---
title: "Mr John Williams — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9a6c85e9-e978-5db6-8a15-0a99d272cb1d
json: https://whiteintel.dev/api/public/dossier/9a6c85e9-e978-5db6-8a15-0a99d272cb1d
identifier: oo-person:GB-COH-PER-12482085-Weut66YFh_1uHgf3UbvkKBzrNZc
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Williams

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-12482085-Weut66YFh_1uHgf3UbvkKBzrNZc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/9a6c85e9-e978-5db6-8a15-0a99d272cb1d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9a6c85e9-e978-5db6-8a15-0a99d272cb1d  

## Ownership & control

### Holdings / subsidiaries

- **CT GROUNDWORKS & CIVILS LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/dbfae3af-deff-53f7-b4f5-caa3080ff611

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Williams**. Human view: https://whiteintel.dev/entity/9a6c85e9-e978-5db6-8a15-0a99d272cb1d · Structured JSON: https://whiteintel.dev/api/public/dossier/9a6c85e9-e978-5db6-8a15-0a99d272cb1d._

_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"._