---
title: "RIAU LANGGAK PETROLEUM LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/54e2d1ff-957c-55e0-a2a2-9c269db45fec
json: https://whiteintel.dev/api/public/dossier/54e2d1ff-957c-55e0-a2a2-9c269db45fec
identifier: icij:icijol-10136078
jurisdiction: SG
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RIAU LANGGAK PETROLEUM LIMITED

**Type:** Company  
**Jurisdiction:** [SG](https://whiteintel.dev/jurisdictions/sg)  
**Identifier:** `icij:icijol-10136078`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/54e2d1ff-957c-55e0-a2a2-9c269db45fec  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/54e2d1ff-957c-55e0-a2a2-9c269db45fec  

## Ownership & control

### Owners / controllers

- **HERMAN GUNTUR KOSWARA** (shareholder of) — https://whiteintel.dev/entity/6f35d980-6538-5f7c-944c-c407a7bda8b9
- **EKA SINTO KASIH TJIA** (shareholder of) — https://whiteintel.dev/entity/3c8db8df-a312-5d38-87d7-da8b602f656c

### UBO chain (walk to the ultimate owner)

A **2-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/10136078

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RIAU LANGGAK PETROLEUM LIMITED**. Human view: https://whiteintel.dev/entity/54e2d1ff-957c-55e0-a2a2-9c269db45fec · Structured JSON: https://whiteintel.dev/api/public/dossier/54e2d1ff-957c-55e0-a2a2-9c269db45fec._

_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"._