{"uid":"cap_3eneQTgFfYo5U09J_JU9J","slug":"uk-companies-house-registry-lookup-51fce0ba","name":"UK Companies House Registry Lookup","description":"UK company lookup in the official Companies House register by company number or company name. Returns legal name, company status, company type, incorporation date, registered office address and SIC codes in a schema shared across countries.","url":"https://companies.use.x402atlas.com/uk-company-data?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["query"],"properties":{"query":{"type":"string","maxLength":200,"description":"Company registration number (UK company number, e.g. 00445790) or company name"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["country","registry","query","matched_by","count","companies"],"properties":{"note":{"type":"string","description":"Hint present only on the sample response (empty/omitted query) and on a zero-match response"},"count":{"type":"integer","description":"Number of entries in companies"},"query":{"type":"string","description":"Echoed query (trimmed)"},"country":{"type":"string","description":"ISO 3166-1 alpha-2 code of the route's country"},"registry":{"type":"string","description":"Official registry the result comes from"},"companies":{"type":"array","items":{"type":"object","required":["name","registration_number","status","legal_form","founded","address","activities","website"],"properties":{"name":{"type":"string","description":"Current legal name"},"status":{"enum":["active","inactive","unknown"],"type":"string","description":"Normalized registry status: active, inactive (ceased, dissolved, bankrupt or being wound up) or unknown"},"address":{"type":"object","required":["street","postal_code","city","country_code"],"properties":{"city":{"type":["string","null"],"description":"City or post town"},"street":{"type":["string","null"],"description":"Street and house number"},"postal_code":{"type":["string","null"],"description":"Postal code"},"country_code":{"type":["string","null"],"description":"ISO 3166-1 alpha-2 country code of the address"}},"description":"Registered (head-office) address; each part is null when the registry does not supply it"},"founded":{"type":["string","null"],"format":"date","description":"Founding / registration date (YYYY-MM-DD)"},"website":{"type":["string","null"],"description":"Company website as registered; may lack a URL scheme"},"activities":{"type":"array","items":{"type":"object","required":["code","description"],"properties":{"code":{"type":"string","description":"Registry activity code (NACE, NAF or SIC, as the registry publishes it)"},"description":{"type":["string","null"],"description":"Activity description; null when the registry supplies only the code"}}},"maxItems":5,"description":"Up to 5 registered activities, main activity first when the registry marks one; empty when none are published"},"legal_form":{"type":["string","null"],"description":"Legal form as the registry names it, or the registry's legal-form code when it publishes no name"},"registration_number":{"type":"string","description":"Canonical national registration number (BE enterprise number, FR SIREN, GB company number, NO organisasjonsnummer, FI business ID, CZ ICO)"}}},"maxItems":5,"description":"Matching companies; empty when nothing matched (still HTTP 200)"},"matched_by":{"enum":["number","name"],"type":"string","description":"number: the query was read as a registration number (exact lookup, 0 or 1 company); name: company-name search (up to 5 companies)"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__sunpk-GBDVJZoBe0DNK3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up a UK company by registration number or name in the official Companies House register, returning legal details in a normalized schema.","exampleAgentPrompt":"Can you look up the UK Companies House record for Rolls-Royce Holdings — I need their registration number, current status, registered address, and SIC codes?","exampleUseCases":[{"title":"Due diligence on a UK supplier","prompt":"I'm about to sign a contract with a UK supplier called Tesco PLC — can you pull their Companies House record and confirm they're still active, when they were incorporated, and what their registered address is?"},{"title":"Verify a company number from an invoice","prompt":"I've received an invoice quoting UK company number 00445790 — can you check Companies House and tell me the legal name and current status of that company?"},{"title":"Enrich a CRM with UK company data","prompt":"I have a UK business called Barclays Bank in my CRM — can you look it up in Companies House and give me their official registration number, legal form, registered office address, and SIC codes so I can update the record?"}],"resultDescription":"Returns a normalized JSON object containing: the echoed query, ISO country code (GB), registry name (Companies House), match count, and an array of matched companies each with legal name, registration number, normalized status (active/inactive/unknown), legal form, incorporation date, registered office address (street, city, postal code, country code), SIC activity codes, and website if available.","failureModes":["No matching company found — returns count:0 and an empty companies array with a note","Invalid or malformed company number format — may return zero results","Company name query returns multiple matches — all are returned but caller must disambiguate","Companies House API downtime — upstream service unavailable error","Query string too long (over 200 characters) — rejected by schema validation"],"whenToPreferThis":"Use this endpoint when you need authoritative, official UK company data from Companies House — particularly when verifying legal existence, checking active status, or retrieving the official registered address and company number. Prefer this over generic business search APIs when regulatory compliance, due diligence, or KYC accuracy is required. It uses a normalized cross-country schema, making it easy to combine with sibling endpoints for other European registries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:40:58.220Z","isFirstParty":false,"canonicalSlug":"uk-companies-house-registry-lookup-dbc3dfc2"}