---
title: "Mr Jon Martin Blackbourn — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b4bb7d4d-adeb-5ef1-bdf9-11304c0a2efe
json: https://whiteintel.dev/api/public/dossier/b4bb7d4d-adeb-5ef1-bdf9-11304c0a2efe
identifier: oo-person:GB-COH-PER-15279081-EUF41iEhyGm_ghE-DmUZDVXdUA8
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Jon Martin Blackbourn

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-15279081-EUF41iEhyGm_ghE-DmUZDVXdUA8`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b4bb7d4d-adeb-5ef1-bdf9-11304c0a2efe  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b4bb7d4d-adeb-5ef1-bdf9-11304c0a2efe  

## Ownership & control

### Holdings / subsidiaries

- **TCB PRESENTS LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/8d4b9ad6-f76b-59b7-82c0-76c856722256

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Jon Martin Blackbourn**. Human view: https://whiteintel.dev/entity/b4bb7d4d-adeb-5ef1-bdf9-11304c0a2efe · Structured JSON: https://whiteintel.dev/api/public/dossier/b4bb7d4d-adeb-5ef1-bdf9-11304c0a2efe._

_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"._