Connect UK Companies House to Gemini Enterprise
Query UK Companies House directly from Gemini Enterprise. Arlet links the two through one MCP connection and takes care of API keys.
Connects your AI client to the Companies House Public Data API (api.company-information.service.gov.uk), the official register of companies in England, Wales, Scotland and Northern Ireland.
Tools (all read-only):
- search_companies: search the register by name or number and get company numbers, status, type, incorporation date and registered address.
- get_company_profile: full profile of one company (status, type, SIC codes, accounts and confirmation statement due dates, registered office, previous names).
- list_officers: current and resigned directors and secretaries with role, appointment/resignation dates, nationality and occupation.
- list_filing_history: filings (accounts, confirmation statements, officer changes, charges, resolutions ...) with an optional category filter.
- list_persons_with_significant_control: PSC register entries (individuals, corporate entities, legal persons) with their natures of control.
Authentication: HTTP Basic with your own API key (free registration at the Companies House Developer Hub; 600 requests per 5 minutes per key).
Licence: Companies House data is Crown copyright and reusable under the Open Government Licence v3.0. Each response carries the source and licence.
How to connect UK Companies House to Gemini Enterprise
- 1
In the Arlet dashboard, open Data tools, find UK Companies House, set the API key issued by UK Companies House and switch it on.
- 2
Sign in to Gemini Enterprise with your organization Google account and open the gear icon at the bottom left → Connectors → Add MCP Server.
- 3
In the MCP info tab, enter https://mcp.arlet.dev/mcp/ as the Server URL and "Arlet" as the Name. In the Auth tab, enter the OAuth settings from the Arlet docs (Authorization URL / Token URL / Client ID / Client Secret / Scopes) and click Add.
- 4
In the connector list on the chat screen, click Connect on Arlet, sign in with Google and authorize. Arlet can then be enabled with the toggle.
Adding custom connectors (MCP) requires a Gemini Enterprise subscription and is not available in the consumer Gemini app. See the docs for the values to enter in the Auth tab.