---
title: "John Duffy — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c3a34e81-ffec-56ca-913d-acbfc5437bab
json: https://whiteintel.dev/api/public/dossier/c3a34e81-ffec-56ca-913d-acbfc5437bab
identifier: oo-person:GB-COH-PER-12258177-GI2QdXAQtz3NijepjAWAFUF6kHQ
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# John Duffy

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-12258177-GI2QdXAQtz3NijepjAWAFUF6kHQ`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c3a34e81-ffec-56ca-913d-acbfc5437bab  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c3a34e81-ffec-56ca-913d-acbfc5437bab  

## Ownership & control

### Holdings / subsidiaries

- **LANSDOWNE JOINERY & BUILDING SERVICES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/05ab7c36-fc28-57e8-9a23-dbe92d8bf72e

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **John Duffy**. Human view: https://whiteintel.dev/entity/c3a34e81-ffec-56ca-913d-acbfc5437bab · Structured JSON: https://whiteintel.dev/api/public/dossier/c3a34e81-ffec-56ca-913d-acbfc5437bab._

_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"._