---
title: "REEF CUBES LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2bee8cee-850a-5cbb-a3d8-d237fe91cb1f
json: https://whiteintel.dev/api/public/dossier/2bee8cee-850a-5cbb-a3d8-d237fe91cb1f
identifier: oo:GB-COH-11807415
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# REEF CUBES LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-11807415`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2bee8cee-850a-5cbb-a3d8-d237fe91cb1f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2bee8cee-850a-5cbb-a3d8-d237fe91cb1f  

## Ownership & control

### Owners / controllers

- **ARC MARINE LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/c00e8fcb-1cb9-59a7-ba54-f16cbdf0f659
- **Mr James Benjamin Leslie John Doddrell** (beneficial owner) — 50% — https://whiteintel.dev/entity/fef845c0-c5b7-5840-be1b-db34d9f3248b
- **Mr Thomas Henry Holland Birbeck** (beneficial owner) — 50% — https://whiteintel.dev/entity/da866aed-46ea-594e-b630-a8cac985d14b
- **ARC MARINE LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c00e8fcb-1cb9-59a7-ba54-f16cbdf0f659

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

1. **ARC MARINE LTD** — beneficial owner 100% → *REEF CUBES LTD*
1. **Mr James Benjamin Leslie John Doddrell** — beneficial owner 50% → *REEF CUBES LTD*
1. **Mr Thomas Henry Holland Birbeck** — beneficial owner 50% → *REEF CUBES LTD*
1. **ARC MARINE LTD** — beneficial owner 87.5% → *REEF CUBES LTD*
2. **ARC MARINE GROUP LIMITED** — beneficial owner 100% → *ARC MARINE LTD*
2. **Mr James Doddrell** — beneficial owner 50% → *ARC MARINE LTD*
2. **Mr Thomas Henry Holland Birbeck** — beneficial owner 50% → *ARC MARINE LTD*
2. **Mr James Doddrell** — beneficial owner 37.5% → *ARC MARINE LTD*
2. **Mr Thomas Henry Holland Birbeck** — beneficial owner 37.5% → *ARC MARINE LTD*
2. **ARC MARINE GROUP LIMITED** — beneficial owner 87.5% → *ARC MARINE LTD*
3. **Mr Thomas Henry Holland Birbeck** — beneficial owner 50% → *ARC MARINE GROUP LIMITED*
3. **Mr James Doddrell** — beneficial owner 50% → *ARC MARINE GROUP LIMITED*
3. **Mr Thomas Henry Holland Birbeck** — beneficial owner 50% → *ARC MARINE GROUP LIMITED*
3. **Thomas Henry Holland Birbeck** — beneficial owner 37.5% → *ARC MARINE GROUP LIMITED*
3. **Mr James Doddrell** — beneficial owner 37.5% → *ARC MARINE GROUP LIMITED*
3. **Thomas Henry Holland Birbeck** — beneficial owner 37.5% → *ARC MARINE GROUP LIMITED*
3. **Thomas Henry Holland Birbeck** — beneficial owner 37.5% → *ARC MARINE GROUP LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `11807415`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-02-05
- **Registered office:** Arc Marine The Beacon, Beacon Quay, Torquay, Devon, TQ1 2BG, United Kingdom
- **SIC:** 23610, 23690, 72190

### Officers

- BIRBECK, Thomas Henry Holland — director · English · appointed 2019-02-05
- [MICHELMORES SECRETARIES LIMITED](https://whiteintel.dev/entity/8cf06add-8bc0-5624-8d04-cf1f1bfb71d7) — corporate secretary · appointed 2023-07-18 · resigned 2026-06-30
- [STEPHENS SCOWN SECRETARIAL LIMITED](https://whiteintel.dev/entity/0802d729-3a94-5559-8175-d4a9a4b473e1) — corporate secretary · appointed 2021-12-01 · resigned 2023-07-18
- DODDRELL, James Benjamin Leslie John — director · British · appointed 2019-02-05 · resigned 2021-01-01

### Beneficial owners (Persons with Significant Control)

- [Arc Marine Limited](https://whiteintel.dev/entity/c00e8fcb-1cb9-59a7-ba54-f16cbdf0f659) — 75–100% shares · corporate PSC · United Kingdom — since 2020-07-14
- Mr James Benjamin Leslie John Doddrell — 25–50% shares · individual PSC · United Kingdom — ceased 2020-07-14
- Mr Thomas Henry Holland Birbeck — 25–50% shares · individual PSC · United Kingdom — ceased 2020-07-14

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11807415
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11807415

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **REEF CUBES LTD**. Human view: https://whiteintel.dev/entity/2bee8cee-850a-5cbb-a3d8-d237fe91cb1f · Structured JSON: https://whiteintel.dev/api/public/dossier/2bee8cee-850a-5cbb-a3d8-d237fe91cb1f._

_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"._