---
title: "Mrs Catherine John — Ownership Dossier"
canonical: https://whiteintel.dev/entity/0eafdbfb-dfb2-4da1-b99b-eca455c274ff
json: https://whiteintel.dev/api/public/dossier/0eafdbfb-dfb2-4da1-b99b-eca455c274ff
identifier: psc:INMyoqwYfZLkpCRADleRURGHC-E
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mrs Catherine John

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:INMyoqwYfZLkpCRADleRURGHC-E`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/0eafdbfb-dfb2-4da1-b99b-eca455c274ff  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0eafdbfb-dfb2-4da1-b99b-eca455c274ff  

## Ownership & control

### Holdings / subsidiaries

- **CORNERSTONE FAMILY INVESTMENTS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/d6408183-498c-553d-9c0a-d304d78b56a9

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mrs Catherine John**. Human view: https://whiteintel.dev/entity/0eafdbfb-dfb2-4da1-b99b-eca455c274ff · Structured JSON: https://whiteintel.dev/api/public/dossier/0eafdbfb-dfb2-4da1-b99b-eca455c274ff._

_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"._