---
title: "David Henry Rock — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4e72a729-b0cd-4ec3-bed9-716a72140bb4
json: https://whiteintel.dev/api/public/dossier/4e72a729-b0cd-4ec3-bed9-716a72140bb4
identifier: psc:3TsSQJ1gQKOKEaOW1dIMN6FkNG8
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# David Henry Rock

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:3TsSQJ1gQKOKEaOW1dIMN6FkNG8`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4e72a729-b0cd-4ec3-bed9-716a72140bb4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4e72a729-b0cd-4ec3-bed9-716a72140bb4  

## Ownership & control

### Holdings / subsidiaries

- **THE CALVERLEY RESERVOIR SALES COMPANY LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/38629505-4ed7-5093-a19f-3455c01759a2

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **David Henry Rock**. Human view: https://whiteintel.dev/entity/4e72a729-b0cd-4ec3-bed9-716a72140bb4 · Structured JSON: https://whiteintel.dev/api/public/dossier/4e72a729-b0cd-4ec3-bed9-716a72140bb4._

_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"._