---
title: "Mr Sam Grant Mabon — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6a8cb4cd-634a-498a-af5a-8a35b5222291
json: https://whiteintel.dev/api/public/dossier/6a8cb4cd-634a-498a-af5a-8a35b5222291
identifier: psc:9DuS4-0Wu8Ca0dha5NzIaxvATrI
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Sam Grant Mabon

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:9DuS4-0Wu8Ca0dha5NzIaxvATrI`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/6a8cb4cd-634a-498a-af5a-8a35b5222291  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6a8cb4cd-634a-498a-af5a-8a35b5222291  

## Ownership & control

### Holdings / subsidiaries

- **GREYSTONE HOUSE LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/2ad37b6c-c69c-5cbb-89ef-2e79d5a8758f

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Sam Grant Mabon**. Human view: https://whiteintel.dev/entity/6a8cb4cd-634a-498a-af5a-8a35b5222291 · Structured JSON: https://whiteintel.dev/api/public/dossier/6a8cb4cd-634a-498a-af5a-8a35b5222291._

_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"._