 2026, and 22.5% net in Mar 2026.

What are the lowest historical margins of AON?

Aon's lowest recorded margins during the past 5 years were 100% gross in Sep 2021, 15.1% operating in Sep 2021, 17.6% EBITDA in Sep 2021, and 7.6% net in Sep 2021.