---
title: "Marzena Swiderek-Jakubiak — Ownership Dossier"
canonical: https://whiteintel.dev/entity/5be19590-e561-5a45-bd4c-db728a01a4d9
json: https://whiteintel.dev/api/public/dossier/5be19590-e561-5a45-bd4c-db728a01a4d9
identifier: oo-person:GB-COH-PER-10225641-6rgQ9pK2fifT7oABtGsgvV44FBE
jurisdiction: PL
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Marzena Swiderek-Jakubiak

**Type:** Person  
**Jurisdiction:** PL  
**Identifier:** `oo-person:GB-COH-PER-10225641-6rgQ9pK2fifT7oABtGsgvV44FBE`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/5be19590-e561-5a45-bd4c-db728a01a4d9  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/5be19590-e561-5a45-bd4c-db728a01a4d9  

## Ownership & control

### Holdings / subsidiaries

- **JAC & DRILL CONSULTING LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/ed468258-09b7-5274-a7ff-783c93f005c9

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Marzena Swiderek-Jakubiak**. Human view: https://whiteintel.dev/entity/5be19590-e561-5a45-bd4c-db728a01a4d9 · Structured JSON: https://whiteintel.dev/api/public/dossier/5be19590-e561-5a45-bd4c-db728a01a4d9._

_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"._