Data sources.
Companies House
The register, filed accounts and their documents, filing history, officers, people with significant control, shareholder lists from confirmation statements, charges
Licence: Open Government Licence v3.0
Find a Tender and Contracts Finder
Public contract notices and awards
Licence: Open Government Licence v3.0
Public bodies' payment files
Payments to suppliers published by councils, NHS bodies and central government, as each body publishes them
Licence: As published by each body: mostly the Open Government Licence; some under Creative Commons Attribution. The body is named on every payment
The Gazette
Insolvency notices
Licence: Open Government Licence v3.0
GOV.UK
Competition and Markets Authority cases, employment tribunal decisions, guidance
Licence: Open Government Licence v3.0
legislation.gov.uk and UK Parliament
Legislation, bills and statutory instruments behind the Regulatory tab
Licence: Open Government Licence v3.0; Open Parliament Licence v3.0
Office for National Statistics
Industry statistics (Annual Business Survey)
Licence: Open Government Licence v3.0
The register and filings arrive daily; other sources on their publishers' schedules. Every figure shows its filing or publication date.