Aon (AON) Operating Expenses (2009 - 2026)

Aon has reported Operating Expenses for 18 years, with the latest figure at $3.3 billion in Q1 2026.

• For the quarter ending Q1 2026, Operating Expenses rose 1.56% year-over-year to $3.3 billion; the trailing twelve-month figure through Mar 2026 stood at $12.9 billion (up 2.89% YoY), and the FY2025 full-year result was $12.8 billion, up 8.21% from the prior year.
• Operating Expenses for Q1 2026 stood at $3.3 billion, up from $3.1 billion in the prior quarter.
• The five-year high for Operating Expenses was $3.3 billion in Q1 2026, with the low at $2.1 billion in Q3 2022.
• Average Operating Expenses over 5 years is $2.7 billion, with a median of $2.6 billion recorded in 2024.
• Year-over-year, Operating Expenses tumbled 39.88% in 2022 and surged 36.96% in 2024.
• Tracing AON's Operating Expenses over 5 years: stood at $2.1 billion in 2022, then grew by 22.57% to $2.6 billion in 2023, then grew by 17.72% to $3.1 billion in 2024, then advanced by 1.18% to $3.1 billion in 2025, then advanced 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.

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