---
title: "Mr. Mark Williams — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f68185f0-e8d0-4fc7-b917-af1edac74e6f
json: https://whiteintel.dev/api/public/dossier/f68185f0-e8d0-4fc7-b917-af1edac74e6f
identifier: psc:DqNU7m119r1TAlBQkxq2utx7h8Q
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr. Mark Williams

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:DqNU7m119r1TAlBQkxq2utx7h8Q`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f68185f0-e8d0-4fc7-b917-af1edac74e6f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f68185f0-e8d0-4fc7-b917-af1edac74e6f  

## Ownership & control

### Holdings / subsidiaries

- **MARK WILLIAMS STONEWORK LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/28b80400-bb5a-5fa4-8c5b-5de09e55f543

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr. Mark Williams**. Human view: https://whiteintel.dev/entity/f68185f0-e8d0-4fc7-b917-af1edac74e6f · Structured JSON: https://whiteintel.dev/api/public/dossier/f68185f0-e8d0-4fc7-b917-af1edac74e6f._

_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"._