---
title: "Mr William John Hartnell — Ownership Dossier"
canonical: https://whiteintel.dev/entity/7d8ffc28-7577-4a2c-ada7-dfe25db9dfbf
json: https://whiteintel.dev/api/public/dossier/7d8ffc28-7577-4a2c-ada7-dfe25db9dfbf
identifier: psc:YDqNYXhjW9XuPHQtiPuHWiDpsuI
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr William John Hartnell

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:YDqNYXhjW9XuPHQtiPuHWiDpsuI`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/7d8ffc28-7577-4a2c-ada7-dfe25db9dfbf  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/7d8ffc28-7577-4a2c-ada7-dfe25db9dfbf  

## Ownership & control

### Holdings / subsidiaries

- **HARTNELL ESTATES LIMITED** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/9c5aa799-0b4b-5aec-9f63-fa8bac5eeab8

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr William John Hartnell**. Human view: https://whiteintel.dev/entity/7d8ffc28-7577-4a2c-ada7-dfe25db9dfbf · Structured JSON: https://whiteintel.dev/api/public/dossier/7d8ffc28-7577-4a2c-ada7-dfe25db9dfbf._

_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"._