---
title: "GREEN SLATE ASSOCIATES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3d225de1-e94f-4a7b-ad95-29fb1a8f6d43
json: https://whiteintel.dev/api/public/dossier/3d225de1-e94f-4a7b-ad95-29fb1a8f6d43
identifier: gb-coh:16338027
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GREEN SLATE ASSOCIATES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:16338027`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3d225de1-e94f-4a7b-ad95-29fb1a8f6d43  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3d225de1-e94f-4a7b-ad95-29fb1a8f6d43  

## Ownership & control

### Owners / controllers

- **Mr James Mason** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/07838e81-5e0b-40b4-9082-267eb5be17a0

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

A **1-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:** `16338027`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2025-03-24
- **Registered office:** 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom
- **SIC:** 70229

### Officers

- MASON, Ella — director · British · appointed 2025-03-24
- MASON, James — director · British · appointed 2025-03-24

### Beneficial owners (Persons with Significant Control)

- Mr James Mason — 75–100% shares · individual PSC · United Kingdom — since 2025-03-24

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16338027

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GREEN SLATE ASSOCIATES LIMITED**. Human view: https://whiteintel.dev/entity/3d225de1-e94f-4a7b-ad95-29fb1a8f6d43 · Structured JSON: https://whiteintel.dev/api/public/dossier/3d225de1-e94f-4a7b-ad95-29fb1a8f6d43._

_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"._