---
title: "KEYSTONE CONSTRUCTORS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/49cf6fa6-bffa-5434-8fc3-ea67cf1890eb
json: https://whiteintel.dev/api/public/dossier/49cf6fa6-bffa-5434-8fc3-ea67cf1890eb
identifier: oo:GB-COH-15633087
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KEYSTONE CONSTRUCTORS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-15633087`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/49cf6fa6-bffa-5434-8fc3-ea67cf1890eb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/49cf6fa6-bffa-5434-8fc3-ea67cf1890eb  

## Ownership & control

### Owners / controllers

- **Mr Juan Marais** (beneficial owner) — 100% — https://whiteintel.dev/entity/b273d036-e55c-5a38-bb33-3e768a2555ec
- **Nicholas Mann** (beneficial owner) — 100% — https://whiteintel.dev/entity/cf7436b7-8957-5bba-b6de-e0083dd42896
- **Nicholas Mann** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4cc88be9-6b81-4899-99d7-136fccaadff2
- **Mr Juan Marais** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/dc979873-4673-4078-82d5-7992d5e811b8

### 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:** `15633087`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2024-04-10
- **Registered office:** 94 Foregate Street, Chester, CH1 1HB, United Kingdom
- **SIC:** 22230

### Officers

- MARAIS, Juan — director · British · appointed 2024-09-02
- MANN, Nicholas — director · British · appointed 2024-04-10 · resigned 2024-09-02

### Beneficial owners (Persons with Significant Control)

- Mr Juan Marais — 75–100% shares · individual PSC · United Kingdom — since 2024-09-02
- Nicholas Mann — 75–100% shares · individual PSC · United Kingdom — ceased 2024-09-02

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15633087

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KEYSTONE CONSTRUCTORS LIMITED**. Human view: https://whiteintel.dev/entity/49cf6fa6-bffa-5434-8fc3-ea67cf1890eb · Structured JSON: https://whiteintel.dev/api/public/dossier/49cf6fa6-bffa-5434-8fc3-ea67cf1890eb._

_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"._