---
title: "Mr Martyn Ernest Duffield — Ownership Dossier"
canonical: https://whiteintel.dev/entity/33846aaf-e606-5ff1-8b85-7cd299d7ab20
json: https://whiteintel.dev/api/public/dossier/33846aaf-e606-5ff1-8b85-7cd299d7ab20
identifier: oo-person:GB-COH-PER-00209895-6C7573khJfuUlD-MCVcA60h800o
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Martyn Ernest Duffield

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-00209895-6C7573khJfuUlD-MCVcA60h800o`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/33846aaf-e606-5ff1-8b85-7cd299d7ab20  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/33846aaf-e606-5ff1-8b85-7cd299d7ab20  

## Ownership & control

### Holdings / subsidiaries

- **AIREDALE HOUSE LIMITED** (beneficial owner) — 75% — https://whiteintel.dev/entity/3057186c-e1fc-5c8d-8496-5fdc0438b621

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Martyn Ernest Duffield**. Human view: https://whiteintel.dev/entity/33846aaf-e606-5ff1-8b85-7cd299d7ab20 · Structured JSON: https://whiteintel.dev/api/public/dossier/33846aaf-e606-5ff1-8b85-7cd299d7ab20._

_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"._