Innospec (IOSP) Tax Rate (2010 - 2026)

Innospec (IOSP) posted Tax Rate of 22.81% for Q1 2026, up 586.81% sequentially from 4.68% in Q4 2025, and down 286.0% YoY from 12.26% in Q1 2025.

Innospec (IOSP) Tax Rate (2010 - 2026) Analysis & Trends

Innospec has reported Tax Rate for 17 years, with the latest figure at 22.81% in Q1 2026.

Quarterly Tax Rate fell 286.0% year-over-year to 22.81% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 88.79% (up 6865.0% YoY) and the FY2025 annual result came in at 83.01%, up 6342.0% from the prior year.
Tax Rate advanced to 22.81% in Q1 2026 per IOSP's latest filing, from 4.68% in the prior quarter.
Over five years, Tax Rate peaked at 54.65% in Q4 2022 and troughed at 22.52% in Q4 2023.
A 5-year average of 19.26% and a median of 24.27% in 2022 frame the typical range for Tax Rate.
The sharpest annual moves came in 2022 and 2023: Tax Rate surged 5856 bps in 2022, then tumbled 7716 bps in 2023.
Over 5 years, Tax Rate stood at 54.65% in 2022, then slumped by 141 bps to 22.52% in 2023, then soared by 209 bps to 24.59% in 2024, then tumbled by 119 bps to 4.68% in 2025, then surged by 587 bps to 22.81% in 2026.
According to Business Quant data, Tax Rate over the past three periods registered 22.81%, 4.68%, and 12.17% for Q1 2026, Q4 2025, and Q3 2025 respectively.

#	Company	Market Cap	Enterprise Value	Gross Profit (Qtr)	Tax Rate (Qtr)
1	Linde	225.67 Bn	220.77 Bn	4.43 Bn	23.96%
2	Sherwin Williams	84.74 Bn	84.44 Bn	3.34 Bn	24.17%
3	Ecolab	78.90 Bn	73.77 Bn	1.95 Bn	22.33%
4	Air Products & Chemicals	68.19 Bn	67.21 Bn	1.04 Bn	26.60%
5	Ppg Industries	25.36 Bn	23.77 Bn	1.81 Bn	22.32%
6	Chemical & Mining Co Of Chile	23.48 Bn	19.61 Bn	778.60 Mn	-41.34%
7	LyondellBasell Industries	21.91 Bn	19.28 Bn	2.04 Bn	29.21%
8	International Flavors & Fragrances	21.51 Bn	20.94 Bn	853.00 Mn	48.44%
9	DuPont de Nemours	18.83 Bn	17.09 Bn	639.00 Mn	28.20%
10	Innospec	2.31 Bn	2.06 Bn	138.30 Mn	25.00%

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