---
title: "Sébastien Mertens — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ca4a7933-6359-56f8-ab00-8b37ef00a28e
json: https://whiteintel.dev/api/public/dossier/ca4a7933-6359-56f8-ab00-8b37ef00a28e
identifier: icij:icijol-12214782
jurisdiction: BR
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Sébastien Mertens

**Type:** Organization  
**Jurisdiction:** BR  
**Identifier:** `icij:icijol-12214782`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ca4a7933-6359-56f8-ab00-8b37ef00a28e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ca4a7933-6359-56f8-ab00-8b37ef00a28e  

## Ownership & control

### Holdings / subsidiaries

- **Koach Investments Limited** (shareholder of) — https://whiteintel.dev/entity/37149959-55f9-50c6-800e-05b6a1202626

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/12214782

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Sébastien Mertens**. Human view: https://whiteintel.dev/entity/ca4a7933-6359-56f8-ab00-8b37ef00a28e · Structured JSON: https://whiteintel.dev/api/public/dossier/ca4a7933-6359-56f8-ab00-8b37ef00a28e._

_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"._