---
title: "Mr Marcus Grenville John Higgins — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f7e94ebd-ddae-4cd2-ac0e-c364e2b1cf98
json: https://whiteintel.dev/api/public/dossier/f7e94ebd-ddae-4cd2-ac0e-c364e2b1cf98
identifier: psc:TdOOrtd17zR3dhPf8gnxXBKJMm8
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Marcus Grenville John Higgins

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:TdOOrtd17zR3dhPf8gnxXBKJMm8`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f7e94ebd-ddae-4cd2-ac0e-c364e2b1cf98  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f7e94ebd-ddae-4cd2-ac0e-c364e2b1cf98  

## Ownership & control

### Holdings / subsidiaries

- **CORNERSTONE GROUP HOLDINGS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/53737d4d-bf77-5d54-bd33-e270847cc53f

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Marcus Grenville John Higgins**. Human view: https://whiteintel.dev/entity/f7e94ebd-ddae-4cd2-ac0e-c364e2b1cf98 · Structured JSON: https://whiteintel.dev/api/public/dossier/f7e94ebd-ddae-4cd2-ac0e-c364e2b1cf98._

_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"._