---
title: "Mr Mark Sumpter Whitney — Ownership Dossier"
canonical: https://whiteintel.dev/entity/af0d671d-a9db-50dd-b0cd-e01648cc313a
json: https://whiteintel.dev/api/public/dossier/af0d671d-a9db-50dd-b0cd-e01648cc313a
identifier: oo-person:GB-COH-PER-OC307824-8LnY_oP4A5lpe4fFaa1esPeF7eU
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Sumpter Whitney

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-OC307824-8LnY_oP4A5lpe4fFaa1esPeF7eU`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/af0d671d-a9db-50dd-b0cd-e01648cc313a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/af0d671d-a9db-50dd-b0cd-e01648cc313a  

## Ownership & control

### Holdings / subsidiaries

- **CKN STORAGE LLP** (beneficial owner) — 50% — https://whiteintel.dev/entity/20352378-a1ca-504c-ae19-947f9c0c202a

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Sumpter Whitney**. Human view: https://whiteintel.dev/entity/af0d671d-a9db-50dd-b0cd-e01648cc313a · Structured JSON: https://whiteintel.dev/api/public/dossier/af0d671d-a9db-50dd-b0cd-e01648cc313a._

_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"._