---
title: "Dr Diana Marion Barnes — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e53066a3-e2bb-5c29-aca7-d23c50bb7f0f
json: https://whiteintel.dev/api/public/dossier/e53066a3-e2bb-5c29-aca7-d23c50bb7f0f
identifier: oo-person:GB-COH-PER-01170718-NxZ6TjH0dOA-77k8rBc3FxDxS2Y
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Dr Diana Marion Barnes

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-01170718-NxZ6TjH0dOA-77k8rBc3FxDxS2Y`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e53066a3-e2bb-5c29-aca7-d23c50bb7f0f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e53066a3-e2bb-5c29-aca7-d23c50bb7f0f  

## Ownership & control

### Holdings / subsidiaries

- **MARTIN BARNES LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/92895e55-3bfb-5150-b2f2-e92a699ec4c0

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Dr Diana Marion Barnes**. Human view: https://whiteintel.dev/entity/e53066a3-e2bb-5c29-aca7-d23c50bb7f0f · Structured JSON: https://whiteintel.dev/api/public/dossier/e53066a3-e2bb-5c29-aca7-d23c50bb7f0f._

_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"._