---
title: "MED QUALITY SAUDE — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d34e4a2e-e419-5c4b-a666-53c1ce52c131
json: https://whiteintel.dev/api/public/dossier/d34e4a2e-e419-5c4b-a666-53c1ce52c131
identifier: br-cnpj:03684820
jurisdiction: BR
source: WhiteIntel corporate-ownership graph
---

# MED QUALITY SAUDE

**Type:** Company  
**Jurisdiction:** [BR](https://whiteintel.dev/jurisdictions/br)  
**Identifier:** `br-cnpj:03684820`  
**Canonical dossier:** https://whiteintel.dev/entity/d34e4a2e-e419-5c4b-a666-53c1ce52c131  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d34e4a2e-e419-5c4b-a666-53c1ce52c131  

## Registry profile

- **Legal form:** `2232`  
- **Source:** RFB-CNPJ  

## Ownership & control

### Owners / controllers

- **FABIO NEFFA VIEIRA DE CASTRO** (owner) — https://whiteintel.dev/entity/dfad9926-a1e8-5132-90bc-38dd04cd090b
- **LEONARDO FONTENELE EKSTERMAN** (owner) — https://whiteintel.dev/entity/ee28e223-c39d-54d2-a518-6d4f8ae8287d

### UBO chain (walk to the ultimate owner)

A **2-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- rfb_cnpj — https://casadosdados.com.br/solucao/cnpj/03684820

## 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 **MED QUALITY SAUDE** — https://whiteintel.dev/entity/d34e4a2e-e419-5c4b-a666-53c1ce52c131 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MED QUALITY SAUDE**. Human view: https://whiteintel.dev/entity/d34e4a2e-e419-5c4b-a666-53c1ce52c131 · Structured JSON: https://whiteintel.dev/api/public/dossier/d34e4a2e-e419-5c4b-a666-53c1ce52c131._

_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"._