---
title: "MARINE MASTERCLASS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6db7de69-935e-52f0-bf48-02458aaa62c8
json: https://whiteintel.dev/api/public/dossier/6db7de69-935e-52f0-bf48-02458aaa62c8
identifier: oo:GB-COH-10378701
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MARINE MASTERCLASS LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-10378701`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/6db7de69-935e-52f0-bf48-02458aaa62c8  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6db7de69-935e-52f0-bf48-02458aaa62c8  

## Ownership & control

### Owners / controllers

- **Mrs Tansu Dilek Oliver** (beneficial owner) — 50% — https://whiteintel.dev/entity/2608e4ba-3f82-5a2d-96d4-b72883ef8137
- **Captain Edmund Robert Hadnett** (beneficial owner) — 50% — https://whiteintel.dev/entity/30bb944b-c37d-5c45-a9fc-973a052ebb55
- **Captain Edmund Robert Hadnett** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/2946e411-e783-4647-bc31-ab665afea3ec

### Holdings / subsidiaries

- **THAMES MARINE ACADEMY LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/321b6cb0-9b70-53c9-9327-2815f290c29d
- **THAMES MARINE ACADEMY LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/321b6cb0-9b70-53c9-9327-2815f290c29d

### UBO chain (walk to the ultimate owner)

1. **Mrs Tansu Dilek Oliver** — beneficial owner 50% → *MARINE MASTERCLASS LTD*
1. **Captain Edmund Robert Hadnett** — beneficial owner 50% → *MARINE MASTERCLASS LTD*
1. **Captain Edmund Robert Hadnett** — beneficial owner 37.5% → *MARINE MASTERCLASS LTD*

## Company profile (live · UK Companies House)

- **Company number:** `10378701`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-09-16
- **Registered office:** 196 Glaziers Lane, Normandy, Guildford, GU3 2ED, England
- **SIC:** 82990

### Officers

- HADNETT, Edmund Robert, Captain — director · British · appointed 2016-09-16
- OLIVER, Tansu Dilek — director · British · appointed 2022-04-01

### Beneficial owners (Persons with Significant Control)

- Mrs Tansu Dilek Oliver — 25–50% shares · individual PSC · England — since 2022-09-29
- Captain Edmund Robert Hadnett — 25–50% shares · individual PSC · England — since 2016-09-16

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10378701
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10378701

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARINE MASTERCLASS LTD**. Human view: https://whiteintel.dev/entity/6db7de69-935e-52f0-bf48-02458aaa62c8 · Structured JSON: https://whiteintel.dev/api/public/dossier/6db7de69-935e-52f0-bf48-02458aaa62c8._

_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"._