---
title: "CATHAL O'BRIEN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2ce12e25-7d8a-57f6-b217-db9911e04d4e
json: https://whiteintel.dev/api/public/dossier/2ce12e25-7d8a-57f6-b217-db9911e04d4e
identifier: icij:icijol-56101465
jurisdiction: IE
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CATHAL O'BRIEN

**Type:** Organization  
**Jurisdiction:** IE  
**Identifier:** `icij:icijol-56101465`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2ce12e25-7d8a-57f6-b217-db9911e04d4e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2ce12e25-7d8a-57f6-b217-db9911e04d4e  

## Cross-source identity

The same real-world entity, resolved across sources:

- **Cathal O'Brien** — OpenOwnership · `oo-person:GB-COH-PER-OE007879-hoBqDpP2GGmB9L8m8GkBgmc61jo` — https://whiteintel.dev/entity/2e52ddac-d39a-500e-a111-e6d090accd3d

## Ownership & control

### Holdings / subsidiaries

- **SENTINEL INVESTMENTS HOLDINGS LIMITED** (director of) — https://whiteintel.dev/entity/d63709f2-7ea6-54dc-a0b7-d0254c96ba11

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/56101465

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CATHAL O'BRIEN**. Human view: https://whiteintel.dev/entity/2ce12e25-7d8a-57f6-b217-db9911e04d4e · Structured JSON: https://whiteintel.dev/api/public/dossier/2ce12e25-7d8a-57f6-b217-db9911e04d4e._

_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"._