---
title: "CLAY MAC LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/528bdbff-ced7-56c5-ac85-188aa8a0d7e9
json: https://whiteintel.dev/api/public/dossier/528bdbff-ced7-56c5-ac85-188aa8a0d7e9
identifier: oo:GB-COH-09390804
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CLAY MAC LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-09390804`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/528bdbff-ced7-56c5-ac85-188aa8a0d7e9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/528bdbff-ced7-56c5-ac85-188aa8a0d7e9  

## Ownership & control

### Owners / controllers

- **Mrs Mary Elizabeth Porter** (beneficial owner) — 50% — https://whiteintel.dev/entity/d777fb10-bf0c-5599-ae3a-4a8d9934f164
- **Mrs Mary Elizabeth Porter** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/418bb190-b957-4503-8a88-25481450da98
- **Mr David Andrew Porter** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/59055687-ef5d-4abf-a852-d22a0f58f423

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

A **3-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 (UK Companies House — WhiteIntel corpus snapshot, not a live lookup)

- **Company number:** `09390804`
- **Status:** Liquidation
- **Type:** Private Limited Company
- **Incorporated:** 2015-01-15
- **Registered office:** C/O MARSHALL PETERS, HESKIN HALL FARM, HESKIN, PRESTON, PR7 5PA
- **SIC:** 28131 - Manufacture of pumps, 28240 - Manufacture of power-driven hand tools, 28921 - Manufacture of machinery for mining

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09390804
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09390804

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CLAY MAC LTD**. Human view: https://whiteintel.dev/entity/528bdbff-ced7-56c5-ac85-188aa8a0d7e9 · Structured JSON: https://whiteintel.dev/api/public/dossier/528bdbff-ced7-56c5-ac85-188aa8a0d7e9._

_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"._