---
title: "Mr John Clarence Hartshorne — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3e7dad8a-bd2a-5c53-bfc2-32789acabfa2
json: https://whiteintel.dev/api/public/dossier/3e7dad8a-bd2a-5c53-bfc2-32789acabfa2
identifier: oo-person:GB-COH-PER-12192094-La1v3fPDH_AQlKDG1joorAFRQm4
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Clarence Hartshorne

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-12192094-La1v3fPDH_AQlKDG1joorAFRQm4`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3e7dad8a-bd2a-5c53-bfc2-32789acabfa2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3e7dad8a-bd2a-5c53-bfc2-32789acabfa2  

## Ownership & control

### Holdings / subsidiaries

- **YORKSHIRE WARM ROOFS LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/392fa450-6efc-5409-a694-615e007e9e1a

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Clarence Hartshorne**. Human view: https://whiteintel.dev/entity/3e7dad8a-bd2a-5c53-bfc2-32789acabfa2 · Structured JSON: https://whiteintel.dev/api/public/dossier/3e7dad8a-bd2a-5c53-bfc2-32789acabfa2._

_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"._