---
title: "Mr Joseph Thomas Lock — Ownership Dossier"
canonical: https://whiteintel.dev/entity/57aa52cd-eb8a-5e04-b864-35aee33f8a54
json: https://whiteintel.dev/api/public/dossier/57aa52cd-eb8a-5e04-b864-35aee33f8a54
identifier: oo-person:GB-COH-PER-12588271-TgZ1s3kGZcPL4k-DOAi9RiqqIoo
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Joseph Thomas Lock

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-12588271-TgZ1s3kGZcPL4k-DOAi9RiqqIoo`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/57aa52cd-eb8a-5e04-b864-35aee33f8a54  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/57aa52cd-eb8a-5e04-b864-35aee33f8a54  

## Ownership & control

### Holdings / subsidiaries

- **LOCK VENTILATION SERVICES LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/78c6ddb9-4a72-52d9-a6aa-1adc2fff1fcf

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Joseph Thomas Lock**. Human view: https://whiteintel.dev/entity/57aa52cd-eb8a-5e04-b864-35aee33f8a54 · Structured JSON: https://whiteintel.dev/api/public/dossier/57aa52cd-eb8a-5e04-b864-35aee33f8a54._

_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"._