Data provenance

Registry sources

Where company information comes from and how it should be interpreted.

Companies House

CFile uses the Companies House API to retrieve current public information about UK companies. Search the Companies House service directly whenever you need the source record.

Direct company information

Companies can also provide information for inclusion in CFile. This helps keep company profiles complete and useful.

Record updates

Live source information is retrieved when records are searched or opened. Directly supplied information is updated when revised details are received.

Questions about a record

If you notice outdated or incorrect information, use our corrections process and include the company name, company number and details concerned.

Last updated: 19 August 2026