---
title: "Mr Mark James Niemierko — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8a4d92bd-799a-4e06-920b-11683d183f7e
json: https://whiteintel.dev/api/public/dossier/8a4d92bd-799a-4e06-920b-11683d183f7e
identifier: psc:9oXY06xRWy88-4kdsWbMNwXWegE
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark James Niemierko

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:9oXY06xRWy88-4kdsWbMNwXWegE`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8a4d92bd-799a-4e06-920b-11683d183f7e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8a4d92bd-799a-4e06-920b-11683d183f7e  

## Ownership & control

### Holdings / subsidiaries

- **Niemierko Holdings Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/9ff1e863-97f6-46c9-93f8-0063aeb6dc24

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark James Niemierko**. Human view: https://whiteintel.dev/entity/8a4d92bd-799a-4e06-920b-11683d183f7e · Structured JSON: https://whiteintel.dev/api/public/dossier/8a4d92bd-799a-4e06-920b-11683d183f7e._

_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"._