---
title: "Mr Mark John Boyd — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d3a104d9-d6db-49c1-89ec-e3240966a7ad
json: https://whiteintel.dev/api/public/dossier/d3a104d9-d6db-49c1-89ec-e3240966a7ad
identifier: psc:hbYjbWiJyOBDS0sEdmMlRHW1igo
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark John Boyd

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:hbYjbWiJyOBDS0sEdmMlRHW1igo`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d3a104d9-d6db-49c1-89ec-e3240966a7ad  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d3a104d9-d6db-49c1-89ec-e3240966a7ad  

## Ownership & control

### Holdings / subsidiaries

- **COMPASS SECURITY INNOVATIONS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/2778e87f-a06d-52a6-bfc2-b2e7f9760f91

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark John Boyd**. Human view: https://whiteintel.dev/entity/d3a104d9-d6db-49c1-89ec-e3240966a7ad · Structured JSON: https://whiteintel.dev/api/public/dossier/d3a104d9-d6db-49c1-89ec-e3240966a7ad._

_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"._