---
title: "PROSTONE LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ffd12fef-3f19-50c0-aaf8-b2d44299d4dc
json: https://whiteintel.dev/api/public/dossier/ffd12fef-3f19-50c0-aaf8-b2d44299d4dc
identifier: oo:GB-COH-06779296
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PROSTONE LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-06779296`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ffd12fef-3f19-50c0-aaf8-b2d44299d4dc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ffd12fef-3f19-50c0-aaf8-b2d44299d4dc  

## Ownership & control

### Owners / controllers

- **Mr John Arthur Probert** (beneficial owner) — 75% — https://whiteintel.dev/entity/dffd8ac3-b127-5d83-b62c-f3f0ee272077
- **Mr Joseph Probert** (beneficial owner) — 50% — https://whiteintel.dev/entity/00f1f64b-3433-5491-8335-c8e526a8f954
- **Mr John Arthur Probert** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/37dee072-6786-497c-a0ad-399f80d7e3c7
- **Mr Joseph Probert** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/44a9b650-fc4a-4739-b49c-4f0343a82207

### 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:** `06779296`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2008-12-23
- **Registered office:** Calf Barn, Shopland Road, Rochford, Essex, SS4 1LT, United Kingdom
- **SIC:** 96090

### Officers

- PROBERT, Joseph — director · British · appointed 2008-12-23
- PROBERT, Jodie — director · British · appointed 2009-08-25 · resigned 2016-08-08
- PROBERT, John Arthur — director · British · appointed 2016-08-08 · resigned 2021-10-05
- PROBERT, John Arthur — director · British · appointed 2010-01-14 · resigned 2020-11-09
- PROBERT, Peggy Ann — director · British · appointed 2010-05-20 · resigned 2016-08-08

### Beneficial owners (Persons with Significant Control)

- Mr Joseph Probert — 75–100% shares · individual PSC · United Kingdom — since 2016-04-06
- Mr John Arthur Probert — 50–75% shares · individual PSC · England — ceased 2021-08-09

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06779296
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06779296

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PROSTONE LTD**. Human view: https://whiteintel.dev/entity/ffd12fef-3f19-50c0-aaf8-b2d44299d4dc · Structured JSON: https://whiteintel.dev/api/public/dossier/ffd12fef-3f19-50c0-aaf8-b2d44299d4dc._

_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"._