Aon (AON) Net Margin (2009 - 2026)

Aon's (AON) quarterly Net Margin came in at 24.61% in Q1 2026, up 385.0% year-on-year from 5.07% in Q1 2025, and down 37.89% quarter-over-quarter from 39.63% in Q4 2025.

Aon (AON) Net Margin (2009 - 2026) Analysis & Trends

Aon's Net Margin history runs 18 years deep, the most recent figure standing at 24.61% for Q1 2026.

  • On a quarterly basis, Net Margin rose 385.0% year-over-year to 24.61% in Q1 2026; TTM through Mar 2026 was 22.92%, a 697.0% increase from a year earlier, with the FY2025 full-year figure at 21.83%, up 450.0% from the prior year.
  • Net Margin retreated to 24.61% in Q1 2026 per AON's latest filing, from 39.63% in the prior quarter.
  • Across five years, Net Margin topped out at 39.63% in Q4 2025 and bottomed at 9.54% in Q3 2024.
  • The 5-year median for Net Margin is 17.7% (2024), against an average of 19.93%.
  • Biggest YoY gain for Net Margin was 4881 bps in 2022; the steepest drop was 707 bps in 2022.
  • Year by year, Net Margin stood at 21.28% in 2022, then declined by 29 bps to 15.02% in 2023, then increased by 18 bps to 17.7% in 2024, then surged by 124 bps to 39.63% in 2025, then sank by 38 bps to 24.61% in 2026.
  • Per Business Quant, the three latest AON Net Margin figures stand at 24.61% (Q1 2026), 39.63% (Q4 2025), and 11.76% (Q3 2025).

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Net Margin (Qtr)
1 XChange TEC.INC 120,003.58 Bn 120,003.57 Bn - -
2 Marsh & Mclennan Companies 88.46 Bn 76.26 Bn 6.04 Bn 17.44%
3 Aon 79.05 Bn 77.63 Bn - 24.61%
4 Arthur J. Gallagher 65.47 Bn 64.06 Bn - 17.30%
5 Willis Towers Watson 28.80 Bn 26.95 Bn 1.98 Bn 12.95%
6 Brown & Brown 23.45 Bn 22.45 Bn 1.61 Bn 22.46%
7 Neptune Insurance Holdings 4.20 Bn 4.19 Bn 26.44 Mn 19.44%
8 Accelerant Holdings 3.28 Bn 1.74 Bn 48.00 Mn -4.01%
9 Corvel 3.13 Bn 2.79 Bn 54.92 Mn 10.26%
10 Baldwin Insurance 2.52 Bn 2.38 Bn - -56.82%

Historic Data

Download Data
DateValue
Mar 31, 2026 24.61%
Dec 31, 2025 39.63%
Sep 30, 2025 11.76%
Jun 30, 2025 14.30%
Mar 31, 2025 20.77%
Dec 31, 2024 17.70%
Sep 30, 2024 9.54%
Jun 30, 2024 14.31%
Mar 31, 2024 26.86%
Dec 31, 2023 15.02%
Sep 30, 2023 15.81%
Jun 30, 2023 18.10%
Mar 31, 2023 27.87%
Dec 31, 2022 21.28%
Sep 30, 2022 15.50%
Jun 30, 2022 17.23%
Mar 31, 2022 28.56%
Dec 31, 2021 28.34%
Sep 30, 2021 -33.31%
Jun 30, 2021 13.13%