---
title: "John Matthew Campbell — Ownership Dossier"
canonical: https://whiteintel.dev/entity/98adb045-c2e9-5cef-b2f0-bb329528b4df
json: https://whiteintel.dev/api/public/dossier/98adb045-c2e9-5cef-b2f0-bb329528b4df
identifier: oo-person:GB-COH-PER-10613306-ShpPASBlqvslavdMO3lITgjXgmI
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# John Matthew Campbell

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-10613306-ShpPASBlqvslavdMO3lITgjXgmI`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/98adb045-c2e9-5cef-b2f0-bb329528b4df  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/98adb045-c2e9-5cef-b2f0-bb329528b4df  

## Ownership & control

### Holdings / subsidiaries

- **Vertex Carpentry Contractors Limited** (beneficial owner) — 50% — https://whiteintel.dev/entity/af04796b-e4a9-50c2-a6be-94d23164f473

## Provenance

- OpenOwnership — https://www.openownership.org

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **John Matthew Campbell**. Human view: https://whiteintel.dev/entity/98adb045-c2e9-5cef-b2f0-bb329528b4df · Structured JSON: https://whiteintel.dev/api/public/dossier/98adb045-c2e9-5cef-b2f0-bb329528b4df._

_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"._