Aon (AON) Return on Capital Employed (2009 - 2026)

Aon's Return on Capital Employed history runs 18 years deep, the most recent figure standing at 17.31% for Q1 2026.

• On a quarterly basis, Return on Capital Employed rose 274.0% year-over-year to 17.31% in Q1 2026; TTM through Mar 2026 was 17.31%, a 274.0% increase from a year earlier, with the FY2025 full-year figure at 16.3%, down 447.0% from the prior year.
• Return on Capital Employed advanced to 17.31% in Q1 2026 per AON's latest filing, from 15.52% in the prior quarter.
• Across five years, Return on Capital Employed topped out at 32.1% in Q2 2023 and bottomed at 12.33% in Q3 2024.
• The 5-year median for Return on Capital Employed is 17.19% (2022), against an average of 21.09%.
• Across the five-year window, Return on Capital Employed surged 1514 bps in 2022 and slumped 1734 bps in 2024, its largest moves.
• Year by year, Return on Capital Employed stood at 31.47% in 2022, then advanced by 1 bps to 31.85% in 2023, then tumbled by 54 bps to 14.51% in 2024, then increased by 7 bps to 15.52% in 2025, then gained by 11 bps to 17.31% in 2026.
• Per Business Quant, the three latest AON Return on Capital Employed figures stand at 17.31% (Q1 2026), 15.52% (Q4 2025), and 15.25% (Q3 2025).