---
title: "Mr Sidney Walter William Berwick — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f9c2016e-b264-44dc-8bd2-7dc5650b8b83
json: https://whiteintel.dev/api/public/dossier/f9c2016e-b264-44dc-8bd2-7dc5650b8b83
identifier: psc:BqurGXmCXRceKNJmogqywMeq67E
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Sidney Walter William Berwick

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:BqurGXmCXRceKNJmogqywMeq67E`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f9c2016e-b264-44dc-8bd2-7dc5650b8b83  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f9c2016e-b264-44dc-8bd2-7dc5650b8b83  

## Ownership & control

### Holdings / subsidiaries

- **HARFORD HOUSE MAINTENANCE LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/26545a97-665b-5091-9b7a-56020be02f0c

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Sidney Walter William Berwick**. Human view: https://whiteintel.dev/entity/f9c2016e-b264-44dc-8bd2-7dc5650b8b83 · Structured JSON: https://whiteintel.dev/api/public/dossier/f9c2016e-b264-44dc-8bd2-7dc5650b8b83._

_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"._