{"uid":"cap_cbZXa3xALUJ8_hoCeFijJ","slug":"uk-companies-house-registry-lookup-dbc3dfc2","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/gb?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_9IQ9nOiVkmEKoPMhWtNFV","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":"Look up UK companies by registration number or name in the official Companies House register, returning legal details and registered office information.","exampleAgentPrompt":"Can you look up UK company number 00445790 in Companies House and tell me its legal name, current status, registered address, and what SIC codes it has?","exampleUseCases":[{"title":"Supplier due diligence check","prompt":"I need to verify the details of a supplier before signing a contract — can you look up 'Tesco PLC' in the UK Companies House register and tell me if they're active, when they were incorporated, and what their registered office address is?"},{"title":"Verify company number on invoice","prompt":"I received an invoice with UK company number 04659351 on it — can you confirm the legal name and whether this company is still active according to Companies House?"},{"title":"Research competitor legal structure","prompt":"I want to know the legal form, incorporation date, and SIC codes for the UK company registered as 'Deliveroo' — can you pull that from Companies House for me?"}],"resultDescription":"Returns a JSON object containing: the echoed query, country code (GB), registry name, 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 field.","failureModes":["No company found for the given name or number — returns count 0 with a note field","Ambiguous company name returns multiple results requiring further disambiguation","Invalid or malformed company number returns zero matches","Network or upstream Companies House API unavailability causes request failure","Query exceeds 200 character limit causing schema validation error"],"whenToPreferThis":"Choose this endpoint when you need authoritative, structured UK company data directly from the official Companies House register — particularly for due diligence, KYC/AML compliance, invoice verification, or enriching CRM records with legal entity details. It uses a normalized schema shared across countries, making it ideal when building multi-country company lookup pipelines alongside sibling endpoints for Norway, Finland, France, Belgium, and Czech Republic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T06:34:31.079Z","isFirstParty":false,"canonicalSlug":"uk-companies-house-registry-lookup-dbc3dfc2"}