Diamond Light Source Limited
Registered as DIAMOND LIGHT SOURCE LIMITED. Company number 04375679. 17 payment practices reports on file, the latest for the period ending 30 September 2026, filed 26 October 2026.
28days 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, Diamond Light Source Limited reported that it took an average of 28 days to pay its suppliers' invoices. It paid 87% of invoices within 30 days, 10% in 31 to 60 days and 3% after more than 60 days. It said 13% of invoices were not paid within the agreed terms.
That average is faster than 58% of the 6,220 companies whose latest report covers a period ending since May 2025. It is unchanged on the same period a year earlier (to 30 September 2025). It reported construction contracts in this period, and said they include retention clauses.
Average days to pay, report by report
Bars are labelled with the month the period ended. The dashed line marks 30 days.
Every report filed
| Period | Filed | Average days | Within 30 days | 31 to 60 | Over 60 | Not within terms | Source |
|---|---|---|---|---|---|---|---|
| Apr to Sep 2026 | 26 Oct 2026 | 28 | 87% | 10% | 3% | 13% | Report |
| Oct 2025 to Mar 2026 | 23 Apr 2026 | 27 | 87% | 11% | 2% | 14% | Report |
| Apr to Sep 2025 | 30 Oct 2025 | 28 | 89% | 9% | 2% | 11% | Report |
| Oct 2024 to Mar 2025 | 8 Apr 2025 | 27 | 90% | 8% | 2% | 11% | Report |
| Apr to Sep 2024 | 24 Oct 2024 | 27 | 90% | 9% | 1% | 11% | Report |
| Oct 2023 to Mar 2024 | 22 Apr 2024 | 28 | 88% | 9% | 3% | 12% | Report |
| Apr to Sep 2023 | 16 Oct 2023 | 30 | 75% | 22% | 3% | 26% | Report |
| Oct 2022 to Mar 2023 | 25 Apr 2023 | 28 | 87% | 10% | 3% | 13% | Report |
| Apr to Sep 2022 | 18 Oct 2022 | 30 | 86% | 10% | 4% | 15% | Report |
| Oct 2021 to Mar 2022 | 14 Apr 2022 | 29 | 84% | 12% | 4% | 16% | Report |
| Apr to Sep 2021 | 21 Oct 2021 | 29 | 85% | 10% | 5% | 15% | Report |
| Oct 2020 to Mar 2021 | 21 Apr 2021 | 30 | 81% | 13% | 6% | 19% | Report |
| Apr to Sep 2020 | 21 Oct 2020 | 32 | 79% | 16% | 6% | 22% | Report |
| Oct 2019 to Mar 2020 | 11 May 2020 | 30 | 82% | 14% | 4% | 15% | Report |
| Apr to Sep 2019 | 23 Oct 2019 | 34 | 78% | 15% | 8% | 23% | Report |
| Oct 2018 to Mar 2019 | 30 Apr 2019 | 33 | 73% | 21% | 6% | 28% | Report |
| Apr to Sep 2018 | 23 Oct 2018 | 32 | 72% | 22% | 6% | 28% | 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.