---
title: "Mr Mark Donald Williams — Ownership Dossier"
canonical: https://whiteintel.dev/entity/effbbe05-d2a4-41de-894f-d7fb442ac212
json: https://whiteintel.dev/api/public/dossier/effbbe05-d2a4-41de-894f-d7fb442ac212
identifier: psc:jHQ6q3Sd3PosblShn8kALWEOTW8
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Donald Williams

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:jHQ6q3Sd3PosblShn8kALWEOTW8`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/effbbe05-d2a4-41de-894f-d7fb442ac212  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/effbbe05-d2a4-41de-894f-d7fb442ac212  

## Ownership & control

### Holdings / subsidiaries

- **THE WHITE HART (OLD LEAKE) LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/2690baff-6a0f-5b76-8572-e1aa6f546ef2

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Donald Williams**. Human view: https://whiteintel.dev/entity/effbbe05-d2a4-41de-894f-d7fb442ac212 · Structured JSON: https://whiteintel.dev/api/public/dossier/effbbe05-d2a4-41de-894f-d7fb442ac212._

_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"._