---
title: "Mr John Houston Mcardle — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f0df2629-188d-4fda-9b5a-42fd5e8a2380
json: https://whiteintel.dev/api/public/dossier/f0df2629-188d-4fda-9b5a-42fd5e8a2380
identifier: psc:xdmbK4kQvmT1eHR0oP2iPfnO_o8
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Houston Mcardle

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:xdmbK4kQvmT1eHR0oP2iPfnO_o8`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f0df2629-188d-4fda-9b5a-42fd5e8a2380  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f0df2629-188d-4fda-9b5a-42fd5e8a2380  

## Ownership & control

### Holdings / subsidiaries

- **MDM SPECIALIST TRADES LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/1296c529-a8d2-54cf-8fef-438699ea03cf

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Houston Mcardle**. Human view: https://whiteintel.dev/entity/f0df2629-188d-4fda-9b5a-42fd5e8a2380 · Structured JSON: https://whiteintel.dev/api/public/dossier/f0df2629-188d-4fda-9b5a-42fd5e8a2380._

_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"._