---
title: "Mr Martin Simon Blackburn — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cd490125-ef02-4ec1-bd2c-487dc2918c4b
json: https://whiteintel.dev/api/public/dossier/cd490125-ef02-4ec1-bd2c-487dc2918c4b
identifier: psc:mfyA7CIwnUKNqvFJLcSqu4nJY8I
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Martin Simon Blackburn

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:mfyA7CIwnUKNqvFJLcSqu4nJY8I`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cd490125-ef02-4ec1-bd2c-487dc2918c4b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cd490125-ef02-4ec1-bd2c-487dc2918c4b  

## Ownership & control

### Holdings / subsidiaries

- **B3 PROPERTY INVESTMENTS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/304e7e08-cefa-5442-920e-9d03d683c8eb

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Martin Simon Blackburn**. Human view: https://whiteintel.dev/entity/cd490125-ef02-4ec1-bd2c-487dc2918c4b · Structured JSON: https://whiteintel.dev/api/public/dossier/cd490125-ef02-4ec1-bd2c-487dc2918c4b._

_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"._