---
title: "Mr John Derek Turner — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c0e9135a-bc72-4698-a7d8-e10004c38d1b
json: https://whiteintel.dev/api/public/dossier/c0e9135a-bc72-4698-a7d8-e10004c38d1b
identifier: psc:agbWy7oGK9J6Mv7B3aVGAjbHlXE
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Derek Turner

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:agbWy7oGK9J6Mv7B3aVGAjbHlXE`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c0e9135a-bc72-4698-a7d8-e10004c38d1b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c0e9135a-bc72-4698-a7d8-e10004c38d1b  

## Ownership & control

### Holdings / subsidiaries

- **TURNER OFFSHORE SURVEY LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/296dc45d-bd3c-5864-b4a0-080fb2562157

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Derek Turner**. Human view: https://whiteintel.dev/entity/c0e9135a-bc72-4698-a7d8-e10004c38d1b · Structured JSON: https://whiteintel.dev/api/public/dossier/c0e9135a-bc72-4698-a7d8-e10004c38d1b._

_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"._