---
title: "MARINA FERREIRA NIELSEN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/12b3c2f5-1a18-59b2-b297-e30ff8508470
json: https://whiteintel.dev/api/public/dossier/12b3c2f5-1a18-59b2-b297-e30ff8508470
jurisdiction: BR
source: WhiteIntel corporate-ownership graph
---

# MARINA FERREIRA NIELSEN

**Type:** Person  
**Jurisdiction:** [BR](https://whiteintel.dev/jurisdictions/br)  
**Canonical dossier:** https://whiteintel.dev/entity/12b3c2f5-1a18-59b2-b297-e30ff8508470  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/12b3c2f5-1a18-59b2-b297-e30ff8508470  

## Ownership & control

### Holdings / subsidiaries

- **MARINA NIELSEN SERVICOS MEDICOS LTDA** (owner) — https://whiteintel.dev/entity/e189c6df-995e-5e01-bd32-b056c3fc4abf
- **MARINA NIELSEN MEDICINA E SAUDE LTDA** (owner) — https://whiteintel.dev/entity/a10faf23-5b98-58f7-8636-d1e7e6dfe89e
- **MATERNAR CARE II SERVICOS DE MEDICINA LTDA** (owner) — https://whiteintel.dev/entity/44ec6714-2775-588e-aca6-058a1be02ef0

## Provenance

- rfb_cnpj — https://casadosdados.com.br/solucao/cnpj/61159105

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **MARINA FERREIRA NIELSEN** — https://whiteintel.dev/entity/12b3c2f5-1a18-59b2-b297-e30ff8508470 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARINA FERREIRA NIELSEN**. Human view: https://whiteintel.dev/entity/12b3c2f5-1a18-59b2-b297-e30ff8508470 · Structured JSON: https://whiteintel.dev/api/public/dossier/12b3c2f5-1a18-59b2-b297-e30ff8508470._

_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"._