---
title: "DU CONSTRUCTION LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4bbfe64d-bd38-5852-808e-8d31e4a08780
json: https://whiteintel.dev/api/public/dossier/4bbfe64d-bd38-5852-808e-8d31e4a08780
identifier: oo:GB-COH-03182086
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# DU CONSTRUCTION LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-03182086`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4bbfe64d-bd38-5852-808e-8d31e4a08780  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4bbfe64d-bd38-5852-808e-8d31e4a08780  

## Ownership & control

### Owners / controllers

- **Mr Mark Ashley Blackwell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/fa57f217-5f1a-42e3-aaee-8416aab37b97
- **Mrs Sandra Blackwell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/404892de-151f-4bc9-9a12-cf168135f81c

### Holdings / subsidiaries

- **LLETROED FAWR ESTATE MANAGEMENT COMPANY LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/5d435dbc-9c6e-599e-9ed3-e1bc6e86da8d

### 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:** `03182086`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1996-04-03
- **Registered office:** Glaslyn Ffordd Y Parc, Parc Menai, Bangor, Gwynedd, LL57 4FE, Wales
- **SIC:** 42990

### Officers

- BLACKWELL, Sandra — secretary · British · appointed 2008-03-28
- BLACKWELL, Mark Ashley — director · British · appointed 1996-04-03
- BLACKWELL, Sandra — director · British · appointed 2010-12-10
- JONES, Graham Alan — secretary · British · appointed 1996-04-03 · resigned 2008-03-28
- SWIFT INCORPORATIONS LIMITED — corporate nominee secretary · appointed 1996-04-03 · resigned 1996-04-03

### Beneficial owners (Persons with Significant Control)

- Mrs Sandra Blackwell — 25–50% shares · individual PSC · Wales — since 2016-04-06
- Mr Mark Ashley Blackwell — 25–50% shares · individual PSC · Wales — since 2016-04-06

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/03182086
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03182086

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **DU CONSTRUCTION LIMITED**. Human view: https://whiteintel.dev/entity/4bbfe64d-bd38-5852-808e-8d31e4a08780 · Structured JSON: https://whiteintel.dev/api/public/dossier/4bbfe64d-bd38-5852-808e-8d31e4a08780._

_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"._