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n8n-nodes-registrum
UK company data from Companies House inside n8n: company profiles, directors, ownership chains
traced to real people, parsed accounts, and ECCTA identity-verification status.
This is a community node for n8n. It talks to the
Registrum API, which reads the Companies House register and does three
things to it that the official API does not: parses filed accounts into comparable figures,
follows corporate owners through holding companies until it reaches individuals, and reads
identity-verification status per person.
Installation
In n8n: Settings → Community nodes → Install, then enter n8n-nodes-registrum.
Self-hosted n8n can also install it manually:
npm install n8n-nodes-registrum
Credentials
Create a Registrum API credential and pick how you want in:
- Email (60-day free trial, no key needed). Type your email and save. We send you a
confirmation link; click it and your workflows work straight away - you never copy a key.
Every operation is included for 60 days with no monthly cap and no card, then the key stays
free for light use. Each save sends a fresh link, so if you lose the email, just save the
credential again. Live limits and prices: https://api.registrum.co.uk/v1/plans - API Key. Paste a key from registrum.co.uk. The free plan needs
no card.
n8n tests the credential against /v1/usage, which checks it without spending one of your
company lookups.
Operations
All operations are on the Company resource.
| Operation | What you get |
|---|---|
| Search | Find UK companies by name or number |
| Get Profile | Registered name, status, address, SIC codes, filing dates |
| Get Everything | Profile, directors, owners, accounts and verification status in one call, charged as one call |
| Get Directors | Current and resigned officers, with their other appointments |
| Get Director Network | Companies connected to this one through shared officers |
| Get Owners | Persons with significant control, with natures of control decoded |
| Get Ownership Chain | Corporate owners followed through holding companies to individuals |
| Get Financials | Accounts parsed from the filed iXBRL |
| Get Identity Verification Status | Who has verified under ECCTA, and the per-person deadline for those who have not |
Company numbers are zero-padded for you, so 445790 and 00445790 both work.
Two things worth knowing about the data
Accounts often contain no turnover figure. Micro-entity, dormant and small filleted accounts
are not required to file a profit and loss account, and a large minority of companies file
accounts with no machine-readable version at all. When a filing genuinely does not carry a figure,Get Financials returns available: false with a reason rather than guessing. A confidently
wrong revenue number is worse than no number.
Ownership percentages are bands, not numbers. The register publishes 25-50%, 50-75% and
75-100%, never a precise figure. Anything showing you an exact percentage from PSC data has
invented the precision.
Example: enrich a list of companies
- Schedule Trigger - however often you want it.
- Read your company numbers (Google Sheets, Airtable, a database, an HTTP call).
- Registrum → Get Everything with Company Number set to
{{ $json.company_number }}. - Write the result back.
One Registrum call per company, whatever you do with the result.
Compatibility
Tested against n8n 1.x. Requires Node 20 or later, which n8n itself requires.
Support
Issues and feature requests: GitHub issues.
Anything about the data or your account: support@registrum.co.uk.
Licence
MIT. Companies House data is published under the Open Government Licence v3.0.