---
title: "Mr Sebastian Ustrobinski — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5d41566a-e8d9-52e2-95ed-567f1cbd5a65
json: https://whiteintel.dev/api/public/dossier/5d41566a-e8d9-52e2-95ed-567f1cbd5a65
identifier: oo-person:GB-COH-PER-10467796-kVCsTs6Ts5HZjnAQxbczqQIUhGc
jurisdiction: PL
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Sebastian Ustrobinski

**Type:** Person  
**Jurisdiction:** PL  
**Identifier:** `oo-person:GB-COH-PER-10467796-kVCsTs6Ts5HZjnAQxbczqQIUhGc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5d41566a-e8d9-52e2-95ed-567f1cbd5a65  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5d41566a-e8d9-52e2-95ed-567f1cbd5a65  

## Ownership & control

### Holdings / subsidiaries

- **SEB STEEL LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/e04b5628-afb0-5e21-b7a7-48d1e19786ca

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Sebastian Ustrobinski**. Human view: https://whiteintel.dev/entity/5d41566a-e8d9-52e2-95ed-567f1cbd5a65 · Structured JSON: https://whiteintel.dev/api/public/dossier/5d41566a-e8d9-52e2-95ed-567f1cbd5a65._

_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"._