---
title: "Mr John Harrison — Ownership Dossier"
canonical: https://whiteintel.dev/entity/01cce4b8-07e9-4fdd-bfdc-33d8288aa6f6
json: https://whiteintel.dev/api/public/dossier/01cce4b8-07e9-4fdd-bfdc-33d8288aa6f6
identifier: psc:hFhnUOysTqNo0QqEifilj-hL108
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Harrison

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:hFhnUOysTqNo0QqEifilj-hL108`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/01cce4b8-07e9-4fdd-bfdc-33d8288aa6f6  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/01cce4b8-07e9-4fdd-bfdc-33d8288aa6f6  

## Ownership & control

### Holdings / subsidiaries

- **MTD SYSTEMS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/674691ec-7532-5764-b1ea-1d1f2e214481

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Harrison**. Human view: https://whiteintel.dev/entity/01cce4b8-07e9-4fdd-bfdc-33d8288aa6f6 · Structured JSON: https://whiteintel.dev/api/public/dossier/01cce4b8-07e9-4fdd-bfdc-33d8288aa6f6._

_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"._