Companies House

Name: Companies House
Author: aicayzer

by aicayzercommunityv3.0.1

This MCP server provides an interface to the UK Companies House API, allowing users to look up company information, officers, filings, and perform due diligence checks from their terminal or scripts.

From the registry: MCP server and CLI for the UK Companies House API. Search, filings, officers, due diligence.

GitHub Repository

Install & configure

Prerequisites

required
Get Companies House API key
Sign up for a free API key at the Companies House developer portal.
https://developer.company-information.service.gov.uk/

Install in your client

Paste into the AI you're chatting with — it will figure out the rest

Please install the `companies-house-aicayzer` MCP server into my current AI client (that's you).

Required prerequisites (do these first if not already done):
- **Get Companies House API key** — Sign up for a free API key at the Companies House developer portal. (https://developer.company-information.service.gov.uk/)

Canonical MCP server config (stdio transport):
- command: `npx`
- args: ["-y","companies-house-mcp"]
- required environment variables:
  - `COMPANIES_HOUSE_API_KEY`: Your Companies House API key. (example: `<your-companies-house-api-key>`)

Note: API key configuration details at companies-house.uk/mcp.

Add this MCP server to my current client's config in the correct format for you. If you need secrets or credentials I haven't provided, ASK me — do not invent values or leave raw placeholders. After adding it, tell me how to verify the server is connected.

Note: API key configuration details at companies-house.uk/mcp.