---
title: "Mr Simon Long — Ownership Dossier"
canonical: https://whiteintel.dev/entity/51d7899d-e1fc-4a15-95a8-46b3659530fb
json: https://whiteintel.dev/api/public/dossier/51d7899d-e1fc-4a15-95a8-46b3659530fb
identifier: psc:CB5M53wSAlqW6dx345Yaj4716uQ
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Simon Long

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:CB5M53wSAlqW6dx345Yaj4716uQ`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/51d7899d-e1fc-4a15-95a8-46b3659530fb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/51d7899d-e1fc-4a15-95a8-46b3659530fb  

## Ownership & control

### Holdings / subsidiaries

- **WATERTIGHT PLUMBING SOLUTIONS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/0dd35a86-fc73-5cf8-be55-42f1c911b0b0

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Simon Long**. Human view: https://whiteintel.dev/entity/51d7899d-e1fc-4a15-95a8-46b3659530fb · Structured JSON: https://whiteintel.dev/api/public/dossier/51d7899d-e1fc-4a15-95a8-46b3659530fb._

_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"._