---
title: "Mr Derek Lewis Mackay — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d8a32b94-110d-46f2-a8a8-e715d023fb9c
json: https://whiteintel.dev/api/public/dossier/d8a32b94-110d-46f2-a8a8-e715d023fb9c
identifier: psc:uuOOp-BmAlPf3lQstyK7dKFXxzI
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Derek Lewis Mackay

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:uuOOp-BmAlPf3lQstyK7dKFXxzI`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d8a32b94-110d-46f2-a8a8-e715d023fb9c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d8a32b94-110d-46f2-a8a8-e715d023fb9c  

## Ownership & control

### Holdings / subsidiaries

- **D & E MACKAY(CONTRACTORS)LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/31479c57-7ac2-5045-8929-6784400641be

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Derek Lewis Mackay**. Human view: https://whiteintel.dev/entity/d8a32b94-110d-46f2-a8a8-e715d023fb9c · Structured JSON: https://whiteintel.dev/api/public/dossier/d8a32b94-110d-46f2-a8a8-e715d023fb9c._

_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"._