---
title: "Mr John Leslie Stark — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4bec5b29-9783-4e5c-ab37-c8a9a42a9362
json: https://whiteintel.dev/api/public/dossier/4bec5b29-9783-4e5c-ab37-c8a9a42a9362
identifier: psc:8ftsj2Sm22o9Fge-VC8mYZIYSFM
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Leslie Stark

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:8ftsj2Sm22o9Fge-VC8mYZIYSFM`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4bec5b29-9783-4e5c-ab37-c8a9a42a9362  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4bec5b29-9783-4e5c-ab37-c8a9a42a9362  

## Ownership & control

### Holdings / subsidiaries

- **J.D. HEATING AND PLUMBING AND MECHANICAL SERVICES LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/97e2cb10-8c27-51c6-a596-5ff39a4d631b

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Leslie Stark**. Human view: https://whiteintel.dev/entity/4bec5b29-9783-4e5c-ab37-c8a9a42a9362 · Structured JSON: https://whiteintel.dev/api/public/dossier/4bec5b29-9783-4e5c-ab37-c8a9a42a9362._

_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"._