Arthur J. Gallagher (AJG) Tax Rate (2009 - 2026)

Arthur J. Gallagher's Tax Rate history runs 18 years deep, the most recent figure standing at 21.09% for Q1 2026.

• Quarterly Tax Rate rose 231.0% year-over-year to 21.09% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 20.78% (up 13.0% YoY) and the FY2025 annual result came in at 19.67%, down 188.0% from the prior year.
• Tax Rate was 21.09% for Q1 2026 at Arthur J. Gallagher, up from 14.28% in the prior quarter.
• Across five years, Tax Rate topped out at 63.53% in Q4 2022 and bottomed at 14.28% in Q4 2025.
• A 5-year average of 24.64% and a median of 21.09% in 2026 frame the typical range for Tax Rate.
• Annual changes were most pronounced in 2022 — Tax Rate surged 6060 bps — and 2024, when it plunged 2951 bps.
• Arthur J. Gallagher's Tax Rate stood at 63.53% in 2022, then declined by 18 bps to 51.88% in 2023, then tumbled by 57 bps to 22.38% in 2024, then plunged by 36 bps to 14.28% in 2025, then jumped by 48 bps to 21.09% in 2026.
• Business Quant data shows AJG's Tax Rate at 21.09% in Q1 2026, 14.28% in Q4 2025, and 21.13% in Q3 2025.