---
title: "John Brian Mackay — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b6e04ea0-da77-49aa-a3da-c9c5409d701e
json: https://whiteintel.dev/api/public/dossier/b6e04ea0-da77-49aa-a3da-c9c5409d701e
identifier: psc:7rM-lk4rgtPpF6Ny6-bE0byVOBU
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# John Brian Mackay

**Type:** Organization  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:7rM-lk4rgtPpF6Ny6-bE0byVOBU`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b6e04ea0-da77-49aa-a3da-c9c5409d701e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b6e04ea0-da77-49aa-a3da-c9c5409d701e  

## Ownership & control

### Holdings / subsidiaries

- **PASSWORD PRODUCTIONS LTD.** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d77a382c-cb35-555b-a221-980801b53842

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **John Brian Mackay**. Human view: https://whiteintel.dev/entity/b6e04ea0-da77-49aa-a3da-c9c5409d701e · Structured JSON: https://whiteintel.dev/api/public/dossier/b6e04ea0-da77-49aa-a3da-c9c5409d701e._

_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"._