---
title: "DIAMOND ALLOYS SWANSEA LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/71cf788d-e405-5af0-8378-73614e902a3e
json: https://whiteintel.dev/api/public/dossier/71cf788d-e405-5af0-8378-73614e902a3e
identifier: oo:GB-COH-12799073
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# DIAMOND ALLOYS SWANSEA LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12799073`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/71cf788d-e405-5af0-8378-73614e902a3e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/71cf788d-e405-5af0-8378-73614e902a3e  

## Ownership & control

### Owners / controllers

- **Mr Matthew Ryan Walsh** (beneficial owner) — 100% — https://whiteintel.dev/entity/f9f41665-580c-5044-8e7c-239b131cdcb8
- **Mr Matthew Ryan Walsh** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c947c9d8-4fef-4e0b-9344-bb3ad10519a6

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

A **2-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:** `12799073`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2020-08-07
- **Registered office:** Avc House, 21 Northampton Lane, Swansea, SA1 4EH, Wales
- **SIC:** 45200

### Officers

- WALSH, Matthew Ryan — director · British · appointed 2020-08-07

### Beneficial owners (Persons with Significant Control)

- Mr Matthew Ryan Walsh — 75–100% shares · individual PSC · Wales — since 2020-08-07

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12799073
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12799073

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **DIAMOND ALLOYS SWANSEA LIMITED**. Human view: https://whiteintel.dev/entity/71cf788d-e405-5af0-8378-73614e902a3e · Structured JSON: https://whiteintel.dev/api/public/dossier/71cf788d-e405-5af0-8378-73614e902a3e._

_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"._