---
title: "Mr John Alwyn Humphreys — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5fb06d61-eb0f-4e9c-8958-6f87c3967775
json: https://whiteintel.dev/api/public/dossier/5fb06d61-eb0f-4e9c-8958-6f87c3967775
identifier: psc:Zs9QP9j0LkHiKTMHeWFQhQj52uc
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Alwyn Humphreys

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:Zs9QP9j0LkHiKTMHeWFQhQj52uc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5fb06d61-eb0f-4e9c-8958-6f87c3967775  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5fb06d61-eb0f-4e9c-8958-6f87c3967775  

## Ownership & control

### Holdings / subsidiaries

- **J.J. SIGMAGRAPHICS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c9ed42cf-e00e-54d8-891c-566eed66976e

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Alwyn Humphreys**. Human view: https://whiteintel.dev/entity/5fb06d61-eb0f-4e9c-8958-6f87c3967775 · Structured JSON: https://whiteintel.dev/api/public/dossier/5fb06d61-eb0f-4e9c-8958-6f87c3967775._

_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"._