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UK Persons with Significant Control (PSC) Lookup
x402
UK Persons with Significant Control (PSC) Lookup is a paid API for AI agents from api.x-402.online, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-13).
Retrieves UK beneficial ownership data (Persons with Significant Control) from Companies House for KYB/AML purposes, queryable by company name or number.
Price / call$0.03
Success—
StatusUnknown
How this service works
UK beneficial owners — Persons with Significant Control (Companies House), key for KYB/AML. Query: ?q= or ?number=
Output
Returns a list of Persons with Significant Control (PSC) for the queried UK company, including each person's name, nature of control, ownership percentage or voting rights, appointment date, nationality, and country of residence — sourced from the UK Companies House register.
Example use cases
AML check on UK company
“I need to run an AML check on a UK supplier we're about to onboard — can you pull the beneficial ownership data for Octopus Energy Ltd? I want to see who has significant control and what percentage they own.”
Verify investor ownership structure
“We're about to close a funding round and need to verify the ownership structure of a UK-registered investor entity. Can you look up the persons with significant control for Atomico Advisers Limited by company name?”
Due diligence on acquisition target
“We're conducting due diligence on a potential acquisition target — a UK limited company called Monzo Bank Ltd. Can you fetch their PSC records so I can see who ultimately controls the business and their nationalities?”
Technical details
Endpoint
GEThttps://api.x-402.online/v1/uk/pscWhen to prefer
Use this endpoint when you need UK-specific beneficial ownership (PSC) data for KYB or AML due diligence on a UK-registered company. Prefer it over generic company lookup endpoints when the goal is ownership/control structure rather than company profile. It complements the UK company profile and directors endpoints on the same platform for a full KYB picture.
Side effects
- Company not found — returns empty results if company name or number doesn't match any Companies House record
- Ambiguous company name — multiple matches returned requiring disambiguation by company number
- No PSC registered — some companies have exempt or corporate PSC structures with limited data
- Rate limiting or payment failure — 402 payment required if USDC payment not processed
- Invalid query parameter — missing ?q= or ?number= returns an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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