Directors of a UK company from the Companies House officers register — the regis
Directors of a UK company from the Companies House officers register — the register of directors, secretaries and LLP members — including corporate and nominee directors, with appointment and resignation dates, nationality, country of residence, occupation, month/year of birth and correspondence address. role and include_resigned widen it. Use when: Identify who is legally responsible for a UK company - the directors on the Companies House officers register.
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.eckari.com/v1/companies/uk/:company_number/directors
| Category | Company and compliance |
|---|---|
| Provider host | api.eckari.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 698 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"company_number": "00445790"
},
"queryParams": {
"limit": 3
},
"type": "http"
}
Promised output schema (from the provider)
{
"$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, also called the company registration number (CRN). Accepted shapes are the register's own \u2014 1-8 digits (zero-padded to 8, e.g. 445790 \u2192 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_resigned": {
"description": "Include resigned officers. Default false.",
"type": "boolean"
},
"limit": {
"description": "Maximum officers to return per page (1-100). Default 5. Eckari reads up to three register pages of 100 entries to fill this after the role and resigned filters are 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 officer list (not into the filtered result). Pass back page.next_offset from the previous response to page.",
"maximum": 10000,
"minimum": 0,
"type": "integer"
},
"role": {
"description": "Which appointments to return. Default `director` \u2014 the capability's name is its contract. The register encodes the office in officer_role, so the filter is a substring test on it: `director` matches director, corporate-director, nominee-director and corporate-nominee-director; `secretary` matches secretary, corporate-secretary, nominee-secretary and corporate-nominee-secretary; `llp_member` matches llp-member, llp-designated-member and their corporate- forms; `all` returns every appointment the register lists, including managing officers, general partners, judicial factors and the EEIG/SE organ roles. Filtering is applied after the register read, so read page.has_more rather than items.length.",
"enum": [
"director",
"secretary",
"llp_member",
"all"
],
"type": "string"
}
},
"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"
}