---
title: "MAS DEVELOP LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/47525bf4-33c6-5a5e-ae8a-e8efda370e67
json: https://whiteintel.dev/api/public/dossier/47525bf4-33c6-5a5e-ae8a-e8efda370e67
identifier: oo:GB-COH-12207727
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MAS DEVELOP LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12207727`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/47525bf4-33c6-5a5e-ae8a-e8efda370e67  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/47525bf4-33c6-5a5e-ae8a-e8efda370e67  

## Ownership & control

### Owners / controllers

- **Mr Mason Quincey** (beneficial owner) — 100% — https://whiteintel.dev/entity/1046d8ad-a7e1-5e10-88bf-4946014e96d9
- **Astute Capital Advisors Ltd.** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/b54c15bf-7c57-4348-9f02-542d4bbf45f1
- **Mr Mason Quincey** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/2042780f-0c67-48b8-b164-7e4386c8f684

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

A **7-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:** `12207727`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-09-16
- **Registered office:** 424 Margate Road, Ramsgate, Kent, CT12 6SJ, England
- **SIC:** 41100

### Officers

- BAXTER, Mark John — director · British,Australian · appointed 2019-09-16 · resigned 2020-02-14
- QUINCEY, Alexandria — director · British · appointed 2020-01-24 · resigned 2024-07-25
- QUINCEY, Mason — director · British · appointed 2019-09-16 · resigned 2025-07-15
- SYMONDSON, Adrian David — director · British · appointed 2019-09-16 · resigned 2020-11-11

### Beneficial owners (Persons with Significant Control)

- Mr Mason Quincey — 75–100% shares · individual PSC · England — since 2019-09-16
- [Astute Capital Advisors Limited](https://whiteintel.dev/entity/b54c15bf-7c57-4348-9f02-542d4bbf45f1) — 25–50% shares · corporate PSC · United Kingdom — ceased 2020-11-11

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12207727
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12207727

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **MAS DEVELOP LTD** — https://whiteintel.dev/entity/47525bf4-33c6-5a5e-ae8a-e8efda370e67 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MAS DEVELOP LTD**. Human view: https://whiteintel.dev/entity/47525bf4-33c6-5a5e-ae8a-e8efda370e67 · Structured JSON: https://whiteintel.dev/api/public/dossier/47525bf4-33c6-5a5e-ae8a-e8efda370e67._

_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"._