UK Companies House for AI agents

Company search, profiles, officers, owners, filings and new incorporations from the official register. Call it from any agent over MCP or REST, no key needed to start.

Connect

MCP server (Streamable HTTP): https://ukdata.reliness.co.uk/mcp/uk-companies

claude mcp add --transport http uk-companies https://ukdata.reliness.co.uk/mcp/uk-companies

{
  "mcpServers": {
    "uk-data": {
      "url": "https://ukdata.reliness.co.uk/mcp/uk-companies"
    }
  }
}

Tools

company_search

Search Companies House by name. Returns company number, status, type, incorporation date, address. 1 credit.

company_profile

Full Companies House profile for a company number: status, SIC codes, registered office, accounts and confirmation statement due dates and overdue flags, charges and insolvency flags. 1 credit.

company_officers

Directors and secretaries for a company number, with appointment and resignation dates. 1 credit.

company_pscs

Persons with significant control (beneficial owners) for a company number. 1 credit.

company_filings

Filing history for a company number (accounts, confirmation statements, officer changes, charges). 1 credit.

companies_incorporated

Find companies by incorporation date range, SIC codes, status, location or name fragment (Companies House advanced search). New-business lead lists. 2 credits.

Every caller gets 25 free credits a day without a key. For more, get a free key with 300 credits at ukdata.reliness.co.uk. All tools: UK data tools for AI agents.