30 Fair PaymentHow fast UK companies pay their suppliers
  1. Home
  2. Companies
  3. Thames Water Utilities Limited

Thames Water Utilities Limited

Registered as THAMES WATER UTILITIES LIMITED. Company number 02366661. 17 payment practices reports on file, the latest for the period ending 30 September 2026, filed 29 October 2026.

67days on average to pay

  • Within 30 days
  • 31 to 60 days
  • Over 60 days

In the reporting period from 1 April 2026 to 30 September 2026, Thames Water Utilities Limited reported that it took an average of 67 days to pay its suppliers' invoices. It paid 25% of invoices within 30 days, 25% in 31 to 60 days and 50% after more than 60 days. It said 16% of invoices were not paid within the agreed terms.

That average is faster than 5% of the 6,220 companies whose latest report covers a period ending since May 2025. A year earlier, in the period to 30 September 2025, the average was 63 days, so it is 4 days slower now. It reported construction contracts in this period, and said they include retention clauses.

Average days to pay, report by report

30 61 Mar 2021 60 Sep 2021 59 Mar 2022 60 Sep 2022 58 Mar 2023 59 Sep 2023 58 Mar 2024 64 Sep 2024 61 Mar 2025 63 Sep 2025 60 Mar 2026 67 Sep 2026

Bars are labelled with the month the period ended. The dashed line marks 30 days.

Every report filed

PeriodFiledAverage daysWithin 30 days31 to 60Over 60Not within termsSource
Apr to Sep 2026 29 Oct 2026 67 25%25%50%16% Report
Oct 2025 to Mar 2026 14 May 2026 60 25%32%43%14% Report
Apr to Sep 2025 23 Oct 2025 63 25%33%42%14% Report
Oct 2024 to Mar 2025 29 Apr 2025 61 25%32%43%16% Report
Apr to Sep 2024 28 Oct 2024 64 22%25%53%17% Report
Oct 2023 to Mar 2024 30 Apr 2024 58 25%31%44%28% Report
Apr to Sep 2023 30 Oct 2023 59 23%26%51%18% Report
Oct 2022 to Mar 2023 27 Apr 2023 58 21%27%52%17% Report
Apr to Sep 2022 28 Oct 2022 60 20%19%61%15% Report
Oct 2021 to Mar 2022 29 Apr 2022 59 19%21%60%14% Report
Apr to Sep 2021 28 Oct 2021 60 17%20%63%14% Report
Oct 2020 to Mar 2021 29 Apr 2021 61 15%21%64%11% Report
Apr to Sep 2020 22 Oct 2020 62 15%15%70%12% Report
Oct 2019 to Mar 2020 28 Apr 2020 57 23%23%54%24% Report
Apr to Sep 2019 30 Oct 2019 60 20%21%59%14% Report
Oct 2018 to Mar 2019 30 Apr 2019 59 22%26%52%25% Report
Apr to Sep 2018 13 Nov 2018 60 21%25%54%20% Report

Source: the company's filings on Check payment practices. Contains public sector information licensed under the Open Government Licence v3.0. Figures are as filed. We do not change them.