{"slug":"api-eckari-com-v1-companies-uk-company-number-owners-eb9b0f","title":"An empty items list is never the same as \"no owner\"","host":"api.eckari.com","method":"GET","resource":"https://api.eckari.com/v1/companies/uk/:company_number/owners","category":"code","description":"An empty items list is never the same as \"no owner\": ownership_status and the filed PSC statements/exemptions explain why the register discloses none. Returns the persons with significant control (PSCs) for a UK company — the individuals, entities or legal persons that own or control it — each natur","price_listed":0.008,"price_asked":0.008,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":24,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","pathParams":{"company_number":"00445790"},"queryParams":{},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"pathParams":{"additionalProperties":false,"properties":{"company_number":{"description":"Companies House company number. Accepted shapes are the register's own — 1-8 digits (zero-padded to 8, e.g. 445790 → 00445790), one letter + 7 digits (R0000001), two letters + 6 digits (SC002180, NI000001, OC123456, OE000001), or the registered-society suffix forms (two letters + 5 digits + 1 letter; two letters + 4 digits + 2 letters). Case-insensitive; surrounding whitespace is ignored (which is why maxLength is 10); internal spaces and punctuation are not accepted. Any other value (for example PROBE) is rejected as INVALID_INPUT before payment and before any upstream call.","maxLength":10,"minLength":1,"pattern":"^\\s*(?:[0-9]{1,8}|[A-Za-z][0-9]{7}|[A-Za-z]{2}[0-9]{6}|[A-Za-z]{2}[0-9]{5}[A-Za-z]|[A-Za-z]{2}[0-9]{4}[A-Za-z]{2})\\s*$","type":"string"}},"required":["company_number"],"type":"object"},"queryParams":{"additionalProperties":false,"properties":{"include_ceased":{"description":"Include PSCs whose control has ceased. Default false.","type":"boolean"},"limit":{"description":"Maximum PSCs to return per page (1-100). Default 10. Eckari reads up to three register pages of 100 entries to fill this after the ceased filter is applied; if the limit is still unmet, page.has_more is true and page.next_offset says where to resume.","maximum":100,"minimum":1,"type":"integer"},"offset":{"description":"Zero-based index into the register's own PSC list (not into the filtered result). Pass back page.next_offset from the previous response to page.","maximum":10000,"minimum":0,"type":"integer"}},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.008,"price_match":true,"latency_ms":24,"error":null}],"description_full":"An empty items list is never the same as \"no owner\": ownership_status and the filed PSC statements/exemptions explain why the register discloses none. Returns the persons with significant control (PSCs) for a UK company — the individuals, entities or legal persons that own or control it — each nature of control carrying the register code and its official text, with dates and public identification. The UK statutory beneficial-ownership (UBO) record. Use when: Who owns this UK company?","last_updated":"2026-08-27T22:36:24.751Z","schemes":["exact"]}