Companies House Public Data API
Governmental read-only REST API suite for live public UK company-register data, including company profiles, registered office addresses, searches, officers and appointments, registers, filing-history metadata, exemption…
Questions this answers
12 · best fit firstCompanies House returns current insolvency status and cases with type, number and dated petition, administration, winding-up, moratorium and case-end milestones for a selected UK company.
Companies House lists officers with appointment and resignation dates and public persons with significant control with nature-of-control and notification or cessation dates.
For a selected UK company, the standing governmental API lists public officer roles with appointment and resignation dates. It directly supplies dated official leadership changes within UK registry coverage, without equating office with ownership or service performance.
For a buyer-selected UK company, the standing Public Data API returns current registered-office scalar address components.
For a buyer-selected UK company, the standing Public Data API profile returns current company name and repeated previous names with effective-from and ceased-on dates.
Companies House returns company number, jurisdiction, type, creation or cessation dates and current company status for a selected UK company; API retrieval time is the status as-of pin.
Companies House charges endpoints return registered company charges with outstanding, part-satisfied or satisfied status, creation, delivery and satisfaction dates, secured details and entitled parties; these are UK charges, not UCC Article 9 filings.
For a resolved PSC identifier, the standing endpoint returns associated companies, nature of control, and notification/cessation dates; same-name identity must be resolved first.
Officer-name search and resolved officer-appointment resources return the companies, roles, appointment dates, and resignation dates associated with a resolved UK officer; PSC notification resources likewise return associated companies and dated natures of control. This identifies shared recorded principals without converting the shared role into common control.
Officer-name search plus resolved officer appointments, and PSC notification lists, return company identity, role and appointment, resignation, notification or cessation dates; same-name identities must be resolved before use.
For a selected UK company, the API returns public persons/entities recorded as significant controllers, control natures, and notification/cessation dates; not exhaustive global UBO.
For a selected UK company, public PSC records identify persons or legal entities with significant control, threshold-coded share/voting/control categories, and notification/cessation dates; not a complete cap table.
Fields it delivers
56 fieldsThe API serves the United Kingdom company register maintained by Companies House, including UK companies and establishments.
The cited first-party API, download, or public-data page provides a standing no-charge route with no subscription, order form, or purchase step. The cited publisher terms or open-license page governs reuse; optional support or downstream services do not change the source access cost.
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