---
title: "Mr Jack William Simpson — Ownership Dossier"
canonical: https://whiteintel.dev/entity/271b1347-c4cf-44f1-8fcd-2b71572f2fbe
json: https://whiteintel.dev/api/public/dossier/271b1347-c4cf-44f1-8fcd-2b71572f2fbe
identifier: psc:D_hXBimVrjcdkRL6n_w6IaA4RXs
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Jack William Simpson

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:D_hXBimVrjcdkRL6n_w6IaA4RXs`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/271b1347-c4cf-44f1-8fcd-2b71572f2fbe  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/271b1347-c4cf-44f1-8fcd-2b71572f2fbe  

## Ownership & control

### Holdings / subsidiaries

- **ISOVANT LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d4ebf147-85c0-485b-ba29-b95147e474b2

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Jack William Simpson**. Human view: https://whiteintel.dev/entity/271b1347-c4cf-44f1-8fcd-2b71572f2fbe · Structured JSON: https://whiteintel.dev/api/public/dossier/271b1347-c4cf-44f1-8fcd-2b71572f2fbe._

_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"._