UK Companies House
UK Companies House Data from the UK government.
About UK Companies House
The Companies House API provides programmatic access to information about limited companies and other entities registered under the Companies Act 2006 in the UK. Companies House is an executive agency of the Department for Business and Trade responsible for incorporating and dissolving limited companies, and for examining, storing, and publishing company information filed under the Companies Act and related legislation.
The API returns live, real-time data and is described as simple to use and understand. Documentation covers getting started, creating an application, API authentication, developer guidelines, and API testing, alongside a list of API specifications.
The service is aimed at developers building applications that need to retrieve UK company registration data. A developer forum is available for discussion, help, and feedback related to the API.
Key features
- Retrieve live, real-time information about UK limited companies and other companies under the Companies Act 2006
- REST API access to Companies House company data
- API authentication for developer applications
- API testing tools available
- Documented API specifications provided
Frequently asked questions
What data can I access through the API?
You can retrieve live, real-time information about limited companies and other companies that fall within the Companies Act 2006.
Who provides this API?
Companies House, an executive agency of the UK Department for Business and Trade, provides the API as part of its role to store and make company information available to the public.
Is this a REST API?
Yes, it is described as the Companies House REST API.
How do I get started and authenticate?
There is a get-started guide for creating an application and a documented API authentication process.
Is there support if I have questions?
Yes, there is a Developer Forum where you can discuss the API, find help, and provide feedback.
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