Aon (AON) Operating Margin (2009 - 2026)

Aon has reported Operating Margin for 18 years, with the latest figure at 21.55% in Q2 2026.

• On a quarterly basis, Operating Margin rose 88.0% year-over-year to 21.55% in Q2 2026; TTM through Jun 2026 was 26.48%, a 240.0% increase from a year earlier, with the FY2025 full-year figure at 25.28%, up 85.0% from the prior year.
• Operating Margin was 21.55% for Q2 2026 at Aon, down from 34.07% 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 26.56%, with a median of 24.89% recorded in 2022.
• The sharpest annual moves came in 2022 and 2023: Operating Margin jumped 5153 bps in 2022, then tumbled 925 bps in 2023.
• Over 5 years, Operating Margin 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 fell by 23 bps to 21.55% in 2026.
• The last three Operating Margin figures came in at 21.55% (Q2 2026), 34.07% (Q1 2026), and 28.09% (Q4 2025), per Business Quant data.