---
title: "QUADSTONE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ddd91eac-32ed-4fa2-9467-0f2cac277e8e
json: https://whiteintel.dev/api/public/dossier/ddd91eac-32ed-4fa2-9467-0f2cac277e8e
identifier: gb-coh:17077441
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# QUADSTONE LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:17077441`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ddd91eac-32ed-4fa2-9467-0f2cac277e8e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ddd91eac-32ed-4fa2-9467-0f2cac277e8e  

## Ownership & control

### Owners / controllers

- **Ms Mui Chi Ng** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/4aff2d02-c42e-4a90-9ad0-b8feea27f402
- **Mr Wing Kin Chang** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/eeabddb9-1eed-47fe-97f2-bd24fe73e0aa

### 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:** `17077441`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2026-03-09
- **Registered office:** OFFICE 5, 197 MANCHESTER ROAD, ALTRINCHAM, WA14 5NU
- **SIC:** 62020 - Information technology consultancy activities

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/17077441

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **QUADSTONE LIMITED**. Human view: https://whiteintel.dev/entity/ddd91eac-32ed-4fa2-9467-0f2cac277e8e · Structured JSON: https://whiteintel.dev/api/public/dossier/ddd91eac-32ed-4fa2-9467-0f2cac277e8e._

_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"._