---
title: "Mr John Saville Simpson — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9c396fa2-3017-5e31-810b-2d0cb1ee4acd
json: https://whiteintel.dev/api/public/dossier/9c396fa2-3017-5e31-810b-2d0cb1ee4acd
identifier: oo-person:GB-COH-PER-03447098-n4lYp2PKgdje4ALyPJc_4v-SA7c
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Saville Simpson

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-03447098-n4lYp2PKgdje4ALyPJc_4v-SA7c`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/9c396fa2-3017-5e31-810b-2d0cb1ee4acd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9c396fa2-3017-5e31-810b-2d0cb1ee4acd  

## Ownership & control

### Holdings / subsidiaries

- **E C SIMPSON PLANT HIRE LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/98b8bc54-c386-521a-9a8a-0b6cdb5ea248

## Provenance

- OpenOwnership — https://www.openownership.org

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Saville Simpson**. Human view: https://whiteintel.dev/entity/9c396fa2-3017-5e31-810b-2d0cb1ee4acd · Structured JSON: https://whiteintel.dev/api/public/dossier/9c396fa2-3017-5e31-810b-2d0cb1ee4acd._

_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"._