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Aon (AON) Operating Expenses (2016 - 2025)

Aon has reported Operating Expenses over the past 17 years, most recently at $3.1 billion for Q4 2025.

  • Quarterly results put Operating Expenses at $3.1 billion for Q4 2025, up 1.18% from a year ago — trailing twelve months through Dec 2025 was $12.8 billion (up 8.21% YoY), and the annual figure for FY2025 was $12.8 billion, up 8.21%.
  • Operating Expenses for Q4 2025 was $3.1 billion at Aon, down from $3.2 billion in the prior quarter.
  • Over the last five years, Operating Expenses for AON hit a ceiling of $3.5 billion in Q3 2021 and a floor of $2.1 billion in Q4 2021.
  • Median Operating Expenses over the past 5 years was $2.5 billion (2023), compared with a mean of $2.7 billion.
  • Biggest five-year swings in Operating Expenses: skyrocketed 80.2% in 2021 and later crashed 39.88% in 2022.
  • Aon's Operating Expenses stood at $2.1 billion in 2021, then rose by 0.57% to $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 increased by 1.18% to $3.1 billion in 2025.
  • The last three reported values for Operating Expenses were $3.1 billion (Q4 2025), $3.2 billion (Q3 2025), and $3.3 billion (Q2 2025) per Business Quant data.