---
title: "MARCIA REGINA GROSS SOSTIZZO — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ac69e7c4-e91c-5316-ade4-8c3b4c18c9db
json: https://whiteintel.dev/api/public/dossier/ac69e7c4-e91c-5316-ade4-8c3b4c18c9db
jurisdiction: BR
source: WhiteIntel corporate-ownership graph
---

# MARCIA REGINA GROSS SOSTIZZO

**Type:** Person  
**Jurisdiction:** [BR](https://whiteintel.dev/jurisdictions/br)  
**Canonical dossier:** https://whiteintel.dev/entity/ac69e7c4-e91c-5316-ade4-8c3b4c18c9db  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ac69e7c4-e91c-5316-ade4-8c3b4c18c9db  

## Ownership & control

### Holdings / subsidiaries

- **I3 SERVICOS DE SAUDE LTDA** (owner) — https://whiteintel.dev/entity/a2bbbc9a-9335-54c7-92dd-e43afa44b8e6
- **ONIX ENGENHARIA LTDA** (owner) — https://whiteintel.dev/entity/2ddb6908-6c06-5481-85bd-85cf92469d48
- **MEDLIFE SERVICOS MEDICOS LTDA** (owner) — https://whiteintel.dev/entity/f9373a62-8f4b-5af5-a4b7-ef58278b3cd1

## Provenance

- rfb_cnpj — https://casadosdados.com.br/solucao/cnpj/35479436

## 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 **MARCIA REGINA GROSS SOSTIZZO** — https://whiteintel.dev/entity/ac69e7c4-e91c-5316-ade4-8c3b4c18c9db · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARCIA REGINA GROSS SOSTIZZO**. Human view: https://whiteintel.dev/entity/ac69e7c4-e91c-5316-ade4-8c3b4c18c9db · Structured JSON: https://whiteintel.dev/api/public/dossier/ac69e7c4-e91c-5316-ade4-8c3b4c18c9db._

_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"._