Companies House
Look up UK companies, check their directors and read recent filing records without leaving your AI assistant.
What you can do
- Find a company by name or registration number.
- Check its registered details, directors and ownership records.
- Review recent filings, registered charges and insolvency records.
Tools powered by Companies House
Try asking your assistant
Use ToolRouter to look up Tesco PLC, company number 00445790. Show its company status, directors and three most recent filings, with links to Companies House.
Getting started
Connect ToolRouter to your assistant, then open Company Lookup. Our tested example worked without a separate Companies House key. You can also save your own key in provider settings.
Cost
Company profiles and filing history are free on ToolRouter. Extracting figures from accounts is a separate paid action. Your AI assistant may have its own charges.
See the Tesco example and full setup guide →
Coverage and things to know
- Covers UK companies. For US filings use SEC EDGAR; for international parent-company records use GLEIF.
- An active registration does not tell you whether a company is financially healthy or suitable to hire.
- Some records or fields may be missing. Check important details against the official register.
Source documentation: Companies House API, Official company register · Reviewed
Related data sources
Frequently Asked Questions
How do I use Companies House with Claude?
Connect ToolRouter using the Claude setup guide. Then ask for a company by name or number. Company Lookup can return its registered details and recent filings.
Which tools use Companies House?
Company Lookup provides UK register searches. Construction Manager can use Companies House to look up a UK company and may use OpenCorporates instead; check the source shown in the result.
Is ToolRouter part of Companies House?
No. ToolRouter is an independent service that uses Companies House data.