---
title: "GJB BUILDING & JOINERY LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/60dbef00-c1da-45f7-93ce-ed962008352d
json: https://whiteintel.dev/api/public/dossier/60dbef00-c1da-45f7-93ce-ed962008352d
identifier: gb-coh:16581150
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GJB BUILDING & JOINERY LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `gb-coh:16581150`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/60dbef00-c1da-45f7-93ce-ed962008352d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/60dbef00-c1da-45f7-93ce-ed962008352d  

## Ownership & control

### Owners / controllers

- **Jonathan Barker** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/bedadb3c-0946-4197-862a-8d031bec00ea
- **Gary Barker** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a08e2fa5-eddd-4c5c-89d6-d790253d3a62

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

A **2-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:** `16581150`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2025-07-14
- **Registered office:** 52A HIGH STREET, BEIGHTON, SHEFFIELD, S20 1ED
- **SIC:** 96090 - Other service activities n.e.c.

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/16581150

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GJB BUILDING & JOINERY LTD**. Human view: https://whiteintel.dev/entity/60dbef00-c1da-45f7-93ce-ed962008352d · Structured JSON: https://whiteintel.dev/api/public/dossier/60dbef00-c1da-45f7-93ce-ed962008352d._

_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"._