---
title: "MARY CASTAGNA — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d017c025-3da2-5d20-aff3-0822b0d3ddc3
json: https://whiteintel.dev/api/public/dossier/d017c025-3da2-5d20-aff3-0822b0d3ddc3
identifier: icij:icijol-56066355
jurisdiction: MT
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# MARY CASTAGNA

**Type:** Organization  
**Jurisdiction:** MT  
**Identifier:** `icij:icijol-56066355`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/d017c025-3da2-5d20-aff3-0822b0d3ddc3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d017c025-3da2-5d20-aff3-0822b0d3ddc3  

## Ownership & control

### Holdings / subsidiaries

- **HEALTHWISE LIMITED** (shareholder of) — https://whiteintel.dev/entity/f5efb2fc-3be4-5c29-af68-b028b9d3fe77
- **MAXI-QUARTZ LIMITED** (shareholder of) — https://whiteintel.dev/entity/6b973c0b-f609-5f5d-9286-38f1389b038e

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/56066355

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARY CASTAGNA**. Human view: https://whiteintel.dev/entity/d017c025-3da2-5d20-aff3-0822b0d3ddc3 · Structured JSON: https://whiteintel.dev/api/public/dossier/d017c025-3da2-5d20-aff3-0822b0d3ddc3._

_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"._