---
title: "Jonathan Mark Grubb — Ownership Dossier"
canonical: https://whiteintel.dev/entity/040b0a13-e644-4f11-a553-250084c2e1a4
json: https://whiteintel.dev/api/public/dossier/040b0a13-e644-4f11-a553-250084c2e1a4
identifier: psc:_yelfz7FyTwZa_Irr3ruHX9ZDek
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Jonathan Mark Grubb

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:_yelfz7FyTwZa_Irr3ruHX9ZDek`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/040b0a13-e644-4f11-a553-250084c2e1a4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/040b0a13-e644-4f11-a553-250084c2e1a4  

## Ownership & control

### Holdings / subsidiaries

- **JMGAQUA LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/7e7341c4-a559-5d7c-825f-b31247adbe38

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Jonathan Mark Grubb**. Human view: https://whiteintel.dev/entity/040b0a13-e644-4f11-a553-250084c2e1a4 · Structured JSON: https://whiteintel.dev/api/public/dossier/040b0a13-e644-4f11-a553-250084c2e1a4._

_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"._