---
title: "Mr Mark Nielsen — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1f136cad-2217-4d69-bd4e-9eb45b2d4516
json: https://whiteintel.dev/api/public/dossier/1f136cad-2217-4d69-bd4e-9eb45b2d4516
identifier: psc:2NcY06YciUC7_mj4FPblg6KwuVc
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Mark Nielsen

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:2NcY06YciUC7_mj4FPblg6KwuVc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/1f136cad-2217-4d69-bd4e-9eb45b2d4516  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1f136cad-2217-4d69-bd4e-9eb45b2d4516  

## Ownership & control

### Holdings / subsidiaries

- **NIELSEN&CO LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4ccd3026-a707-5ec4-97c2-28da7ec8dd91

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Mark Nielsen**. Human view: https://whiteintel.dev/entity/1f136cad-2217-4d69-bd4e-9eb45b2d4516 · Structured JSON: https://whiteintel.dev/api/public/dossier/1f136cad-2217-4d69-bd4e-9eb45b2d4516._

_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"._