---
title: "CASTLEMATTER LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e4d33552-fa24-5ff9-bf87-4847c8a796c9
json: https://whiteintel.dev/api/public/dossier/e4d33552-fa24-5ff9-bf87-4847c8a796c9
identifier: oo:GB-COH-03663062
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CASTLEMATTER LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-03663062`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e4d33552-fa24-5ff9-bf87-4847c8a796c9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e4d33552-fa24-5ff9-bf87-4847c8a796c9  

## Ownership & control

### Owners / controllers

- **Michael Arthur Webb** (beneficial owner) — 100% — https://whiteintel.dev/entity/138e344d-4193-52df-bd82-7333716c8acf
- **Michael Arthur Webb** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/802ba961-af78-42da-9e4e-7919ce65dd86
- **Miyazaki Corporation** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/78af0704-1325-4a88-9ed3-0ee08729075c

### Holdings / subsidiaries

- **FALMOUTH BOATYARD LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a5749927-c681-5ec4-a9fc-c326722c8f13

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

A **3-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `03663062`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1998-11-06
- **Registered office:** C/O Bishop Fleming, Chy Nyverow Newham Road, Truro, Cornwall, TR1 2DP
- **SIC:** 52101

### Officers

- PENNINGTON, Anthea Susan — secretary · British · appointed 1998-11-23
- WEBB, Michael Arthur — director · British · appointed 1998-11-23
- SWIFT INCORPORATIONS LIMITED — corporate nominee secretary · appointed 1998-11-06 · resigned 1998-11-23
- INSTANT COMPANIES LIMITED — corporate nominee director · appointed 1998-11-06 · resigned 1998-11-23

### Beneficial owners (Persons with Significant Control)

- Michael Arthur Webb — 75–100% shares · individual PSC · England — since 2019-11-15
- Cays Marine & Leisure Corp — 75–100% shares · corporate PSC · United Kingdom — ceased 2019-11-15

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/03663062
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03663062

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CASTLEMATTER LIMITED**. Human view: https://whiteintel.dev/entity/e4d33552-fa24-5ff9-bf87-4847c8a796c9 · Structured JSON: https://whiteintel.dev/api/public/dossier/e4d33552-fa24-5ff9-bf87-4847c8a796c9._

_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"._