---
title: "Mr John James Mark — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2efb4775-dd08-48ab-9eee-506a0d4bc704
json: https://whiteintel.dev/api/public/dossier/2efb4775-dd08-48ab-9eee-506a0d4bc704
identifier: psc:JgTjX9PFBYKqrMsV_xBjG7JKb8w
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John James Mark

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:JgTjX9PFBYKqrMsV_xBjG7JKb8w`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2efb4775-dd08-48ab-9eee-506a0d4bc704  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2efb4775-dd08-48ab-9eee-506a0d4bc704  

## Ownership & control

### Holdings / subsidiaries

- **JJM HOLDCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/519d92bd-51e2-4b39-b422-e34e2faa2a86

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John James Mark**. Human view: https://whiteintel.dev/entity/2efb4775-dd08-48ab-9eee-506a0d4bc704 · Structured JSON: https://whiteintel.dev/api/public/dossier/2efb4775-dd08-48ab-9eee-506a0d4bc704._

_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"._