Growth Metrics

Aon (AON) Operating Margin (2009 - 2026)

Aon's quarterly Operating Margin came in at 34.07% in Q1 2026, up 317.0% year-on-year from 8.17% in Q1 2025, and up 21.27% quarter-over-quarter from 28.09% in Q4 2025.

Aon has reported Operating Margin for 18 years, with the latest figure at 34.07% in Q1 2026.

  • For the quarter ending Q1 2026, Operating Margin rose 317.0% year-over-year to 34.07%; the trailing twelve-month figure through Mar 2026 stood at 26.3% (up 287.0% YoY), and the FY2025 full-year result was 25.28%, up 85.0% from the prior year.
  • Operating Margin for Q1 2026 stood at 34.07%, up from 28.09% in the prior quarter.
  • The five-year high for Operating Margin was 38.05% in Q1 2023, with the low at 16.74% in Q3 2024.
  • Average Operating Margin over 5 years is 26.86%, with a median of 26.31% recorded in 2024.
  • Year-over-year, Operating Margin surged 5153 bps in 2022 and plunged 925 bps in 2023.
  • Tracing AON's Operating Margin over 5 years: stood at 32.33% in 2022, then fell by 29 bps to 23.08% in 2023, then advanced by 14 bps to 26.31% in 2024, then gained by 7 bps to 28.09% in 2025, then increased by 21 bps to 34.07% in 2026.
  • The last three Operating Margin figures came in at 34.07% (Q1 2026), 28.09% (Q4 2025), and 20.42% (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Operating Margin (Qtr)
1 Aon 69.60 Bn 68.21 Bn - 34.07%
2 Arthur J. Gallagher 52.64 Bn 51.26 Bn - -
3 Willis Towers Watson 24.45 Bn 22.68 Bn 1.98 Bn 18.96%
4 Brown & Brown 19.37 Bn 18.39 Bn 1.61 Bn 83.90%
5 XChange TEC.INC 6.95 Bn 6.95 Bn - -
6 Accelerant Holdings 3.83 Bn 2.32 Bn 48.00 Mn 9.32%
7 Corvel 3.22 Bn 2.87 Bn 54.92 Mn 13.68%
8 Baldwin Insurance 1.84 Bn 2.28 Bn - -19.15%
9 Goosehead Insurance 1.01 Bn 899.53 Mn - 16.11%
10 Twfg 279.02 Mn 351.22 Mn - 16.96%

Historic Data

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DateValue
Mar 31, 2026 34.07%
Dec 31, 2025 28.09%
Sep 30, 2025 20.42%
Jun 30, 2025 20.67%
Mar 31, 2025 30.89%
Dec 31, 2024 26.31%
Sep 30, 2024 16.74%
Jun 30, 2024 17.45%
Mar 31, 2024 36.00%
Dec 31, 2023 23.08%
Sep 30, 2023 23.40%
Jun 30, 2023 26.50%
Mar 31, 2023 38.05%
Dec 31, 2022 32.33%
Sep 30, 2022 21.88%
Jun 30, 2022 23.47%
Mar 31, 2022 37.25%
Dec 31, 2021 31.62%
Sep 30, 2021 -29.64%
Jun 30, 2021 23.28%
Mar 31, 2021 35.32%
Dec 31, 2020 24.05%
Sep 30, 2020 18.49%
Jun 30, 2020 23.79%
Mar 31, 2020 32.09%
Dec 31, 2019 18.16%
Sep 30, 2019 15.13%
Jun 30, 2019 15.85%
Mar 31, 2019 27.74%
Dec 31, 2018 18.01%
Sep 30, 2018 11.15%
Jun 30, 2018 -0.62%
Mar 31, 2018 25.86%
Dec 31, 2017 20.66%
Sep 30, 2017 10.94%
Jun 30, 2017 -5.36%
Mar 31, 2017 335.00%
Dec 31, 2016 17.47%
Sep 30, 2016 16.72%
Jun 30, 2016 16.96%
Mar 31, 2016 18.45%
Dec 31, 2015 20.33%
Sep 30, 2015 15.37%
Jun 30, 2015 10.86%
Mar 31, 2015 16.08%
Dec 31, 2014 19.25%
Sep 30, 2014 14.48%
Jun 30, 2014 15.24%
Mar 31, 2014 15.91%
Dec 31, 2013 16.05%
Sep 30, 2013 13.03%
Jun 30, 2013 13.19%
Mar 31, 2013 14.07%
Dec 31, 2012 14.80%
Sep 30, 2012 12.39%
Jun 30, 2012 13.97%
Mar 31, 2012 14.15%
Dec 31, 2011 14.36%
Sep 30, 2011 12.05%
Jun 30, 2011 15.65%
Mar 31, 2011 14.43%
Dec 31, 2010 14.51%
Sep 30, 2010 14.60%
Jun 30, 2010 14.12%
Mar 31, 2010 14.34%
Dec 31, 2009 11.63%
Sep 30, 2009 10.81%
Jun 30, 2009 11.69%
Mar 31, 2009 19.83%