30 Fair PaymentHow fast UK companies pay their suppliers
  1. Home
  2. Companies
  3. SP Transmission PLC

SP Transmission PLC

Registered as SP TRANSMISSION PLC. Company number SC189126. 17 payment practices reports on file, the latest for the period ending 30 June 2026, filed 21 July 2026.

35days on average to pay

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

In the reporting period from 1 January 2026 to 30 June 2026, SP Transmission PLC reported that it took an average of 35 days to pay its suppliers' invoices. It paid 69% of invoices within 30 days, 24% in 31 to 60 days and 7% after more than 60 days. It said 28% of invoices were not paid within the agreed terms.

That average is faster than 39% of the 6,220 companies whose latest report covers a period ending since May 2025. A year earlier, in the period to 30 June 2025, the average was 36 days, so it is 1 day faster now. It reported construction contracts in this period, with no retention clauses.

Average days to pay, report by report

30 29 Dec 2020 38 Jun 2021 31 Dec 2021 32 Jun 2022 33 Dec 2022 35 Jun 2023 31 Dec 2023 32 Jun 2024 33 Dec 2024 36 Jun 2025 34 Dec 2025 35 Jun 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
Jan to Jun 2026 21 Jul 2026 35 69%24%7%28% Report
Jul to Dec 2025 30 Jan 2026 34 80%14%6%25% Report
Jan to Jun 2025 24 Jul 2025 36 65%27%8%35% Report
Jul to Dec 2024 28 Jan 2025 33 81%13%6%25% Report
Jan to Jun 2024 25 Jul 2024 32 78%18%4%20% Report
Jul to Dec 2023 25 Jan 2024 31 84%11%5%26% Report
Jan to Jun 2023 27 Jul 2023 35 74%19%7%23% Report
Jul to Dec 2022 26 Jan 2023 33 82%11%7%29% Report
Jan to Jun 2022 28 Jul 2022 32 74%21%5%27% Report
Jul to Dec 2021 27 Jan 2022 31 86%8%6%23% Report
Jan to Jun 2021 26 Jul 2021 38 84%8%8%21% Report
Jul to Dec 2020 27 Jan 2021 29 88%8%4%21% Report
Jan to Jun 2020 27 Jul 2020 31 84%9%7%23% Report
Jul to Dec 2019 23 Jan 2020 32 85%9%6%20% Report
Jan to Jun 2019 26 Jul 2019 39 75%13%12%30% Report
Jul to Dec 2018 23 Jan 2019 31 82%10%8%27% Report
Jan to Jun 2018 26 Jul 2018 28 78%12%10%61% 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.