---
title: "Mr Bartosz Stanislaw Onysek — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c078efba-0fa2-4794-b39e-2f91af32a538
json: https://whiteintel.dev/api/public/dossier/c078efba-0fa2-4794-b39e-2f91af32a538
identifier: psc:5XEXL074pklCwwqS5CljyuLHIlc
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Bartosz Stanislaw Onysek

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:5XEXL074pklCwwqS5CljyuLHIlc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c078efba-0fa2-4794-b39e-2f91af32a538  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c078efba-0fa2-4794-b39e-2f91af32a538  

## Ownership & control

### Holdings / subsidiaries

- **VIRST UK LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/3056ea9b-9b06-5212-a85a-fbfc6549ce69

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Bartosz Stanislaw Onysek**. Human view: https://whiteintel.dev/entity/c078efba-0fa2-4794-b39e-2f91af32a538 · Structured JSON: https://whiteintel.dev/api/public/dossier/c078efba-0fa2-4794-b39e-2f91af32a538._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._