---
title: "Mr Maciej Zielonka — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4d461f29-e7b6-445f-9fde-2cd0d9a0ddfc
json: https://whiteintel.dev/api/public/dossier/4d461f29-e7b6-445f-9fde-2cd0d9a0ddfc
identifier: psc:vA0M1MT8Y9vZVsOA4pYECEMlESQ
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Maciej Zielonka

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:vA0M1MT8Y9vZVsOA4pYECEMlESQ`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4d461f29-e7b6-445f-9fde-2cd0d9a0ddfc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4d461f29-e7b6-445f-9fde-2cd0d9a0ddfc  

## Ownership & control

### Holdings / subsidiaries

- **MGC BUILDING LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/49d3fa1c-9c43-525d-bd85-53d022b8821d

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Maciej Zielonka**. Human view: https://whiteintel.dev/entity/4d461f29-e7b6-445f-9fde-2cd0d9a0ddfc · Structured JSON: https://whiteintel.dev/api/public/dossier/4d461f29-e7b6-445f-9fde-2cd0d9a0ddfc._

_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"._