---
title: "MARTIN GRUSCHKA — Ownership Dossier"
canonical: https://whiteintel.dev/entity/efc8b438-b5d5-596b-a830-d6d3d69c02bf
json: https://whiteintel.dev/api/public/dossier/efc8b438-b5d5-596b-a830-d6d3d69c02bf
identifier: icij:icijol-56036787
jurisdiction: DE
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MARTIN GRUSCHKA

**Type:** Organization  
**Jurisdiction:** DE  
**Identifier:** `icij:icijol-56036787`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/efc8b438-b5d5-596b-a830-d6d3d69c02bf  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/efc8b438-b5d5-596b-a830-d6d3d69c02bf  

## Ownership & control

### Holdings / subsidiaries

- **FONTAINE INVESTMENT HOLDINGS LTD.** (director of) — https://whiteintel.dev/entity/c3decdc6-d4b1-5abb-913e-9ab0b8fb99e1
- **FONTAINE INVESTMENT HOLDINGS LTD.** (legal representative of) — https://whiteintel.dev/entity/c3decdc6-d4b1-5abb-913e-9ab0b8fb99e1

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/56036787

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARTIN GRUSCHKA**. Human view: https://whiteintel.dev/entity/efc8b438-b5d5-596b-a830-d6d3d69c02bf · Structured JSON: https://whiteintel.dev/api/public/dossier/efc8b438-b5d5-596b-a830-d6d3d69c02bf._

_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"._