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UK Companies House Official Company Lookup
x402
UK Companies House Official Company Lookup is a paid API for AI agents from agentdata-api.sander-van-aard.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Looks up a UK company by number or name against the official Companies House register, returning status, type, dates, address, SIC codes, insolvency flags, and charges.
Price / call$0.01
Success—
StatusUnknown
How this service works
Official UK company check from the Companies House register. Look up by company number (exact) or search by name (up to 5 candidates). Returns official name, status (active/dissolved/liquidation), type, incorporation and cessation dates, registered office, SIC codes, and the register's insolvency-history and charges flags, with a direct Companies House link. Companies only.
Output
Returns the official company name, current status (active/dissolved/liquidation/etc.), company type, incorporation and cessation dates, registered office address, SIC codes, boolean flags for insolvency history and charges, and a direct link to the Companies House record. Up to 5 candidates returned when searching by name.
Example use cases
Verify counterparty legal standing before contract
“Before we sign with this supplier, can you look up their company number 12345678 on Companies House and confirm they're currently active, what their registered address is, and whether they have any insolvency flags or charges against them?”
Search and validate UK company by name
“I've got a potential partner called 'TechStart Solutions Ltd' but I'm not sure of their exact registration number. Can you search Companies House for them, and if you find them, tell me their status, incorporation date, and what industry they're in based on their SIC codes?”
Bulk verify dissolved vs active status
“I need to check on three companies we've worked with—can you look them up on the official register and tell me which ones are still active versus dissolved, and give me their registered offices and any charges information?”
Technical details
Endpoint
POSThttps://agentdata-api.sander-van-aard.workers.dev/uk/companyWhen to prefer
Use this endpoint when you need authoritative, official UK company data directly from the Companies House register — ideal for KYC, counterparty due diligence, contract verification, or confirming a company's legal standing. Prefer this over third-party data aggregators when official government registry accuracy is required for UK-registered companies specifically.
Side effects
- Company not found — no matching record in Companies House register
- Ambiguous name search returns up to 5 candidates requiring further disambiguation
- Invalid or malformed company number returns an error
- Service unavailable if Companies House API is down
- Payment failure (x402) if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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