Companies House
Companies House · Analytics and SEO
UK company records: profiles, officers, filings and ownership
The client pastes their API key from Companies House's settings. We store it encrypted.
Tested against Companies House's live API.
Building with Companies House? The docs have setup steps and code for every tool.
Open the Companies House docsTools
Your agent calls any endpoint of Companies House's API with the request tool, with the client's access attached.
Base URL for request
https://api.company-information.service.gov.uk
request
HTTPS ANY /v1/clients/{clientId}/companies-house/{path}
Any endpoint of Companies House's own API, with the client's access attached.
- servicestringrequired
- This service: companies-house
- methodstringrequired
- GET, POST, PUT, PATCH or DELETE
- pathstringrequired
- The path under https://api.company-information.service.gov.uk
- queryobjectoptional
- Query parameters
- bodyobjectoptional
- A JSON body
Over MCP every tool also takes client_id, from list_clients. Over HTTPS send it as clientId to https://api.operate.as/v1.
What the client approves
- Use the Companies House key you paste, with only the access you gave that key
Get started
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