Aon (AON) Operating Expenses (2009 - 2026)

Aon's Operating Expenses history runs 18 years deep, the most recent figure standing at $3.3 billion for Q1 2026.

• In Q1 2026, Operating Expenses rose 1.56% year-over-year to $3.3 billion; the TTM figure through Mar 2026 stood at $12.9 billion (up 2.89% YoY), while the FY2025 annual figure was $12.8 billion, up 8.21% from the prior year.
• Operating Expenses was $3.3 billion for Q1 2026 at Aon, up from $3.1 billion in the prior quarter.
• In the past five years, Operating Expenses ranged from a high of $3.3 billion in Q1 2026 to a low of $2.1 billion in Q3 2022.
• Historically, Operating Expenses has averaged $2.7 billion across 5 years, with a median of $2.6 billion in 2024.
• The sharpest annual moves came in 2022 and 2024: Operating Expenses tumbled 39.88% in 2022, then soared 36.96% in 2024.
• A 5-year view of Operating Expenses shows it stood at $2.1 billion in 2022, then climbed by 22.57% to $2.6 billion in 2023, then climbed by 17.72% to $3.1 billion in 2024, then gained by 1.18% to $3.1 billion in 2025, then gained by 7.34% to $3.3 billion in 2026.
• The last three Operating Expenses figures came in at $3.3 billion (Q1 2026), $3.1 billion (Q4 2025), and $3.2 billion (Q3 2025), per Business Quant data.