---
title: "Dr John William Porter — Ownership Dossier"
canonical: https://whiteintel.dev/entity/23779d54-fbaf-4630-a5c5-62dfd12c7f0b
json: https://whiteintel.dev/api/public/dossier/23779d54-fbaf-4630-a5c5-62dfd12c7f0b
identifier: psc:L3GKRzcRcEvbfHCnDGoQ770OR10
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Dr John William Porter

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:L3GKRzcRcEvbfHCnDGoQ770OR10`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/23779d54-fbaf-4630-a5c5-62dfd12c7f0b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/23779d54-fbaf-4630-a5c5-62dfd12c7f0b  

## Ownership & control

### Holdings / subsidiaries

- **CAMBRIDGEUE LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a4bb01ec-d61b-585d-b0bd-b101dd908481

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Dr John William Porter**. Human view: https://whiteintel.dev/entity/23779d54-fbaf-4630-a5c5-62dfd12c7f0b · Structured JSON: https://whiteintel.dev/api/public/dossier/23779d54-fbaf-4630-a5c5-62dfd12c7f0b._

_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"._