CompaniesInTheUK

TETRA TECH LIMITED

Company number 01959704 ·

Active

Gender pay gap

In the 2025/26 reporting year, women's median hourly pay here was 25.29% lower than men's (1000 to 4999 employees).

That puts it in the bottom quarter for pay parity — closer to an equal median than 16% of the 9,642 employers who reported for 2025/26. See the pay gap league table.

Within architectural and engineering activities; technical testing and analysis it is in the bottom quarter of 87 sector employers who reported.

-20.0% to -17.5%: 122 employers -17.5% to -15.0%: 40 employers -15.0% to -12.5%: 52 employers -12.5% to -10.0%: 82 employers -10.0% to -7.5%: 95 employers -7.5% to -5.0%: 125 employers -5.0% to -2.5%: 250 employers -2.5% to 0.0%: 553 employers 0.0% to 2.5%: 1,886 employers 2.5% to 5.0%: 835 employers 5.0% to 7.5%: 698 employers 7.5% to 10.0%: 599 employers 10.0% to 12.5%: 578 employers 12.5% to 15.0%: 527 employers 15.0% to 17.5%: 487 employers 17.5% to 20.0%: 438 employers 20.0% to 22.5%: 388 employers 22.5% to 25.0%: 356 employers 25.0% to 27.5%: 302 employers 27.5% to 30.0%: 253 employers 30.0% to 32.5%: 197 employers 32.5% to 35.0%: 159 employers 35.0% to 37.5%: 131 employers 37.5% to 40.0%: 489 employers -20% -10% 0 +10% +20% +30% +40% ← women paid more men paid more → this company

All 9,642 reporting employers for 2025/26 by median gap. 0 is equal pay; bars right of it are employers where men's median pay is higher, bars left of it where women's is.

0 +20% +40% +60% +80% +100% 2017/18 2018/19 2020/21 2021/22 2022/23 2023/24 2024/25 2025/26 2017/18: 46.9% 2018/19: 42.6% 2020/21: 64.3% 2021/22: 36.3% 2022/23: 28.6% 2023/24: 23.6% 2024/25: 27.27% 2025/26: 25.29% Median gap 2017/18: 35.7% 2018/19: 42.3% 2020/21: 41.8% 2021/22: 28.7% 2022/23: 27% 2023/24: 20.92% 2024/25: 24.38% 2025/26: 22.37% Mean gap 2017/18: 100% 2020/21: 74.1% 2021/22: 92.6% 2022/23: 50% 2023/24: 0% 2024/25: 20% 2025/26: 33.33% Median bonus gap

The gap has narrowed since the 46.9% reported for 2017/18.

YearMedian gapMean gapBonus gap Women in top pay quartileWomen in lowest
2025/26 25.29% 22.37% 33.33% 15.8% 45.7%
2024/25 27.27% 24.38% 20% 15.2% 48.7%
2023/24 23.6% 20.92% 0% 14.9% 43.3%
2022/23 28.6% 27% 50% 11.5% 45.2%
2021/22 36.3% 28.7% 92.6% 3.7% 44%
2020/21 64.3% 41.8% 74.1% 1% 54%
2018/19 42.6% 42.3% — 1% 50%
2017/18 46.9% 35.7% 100% 1% 45%

Reported by the employer under the gender pay gap regulations — full report on the official service. Contains public sector information licensed under the Open Government Licence v3.0.