Companies House API
UK gov open API for company registry, filings, and officers.
Our Verdict
The canonical source for UK company data—free, dependable, and essential for any UK KYB stack.
Pros
- Free, authoritative UK company data
- Stable government-run endpoint
- Covers filings, officers, PSCs
- Solid base for KYB tools
Cons
- Rate limits tight on free tier
- Search is basic and imprecise
- Historical data gaps exist
- No SDKs, REST only
Best for: KYB, fintech, and compliance tools needing UK company registry data
Not for: Teams wanting rich, pre-enriched global company intelligence
When to Use Companies House API
Good fit if you need
- KYB verification using UK company registry data
- Automated director/officer checks for onboarding
- Filing date monitoring for compliance alerts
- Company data enrichment for B2B sales intelligence
- Open data integration for legal due diligence tools
Pricing
Price wrong?Companies House API Pricing
- Pricing Model
- free
- Free Tier
- Yes
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
1,000
1001K10K100K1M
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Lock-in Assessment
Low 5/5
Lock-in Score 5/5
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