Aon (AON) Goodwill (2009 - 2026)

Aon's Goodwill history runs 18 years deep, the most recent figure standing at $15.9 billion for Q1 2026.

• On a quarterly basis, Goodwill rose 1.45% year-over-year to $15.9 billion in Q1 2026; TTM through Mar 2026 was $15.9 billion, a 1.45% increase from a year earlier, with the FY2025 full-year figure at $15.8 billion, up 3.7% from the prior year.
• Goodwill advanced to $15.9 billion in Q1 2026 per AON's latest filing, from $15.8 billion in the prior quarter.
• Across five years, Goodwill topped out at $15.9 billion in Q1 2026 and bottomed at $6.8 billion in Q2 2025.
• The 5-year median for Goodwill is $8.4 billion (2023), against an average of $11.2 billion.
• Across the five-year window, Goodwill soared 89.35% in 2024 and tumbled 55.25% in 2025, its largest moves.
• Year by year, Goodwill stood at $8.3 billion in 2022, then climbed by 1.47% to $8.4 billion in 2023, then jumped by 81.06% to $15.2 billion in 2024, then rose by 3.7% to $15.8 billion in 2025, then climbed by 0.81% to $15.9 billion in 2026.
• Per Business Quant, the three latest AON Goodwill figures stand at $15.9 billion (Q1 2026), $15.8 billion (Q4 2025), and $15.7 billion (Q3 2025).