---
title: "MAST ARCHITECTURE LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4de8a541-c276-54da-9373-0309e04eaf60
json: https://whiteintel.dev/api/public/dossier/4de8a541-c276-54da-9373-0309e04eaf60
identifier: oo:GB-COH-13843591
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MAST ARCHITECTURE LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-13843591`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4de8a541-c276-54da-9373-0309e04eaf60  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4de8a541-c276-54da-9373-0309e04eaf60  

## Ownership & control

### Owners / controllers

- **Matthew Richard Procter** (beneficial owner) — 50% — https://whiteintel.dev/entity/96a5dd90-263d-531c-8cd2-77c93181b03b
- **Mrs Stephanie Procter** (beneficial owner) — 50% — https://whiteintel.dev/entity/819ae4e6-9406-5990-8a7e-5a27214c67e8
- **Mrs Stephanie Procter** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/957f8bc9-cd91-4a86-bb43-772e1bbcece8
- **Matthew Richard Procter** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ff8727d6-b092-44e3-abd2-368024d64723

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

A **4-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:** `13843591`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2022-01-12
- **Registered office:** 65 Ack Lane West, Cheadle Hulme, Cheadle, Cheshire, SK8 7EU, England
- **SIC:** 71111

### Officers

- PROCTER, Matthew Richard — director · British · appointed 2024-09-25
- PROCTER, Stephanie — director · British · appointed 2022-01-12

### Beneficial owners (Persons with Significant Control)

- Matthew Richard Procter — 25–50% shares · individual PSC · England — since 2022-08-19
- Mrs Stephanie Procter — 25–50% shares · individual PSC · England — since 2022-01-12

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13843591
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/13843591

## 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 **MAST ARCHITECTURE LIMITED** — https://whiteintel.dev/entity/4de8a541-c276-54da-9373-0309e04eaf60 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MAST ARCHITECTURE LIMITED**. Human view: https://whiteintel.dev/entity/4de8a541-c276-54da-9373-0309e04eaf60 · Structured JSON: https://whiteintel.dev/api/public/dossier/4de8a541-c276-54da-9373-0309e04eaf60._

_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"._