---
title: "Mr Leonidas Tsementzis — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2d33f067-e191-4b6b-933f-b1fbdbf5d1a8
json: https://whiteintel.dev/api/public/dossier/2d33f067-e191-4b6b-933f-b1fbdbf5d1a8
identifier: psc:nddb4bZTHzVXV-zcn8NrQEdIBcI
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Leonidas Tsementzis

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:nddb4bZTHzVXV-zcn8NrQEdIBcI`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2d33f067-e191-4b6b-933f-b1fbdbf5d1a8  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2d33f067-e191-4b6b-933f-b1fbdbf5d1a8  

## Ownership & control

### Holdings / subsidiaries

- **LIGHTWATCH LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8b397cb5-ad60-5c03-b7eb-2ff7f005f2e8

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Leonidas Tsementzis**. Human view: https://whiteintel.dev/entity/2d33f067-e191-4b6b-933f-b1fbdbf5d1a8 · Structured JSON: https://whiteintel.dev/api/public/dossier/2d33f067-e191-4b6b-933f-b1fbdbf5d1a8._

_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"._