---
title: "Ryan James Mason — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3cbc3890-8e7c-5a63-9b58-e05e45757e83
json: https://whiteintel.dev/api/public/dossier/3cbc3890-8e7c-5a63-9b58-e05e45757e83
identifier: oo-person:GB-COH-PER-07535478-Dc4k0kTSGBCmoZctJB8okfWI5fg
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Ryan James Mason

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-07535478-Dc4k0kTSGBCmoZctJB8okfWI5fg`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3cbc3890-8e7c-5a63-9b58-e05e45757e83  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3cbc3890-8e7c-5a63-9b58-e05e45757e83  

## Ownership & control

### Holdings / subsidiaries

- **MASON DEVELOPMENTS LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/6ebe420c-047e-51e7-823f-41df88099c81

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Ryan James Mason**. Human view: https://whiteintel.dev/entity/3cbc3890-8e7c-5a63-9b58-e05e45757e83 · Structured JSON: https://whiteintel.dev/api/public/dossier/3cbc3890-8e7c-5a63-9b58-e05e45757e83._

_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"._