The Government Says

Department for Business and Trade (DBT) prompt payment data July to September 2025

Department for Business and Trade (DBT) prompt payment data July to September 2025
Local copy of dbt-prompt-payment-data-july-to-september-2025.csv

https://www.gov.uk/government/publications/department-for-business-and-trade-dbt-prompt-payment-data-july-to-september-2025

seen at 11:43, 16 December in Transparency and freedom of information releases.