---
title: "Mr Arthur O'Donnell — Ownership Dossier"
canonical: https://whiteintel.dev/entity/21a6548c-d1a1-4e54-b95f-6000fb41aaac
json: https://whiteintel.dev/api/public/dossier/21a6548c-d1a1-4e54-b95f-6000fb41aaac
identifier: psc:IYAfDMQOpYfR4_c6jCfUrJbUo9s
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Arthur O'Donnell

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:IYAfDMQOpYfR4_c6jCfUrJbUo9s`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/21a6548c-d1a1-4e54-b95f-6000fb41aaac  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/21a6548c-d1a1-4e54-b95f-6000fb41aaac  

## Ownership & control

### Holdings / subsidiaries

- **SIENNA DOONBEG LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4ac66917-12bd-5891-936f-e5a09d3e9530

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Arthur O'Donnell**. Human view: https://whiteintel.dev/entity/21a6548c-d1a1-4e54-b95f-6000fb41aaac · Structured JSON: https://whiteintel.dev/api/public/dossier/21a6548c-d1a1-4e54-b95f-6000fb41aaac._

_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"._