Companies House · Pricing Plans

Companies House Plans Pricing

The Companies House REST API is provided free of charge as a public service by the UK government. All developers can register for a free API key and access the full range of public company data at no cost. There is a single free tier with a default rate limit, and developers who require higher throughput may contact Companies House to request an increased limit.

Companies House Plans Pricing is the machine-readable pricing-plan profile for Companies House on the APIs.io network, conforming to the API Commons Plans specification.

It defines 2 plans, with named plans including Free, Elevated Rate Limit (by request).

Tagged areas include Companies, UK Government, Business Registration, Company Search, and Officers.

2 Plans
View Source
CompaniesUK GovernmentBusiness RegistrationCompany SearchOfficersFiling HistoryInsolvencyChargesPersons of Significant ControlOpen Data

Plans

Free

Full access to the Companies House Public Data API and Streaming API at no cost. Includes all public company data endpoints covering company profiles, officers, filing history, charges, insolvency, persons of significant control, and advanced search. Requires registration for an API key on the Companies House Developer Hub.

Elevated Rate Limit (by request)

Developers or organisations with high-throughput requirements may contact Companies House directly to request an elevated rate limit above the default 600 requests per 5 minutes. This is granted on a case-by-case basis and remains free of charge.

Work with this as data

Every plan here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for plans

4 MCP tools reach this
  • find_plansBrowse and filter every plan in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This plan 
curl "https://apis.io/api/v1/plans/companies-house-plans-pricing"
All plans 
curl "https://apis.io/api/v1/plans?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.