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Companies House API
UK Companies House integration for company data and filings
Overview
Companies House is the UK's registrar of companies, maintaining the register of all UK companies and LLPs. It provides one of the most comprehensive and accessible company data APIs in the world.
Identifiers
| Field | Description | Example |
|---|---|---|
gb_company_number | 8-character company number | 01234567 |
Prefixes indicate jurisdiction: SC (Scotland), NI (Northern Ireland), OC (LLP).
Legal Forms
| Legal Form | Description |
|---|---|
| Ltd | Private limited company |
| PLC | Public limited company |
| LLP | Limited liability partnership |
| LP | Limited partnership |
| CIC | Community interest company |
| Unlimited | Private unlimited company |
| Guarantee | Company limited by guarantee |
| Overseas | Overseas company registered in UK |
Companies House API access requires an API key from your customer portal.
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