West Pharmaceutical Services (WST) Tax Rate (2009 - 2026)

West Pharmaceutical Services has disclosed Tax Rate across 18 years of filings, most recently posting 24.82% for Q1 2026.

• Tax Rate for Q1 2026 came in at 24.82%, up 301.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 21.21% (up 95.0% YoY), and the FY2025 annual result was 20.24%, up 188.0% from the prior year.
• Tax Rate came in at 24.82% for Q1 2026 at West Pharmaceutical Services, up from 20.62% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 24.82% in Q1 2026 to a low of 11.29% in Q1 2022.
• The 5-year median for Tax Rate is 19.45% (2022), against an average of 18.61%.
• Across the five-year window, Tax Rate sank 512 bps in 2022 and jumped 894 bps in 2025, its largest moves.
• West Pharmaceutical Services' Tax Rate stood at 22.46% in 2022, then declined by 9 bps to 20.51% in 2023, then rose by 9 bps to 22.32% in 2024, then dropped by 8 bps to 20.62% in 2025, then rose by 20 bps to 24.82% in 2026.
• The last three Tax Rate figures came in at 24.82% (Q1 2026), 20.62% (Q4 2025), and 19.78% (Q3 2025), per Business Quant data.