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CompanyTrack UK Company Data API

UK company search, profiles, filed financials and filing history via a documented REST API. Uses Companies House register and filings for company matching, CRM enrichment and market research. Production API access uses paid plan credits. A fictional sandbox is credit-free with an API key; public website research is free within daily limits. Coverage varies by field and filing.

CompanyTrack UK Company Data API
CompanyTrack UK Company Data API preview interface