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.

• On a quarterly basis, Operating Expenses rose 1.56% year-over-year to $3.3 billion in Q1 2026; TTM through Mar 2026 was $12.9 billion, a 2.89% increase from a year earlier, with the FY2025 full-year figure at $12.8 billion, up 8.21% from the prior year.
• Operating Expenses rose to $3.3 billion in Q1 2026 per AON's latest filing, from $3.1 billion in the prior quarter.
• Across five years, Operating Expenses topped out at $3.3 billion in Q1 2026 and bottomed at $2.1 billion in Q3 2022.
• The 5-year median for Operating Expenses is $2.6 billion (2024), against an average of $2.7 billion.
• Across the five-year window, Operating Expenses tumbled 39.88% in 2022 and surged 36.96% in 2024, its largest moves.
• Year by year, Operating Expenses 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.
• Per Business Quant, the three latest AON Operating Expenses figures stand at $3.3 billion (Q1 2026), $3.1 billion (Q4 2025), and $3.2 billion (Q3 2025).