---
title: "Mrs Sabina Stefaniuk — Ownership Dossier"
canonical: https://whiteintel.dev/entity/bf02e54b-7bc0-5f91-a10d-c4b79f9cc99f
json: https://whiteintel.dev/api/public/dossier/bf02e54b-7bc0-5f91-a10d-c4b79f9cc99f
identifier: oo-person:GB-COH-PER-13672134-ssllGwdRlz1vrpfUDpYp5CoBJlM
jurisdiction: PL
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mrs Sabina Stefaniuk

**Type:** Person  
**Jurisdiction:** [PL](https://whiteintel.dev/jurisdictions/pl)  
**Identifier:** `oo-person:GB-COH-PER-13672134-ssllGwdRlz1vrpfUDpYp5CoBJlM`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/bf02e54b-7bc0-5f91-a10d-c4b79f9cc99f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/bf02e54b-7bc0-5f91-a10d-c4b79f9cc99f  

## Ownership & control

### Holdings / subsidiaries

- **BUILDMECH LTD** (beneficial owner) — 75% — https://whiteintel.dev/entity/e7f9e7bb-85d5-564e-90d3-8ea20a8f5dce

## Provenance

- OpenOwnership — https://www.openownership.org

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mrs Sabina Stefaniuk**. Human view: https://whiteintel.dev/entity/bf02e54b-7bc0-5f91-a10d-c4b79f9cc99f · Structured JSON: https://whiteintel.dev/api/public/dossier/bf02e54b-7bc0-5f91-a10d-c4b79f9cc99f._

_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"._