UK Data: UK Companies House

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uk.co.reliness/uk-companiesv1.4.0 Domain verified

UK Companies House: company search, profiles, officers, owners (PSC), filings, new incorporations

Legal & Government

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{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-04T10:42:49.888708Z",
      "publishedAt": "2026-11-04T10:42:49.888708Z",
      "statusChangedAt": "2026-11-04T10:42:49.888708Z"
    }
  },
  "server": {
    "name": "uk.co.reliness/uk-companies",
    "title": "UK Data: UK Companies House",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://ukdata.reliness.co.uk/mcp/uk-companies",
        "type": "streamable-http",
        "headers": [
          {
            "name": "Authorization",
            "isSecret": true,
            "description": "Optional. Bearer <key> for more than the free daily allowance; free key from POST https://ukdata.reliness.co.uk/keys"
          }
        ]
      }
    ],
    "version": "1.4.0",
    "websiteUrl": "https://ukdata.reliness.co.uk",
    "description": "UK Companies House: company search, profiles, officers, owners (PSC), filings, new incorporations"
  }
}

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Call this server's tools from your browser. Nothing to install.

https://ukdata.reliness.co.uk/mcp/uk-companies

Authorization (optional)

Optional. Bearer <key> for more than the free daily allowance; free key from POST https://ukdata.reliness.co.uk/keys

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

companies_incorporated

Find companies by incorporation date range, SIC codes, status, location or name fragment (Companies House advanced search). New-business lead lists. (cost: 2 credits)

tostring

YYYY-MM-DD

fromstring

YYYY-MM-DD

limitnumber

number 1-100

statusstring

array, default ["active"]

locationstring

string

sicCodesstring

array of strings

nameIncludesstring

string

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

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Install

Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.

Try it

Call this server's tools from your browser. Nothing to install.

https://ukdata.reliness.co.uk/mcp/uk-companies

Authorization (optional)

Optional. Bearer <key> for more than the free daily allowance; free key from POST https://ukdata.reliness.co.uk/keys

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

companies_incorporated

Find companies by incorporation date range, SIC codes, status, location or name fragment (Companies House advanced search). New-business lead lists. (cost: 2 credits)

tostring

YYYY-MM-DD

fromstring

YYYY-MM-DD

limitnumber

number 1-100

statusstring

array, default ["active"]

locationstring

string

sicCodesstring

array of strings

nameIncludesstring

string

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

I understand, run it anyway

Tools (6)

companies_incorporated

Find companies by incorporation date range, SIC codes, status, location or name fragment (Companies House advanced search). New-business lead lists. (cost: 2 credits)

Argument	Type	Description
to	string	YYYY-MM-DD
from	string	YYYY-MM-DD
limit	number \| string	number 1-100
status	any	array, default ["active"]
location	string	string
sicCodes	any	array of strings
nameIncludes	string	string

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "to": {
      "type": "string",
      "description": "YYYY-MM-DD"
    },
    "from": {
      "type": "string",
      "description": "YYYY-MM-DD"
    },
    "limit": {
      "type": [
        "number",
        "string"
      ],
      "description": "number 1-100"
    },
    "status": {
      "anyOf": [
        {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        {
          "type": "string"
        }
      ],
      "description": "array, default [\"active\"]"
    },
    "location": {
      "type": "string",
      "description": "string"
    },
    "sicCodes": {
      "anyOf": [
        {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        {
          "type": "string"
        }
      ],
      "description": "array of strings"
    },
    "nameIncludes": {
      "type": "string",
      "description": "string"
    }
  }
}

company_filings

Filing history for a company number (accounts, confirmation statements, officer changes, charges). (cost: 1 credit)

Argument	Type	Description
limit	number \| string	number 1-100
companyNumber	string	string, required

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "limit": {
      "type": [
        "number",
        "string"
      ],
      "description": "number 1-100"
    },
    "companyNumber": {
      "type": "string",
      "description": "string, required"
    }
  }
}

company_officers

Directors and secretaries for a company number, with appointment and resignation dates. (cost: 1 credit)

Argument	Type	Description
activeOnly	boolean \| string	boolean, default true
companyNumber	string	string, required

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "activeOnly": {
      "type": [
        "boolean",
        "string"
      ],
      "description": "boolean, default true"
    },
    "companyNumber": {
      "type": "string",
      "description": "string, required"
    }
  }
}

company_profile

Full Companies House profile for a company number: status, SIC codes, registered office, accounts and confirmation statement due dates and overdue flags, charges and insolvency flags. (cost: 1 credit)

Argument	Type	Description
companyNumber	string	string, required

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "companyNumber": {
      "type": "string",
      "description": "string, required"
    }
  }
}

company_pscs

Persons with significant control (beneficial owners) for a company number. (cost: 1 credit)

Argument	Type	Description
companyNumber	string	string, required

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "companyNumber": {
      "type": "string",
      "description": "string, required"
    }
  }
}

company_search

Search Companies House by name. Returns company number, status, type, incorporation date, address. (cost: 1 credit)

Argument	Type	Description
limit	number \| string	number 1-100
query	string	string, required

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "limit": {
      "type": [
        "number",
        "string"
      ],
      "description": "number 1-100"
    },
    "query": {
      "type": "string",
      "description": "string, required"
    }
  }
}

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companies_incorporated

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companies_incorporated

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Tools (6)

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