---
title: "Mr Andrzej Stefan Masternak — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9f7cdb07-69c2-40f0-894d-9a2e6d37fe36
json: https://whiteintel.dev/api/public/dossier/9f7cdb07-69c2-40f0-894d-9a2e6d37fe36
identifier: psc:04t8yoXfvfSvIfmIEhMmCsB7dIg
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Andrzej Stefan Masternak

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:04t8yoXfvfSvIfmIEhMmCsB7dIg`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/9f7cdb07-69c2-40f0-894d-9a2e6d37fe36  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9f7cdb07-69c2-40f0-894d-9a2e6d37fe36  

## Ownership & control

### Holdings / subsidiaries

- **AMARC CONSTRUCTION LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/5bba46a3-d7cb-5446-870a-3f0e02349019

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Andrzej Stefan Masternak**. Human view: https://whiteintel.dev/entity/9f7cdb07-69c2-40f0-894d-9a2e6d37fe36 · Structured JSON: https://whiteintel.dev/api/public/dossier/9f7cdb07-69c2-40f0-894d-9a2e6d37fe36._

_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"._