---
title: "Mr John Alistair Hugh Stein — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e1f3faf4-2e6a-457e-b471-e58b9a283f3d
json: https://whiteintel.dev/api/public/dossier/e1f3faf4-2e6a-457e-b471-e58b9a283f3d
identifier: psc:sBnA1Hx--XKSWhViq7IlXraAABQ
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Alistair Hugh Stein

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:sBnA1Hx--XKSWhViq7IlXraAABQ`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e1f3faf4-2e6a-457e-b471-e58b9a283f3d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e1f3faf4-2e6a-457e-b471-e58b9a283f3d  

## Ownership & control

### Holdings / subsidiaries

- **KEYSTREAM HOLDINGS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/5cef74db-daa0-5c82-acb5-1badbef3306e

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Alistair Hugh Stein**. Human view: https://whiteintel.dev/entity/e1f3faf4-2e6a-457e-b471-e58b9a283f3d · Structured JSON: https://whiteintel.dev/api/public/dossier/e1f3faf4-2e6a-457e-b471-e58b9a283f3d._

_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"._