---
title: "Mr John Maddock — Ownership Dossier"
canonical: https://whiteintel.dev/entity/260a42fb-e6ec-5d82-a832-df86fed376b2
json: https://whiteintel.dev/api/public/dossier/260a42fb-e6ec-5d82-a832-df86fed376b2
identifier: oo-person:GB-COH-PER-14878929-3sqHLrC6tpPeZIjrMWTymprn6Tg
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Maddock

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-14878929-3sqHLrC6tpPeZIjrMWTymprn6Tg`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/260a42fb-e6ec-5d82-a832-df86fed376b2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/260a42fb-e6ec-5d82-a832-df86fed376b2  

## Ownership & control

### Holdings / subsidiaries

- **W&M ENGINEERING LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/c80955e1-4161-5646-8c96-6d6acd3554a2

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Maddock**. Human view: https://whiteintel.dev/entity/260a42fb-e6ec-5d82-a832-df86fed376b2 · Structured JSON: https://whiteintel.dev/api/public/dossier/260a42fb-e6ec-5d82-a832-df86fed376b2._

_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"._