---
title: "Ms Joanna Leigh Warner — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a9ceba73-dbfd-5a2f-8ad7-903fc5ce2e99
json: https://whiteintel.dev/api/public/dossier/a9ceba73-dbfd-5a2f-8ad7-903fc5ce2e99
identifier: oo-person:GB-COH-PER-08127872-n3ITAYOmUCzJqwm8ZjJiSXMUgK4
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Ms Joanna Leigh Warner

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-08127872-n3ITAYOmUCzJqwm8ZjJiSXMUgK4`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a9ceba73-dbfd-5a2f-8ad7-903fc5ce2e99  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a9ceba73-dbfd-5a2f-8ad7-903fc5ce2e99  

## Ownership & control

### Holdings / subsidiaries

- **HUTCHINSON MARINE SERVICES LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/89714ba2-57f7-5154-8bab-b9c184683624

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Ms Joanna Leigh Warner**. Human view: https://whiteintel.dev/entity/a9ceba73-dbfd-5a2f-8ad7-903fc5ce2e99 · Structured JSON: https://whiteintel.dev/api/public/dossier/a9ceba73-dbfd-5a2f-8ad7-903fc5ce2e99._

_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"._