---
title: "TJACK BUILDING SERVICE LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/6de6d59e-bda9-5eac-87ad-6987f3d783aa
json: https://whiteintel.dev/api/public/dossier/6de6d59e-bda9-5eac-87ad-6987f3d783aa
identifier: oo:GB-COH-12404759
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TJACK BUILDING SERVICE LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-12404759`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/6de6d59e-bda9-5eac-87ad-6987f3d783aa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/6de6d59e-bda9-5eac-87ad-6987f3d783aa  

## Ownership & control

### Owners / controllers

- **Mr Tomasz Jackowiak** (beneficial owner) — 100% — https://whiteintel.dev/entity/1517f701-f16c-56ec-8d98-d3cdde2f29b3
- **Mr Tomasz Jackowiak** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/013fb495-c116-4a98-8894-b15a9a3a2e59

### 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:** `12404759`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2020-01-15
- **Registered office:** 12 Shillingford Road, Manchester, M18 7TQ, England
- **SIC:** 98000

### Officers

- JACKOWIAK, Tomasz — director · Polish · appointed 2020-01-15

### Beneficial owners (Persons with Significant Control)

- Mr Tomasz Jackowiak — 75–100% shares · individual PSC · England — since 2020-01-15

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12404759

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TJACK BUILDING SERVICE LTD**. Human view: https://whiteintel.dev/entity/6de6d59e-bda9-5eac-87ad-6987f3d783aa · Structured JSON: https://whiteintel.dev/api/public/dossier/6de6d59e-bda9-5eac-87ad-6987f3d783aa._

_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"._