Data source
Companies House: Company register, officers and persons with significant control
Company status, incorporation, registered office, directors and persons with significant control for every UK company.
- Licence:
- Free to use under Companies House terms
- Coverage:
- UK
- Tools:
- 4
Role
What Companies House data lets a tool answer
Turns a proprietor on a title into an entity you can assess: whether the company is active, who controls it, what else it holds. It is how a company-numbered owner becomes a portfolio and how a sourcing search can exclude dissolved owners.
Terms
Licence, attribution and refresh
- Licence
- Free to use under Companies House terms; Crown copyright.
- Refresh
- Read live for profiles; the bulk register is refreshed monthly.
- Coverage
- UK
This page describes how MarketCode uses the data. It is not legal advice on how you may reuse what a tool returns; the tool pages say when a response carries licensed records.
Tools
Tools that read Companies House records
Proprietor profile
owner_profile()What the Land Registry shows for one proprietor: titles held, company status, country of incorporation, directors and PSCs where known.
Titles held by a company
ownership_by_company()Titles held by a company, by Companies House number. Useful for mapping a
Search land or units by criteria
sourcing_search()Find land parcels or residential units matching investment criteria — the sourcing tool. Give a `location` (place or area name) or a `bbox`.
Owners of sourced parcels
sourcing_owners()Resolve registered owners for parcels returned by `sourcing_search`.
Related
Sources it is joined with
- HM Land Registry: Commercial and Corporate Ownership (CCOD) and Overseas Companies Ownership (OCOD)
- Ordnance Survey: National Geographic Database (buildings, land and sites)
- Ministry of Housing, Communities and Local Government: Energy Performance Certificates (domestic and non-domestic)
- planning.data.gov.uk: National planning designations and the local planning authority register
FAQ
Questions about Companies House data
What Companies House data does MarketCode use?
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Company status, incorporation, registered office, directors and persons with significant control for every UK company. Turns a proprietor on a title into an entity you can assess: whether the company is active, who controls it, what else it holds. It is how a company-numbered owner becomes a portfolio and how a sourcing search can exclude dissolved owners.
Which tools read this dataset?
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4 tools: Proprietor profile, Titles held by a company, Search land or units by criteria, Owners of sourced parcels. Each is available as an MCP tool and a REST endpoint at the same price.
Under what licence?
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Free to use under Companies House terms; Crown copyright. This page describes how we use the data; it is not legal advice on how you may.
How often is it refreshed, and what does it cover?
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Read live for profiles; the bulk register is refreshed monthly. Coverage: UK.
Is there a company property portfolio UK?
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Yes, in effect: the MarketCode tools that read Companies House are the company property portfolio UK most people are looking for, reachable over REST with an API key or over MCP from Claude, ChatGPT, Codex and Cursor with a sign-in.
See Companies House data answer a real address.
Thirty minutes, your property or area, every figure traced to its source.