UK Companies House API
Official API published by Companies House, the UK government agency responsible for incorporating and dissolving companies. It provides access to company registration data, including company profiles, registered addresses, officers, filing history, insolvency information, and persons with significant control. Access requires an API key. The data covers companies registered in the United Kingdom and is used for verifying company details, conducting due diligence, and integrating official company records into business and compliance applications.UK Companies House API — official public-data API published by Companies House (UK).
Trust score
How is this computed?Weighted across five axes. Tap a ring for what it measures.
Data access
This API doesn't publish a machine-readable schema (such as an OpenAPI spec) that we can read automatically, so there's no field list to show here. See the documentation for its available endpoints and response formats.
Verification Status
Using the API
Configuration
- Base URL
- https://api.company-information.service.gov.uk
Query examples
Stored only in this browser. Runs go directly from your browser to the API — the key is never sent through our servers.
curl -s 'https://api.company-information.service.gov.uk' -H 'Accept: application/json'Base API endpoint — see the documentation for available routes.
Machine-readable & source
Embed this badge in a README or wiki — it always shows the latest verification state and quality tier.