---
updatedAt: 2026-04-24T15:12:04.000Z
agentTools:
  projectIndex: https://docs.beauhurst.com/llms.txt
---

# Search for UK Legal Entities

Use company_registration_number or registered_name to identify a UK Legal Entity.

# OpenAPI definition

```json
{
  "openapi": "3.0.3",
  "info": {
    "title": "Beauhurst API v2",
    "version": "1.0.0 (externalapi)",
    "description": "<h3>Usage</h3><p>The API only accepts <code>GET</code> requests over HTTPS.</p><h3>Authorization</h3><p>The Beauhurst API requires authentication in the form of an API key,provided in the format <code>'apikey <your-api-key>'</code>.<br><br>To obtain an API key, please contact your subscription's account manager at Beauhurst. Be sure to keep this key <strong>private</strong> and <strong>secure</strong>.</p>"
  },
  "paths": {
    "/legalentity/gb/search": {
      "get": {
        "operationId": "legalentity_gb_search_list",
        "description": "Use company_registration_number or registered_name to identify a UK Legal Entity.",
        "summary": "Search for UK Legal Entities",
        "parameters": [
          {
            "in": "query",
            "name": "company_registration_number",
            "schema": {
              "type": "string",
              "pattern": "[A-Z0-9]{8}",
              "minLength": 1
            },
            "description": "Companies House ID for the legal entity"
          },
          {
            "name": "limit",
            "required": false,
            "in": "query",
            "description": "Number of results to return per page.",
            "schema": {
              "type": "integer"
            }
          },
          {
            "in": "query",
            "name": "modified_since",
            "schema": {
              "type": "string",
              "format": "date-time"
            },
            "description": "Filter Companies modified since this datetime (ISO-8601 format)"
          },
          {
            "name": "offset",
            "required": false,
            "in": "query",
            "description": "The initial index from which to return the results.",
            "schema": {
              "type": "integer"
            }
          },
          {
            "name": "registered_name",
            "required": false,
            "in": "query",
            "description": "Registered name of the legal entity",
            "schema": {
              "type": "string"
            }
          },
          {
            "name": "registered_name_filter_type",
            "required": false,
            "in": "query",
            "description": "Match type for registered_name: exact or partial\n\n* `exact` - exact\n* `partial` - partial",
            "schema": {
              "type": "string",
              "enum": [
                "exact",
                "partial"
              ],
              "minLength": 1
            }
          },
          {
            "name": "sort",
            "required": false,
            "in": "query",
            "description": "Sort by registered_name or company_registration_number. Prefix with '-' for descending order.\n\n* `registered_name` - registered_name\n* `-registered_name` - -registered_name\n* `company_registration_number` - company_registration_number\n* `-company_registration_number` - -company_registration_number",
            "schema": {
              "type": "string",
              "enum": [
                "registered_name",
                "-registered_name",
                "company_registration_number",
                "-company_registration_number"
              ],
              "minLength": 1
            }
          }
        ],
        "tags": [
          "legalentity"
        ],
        "security": [
          {
            "tokenAuth": []
          }
        ],
        "responses": {
          "200": {
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PaginatedUKLegalEntitySearchList"
                }
              }
            },
            "description": ""
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "PaginatedUKLegalEntitySearchList": {
        "type": "object",
        "properties": {
          "meta": {
            "type": "object",
            "properties": {
              "total": {
                "type": "integer",
                "example": 10
              },
              "limit": {
                "type": "integer",
                "example": 10
              },
              "offset": {
                "type": "integer",
                "example": 10
              },
              "count": {
                "type": "integer",
                "example": 10
              }
            }
          },
          "results": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/UKLegalEntitySearch"
            }
          }
        }
      },
      "UKLegalEntitySearch": {
        "type": "object",
        "properties": {
          "company_registration_number": {
            "type": "string",
            "description": "Company registration number of the LE"
          },
          "true_company_id": {
            "type": "string",
            "nullable": true,
            "description": "Beauhurst True Company ID"
          },
          "registered_name": {
            "type": "string",
            "description": "Registered name of the LE"
          }
        },
        "required": [
          "company_registration_number",
          "registered_name",
          "true_company_id"
        ]
      }
    },
    "securitySchemes": {
      "tokenAuth": {
        "type": "apiKey",
        "in": "header",
        "name": "Authorization",
        "description": "Token-based authentication with required prefix \"APIkey\""
      }
    }
  },
  "servers": [
    {
      "url": "https://platform.beauhurst.com/_api/v2.0"
    }
  ],
  "x-readme": {}
}
```