Structured financials, director networks, and intelligent caching on top of Companies House. Stop wrestling with iXBRL and rate limits — get clean JSON in one call.
# Request
curl -H "X-API-Key: rg_live_..." \
"https://api.registrum.co.uk/v1/company/00445790"
# Response
{
"company_name": "TESCO PLC",
"company_age_years": 104,
"turnover": 68190000000,
"accounts_overdue": false,
"credits_remaining": 49
}
Search any UK company. Click a result to see the enriched profile.
Built on top of the free Companies House API. We handle the hard parts.
iXBRL filings parsed into clean JSON — turnover, net assets, profit/loss, employees. Current and prior year. All values in actual GBP. Explicit data_quality metadata explains exactly what's available and why.
One endpoint traverses the full board network to 2 degrees. Returns all companies sharing directors, sorted by connection strength. Discover related entities that aren't obvious from a single filing.
24h company profiles, 7-day financials. Stale-while-revalidate during CH outages — you get data even when Companies House is down. Never hit the 600-request rate limit again.
Name-to-number matching with optional enriched profiles on results. Pass enrich=true to return full company profiles in a single call — no second round-trip required.
Enter your email below. Your free key arrives instantly — no credit card, no forms.
# 50 free calls per month X-API-Key: rg_live_...
Pass the API key in the header. Any HTTP client works — curl, Python, Node, whatever you use.
curl -H "X-API-Key: rg_live_..." \ ".../v1/company/00445790"
JSON back in milliseconds. Cached, enriched, with explicit metadata about what's available.
{
"company_name": "TESCO PLC",
"turnover": 68190000000
}No setup fees. No hidden costs. Upgrade or cancel any time.
50 free calls per month. Your key arrives in your inbox in seconds. No credit card required.
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