---
title: "Mr William John Armstrong — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a2c4887f-e7f1-5eed-9d51-40b352941e45
json: https://whiteintel.dev/api/public/dossier/a2c4887f-e7f1-5eed-9d51-40b352941e45
identifier: oo-person:GB-COH-PER-07927966-JAbaR0ZlLXaA9Rkpdcik6oj_07Y
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr William John Armstrong

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-07927966-JAbaR0ZlLXaA9Rkpdcik6oj_07Y`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a2c4887f-e7f1-5eed-9d51-40b352941e45  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a2c4887f-e7f1-5eed-9d51-40b352941e45  

## Ownership & control

### Holdings / subsidiaries

- **W J ARMSTRONG (CONSTRUCTION) LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/23242c38-03df-582f-8da8-13e41d469983

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr William John Armstrong**. Human view: https://whiteintel.dev/entity/a2c4887f-e7f1-5eed-9d51-40b352941e45 · Structured JSON: https://whiteintel.dev/api/public/dossier/a2c4887f-e7f1-5eed-9d51-40b352941e45._

_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"._