---
title: "NATHALIA MARTINEZ — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ad352e8c-8d49-56dd-b7ff-f9e2bf59aefd
json: https://whiteintel.dev/api/public/dossier/ad352e8c-8d49-56dd-b7ff-f9e2bf59aefd
jurisdiction: BR
source: WhiteIntel corporate-ownership graph
---

# NATHALIA MARTINEZ

**Type:** Person  
**Jurisdiction:** [BR](https://whiteintel.dev/jurisdictions/br)  
**Canonical dossier:** https://whiteintel.dev/entity/ad352e8c-8d49-56dd-b7ff-f9e2bf59aefd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ad352e8c-8d49-56dd-b7ff-f9e2bf59aefd  

## Ownership & control

### Holdings / subsidiaries

- **GAIA MEDICINA INTEGRADA LTDA** (owner) — https://whiteintel.dev/entity/383ff3ef-d21a-5082-852d-d72ad054c226
- **MARTINEZ E GUERRA MEDICOS ASSOCIADOS S/S** (owner) — https://whiteintel.dev/entity/129ddb12-d953-5865-af12-118fdab7a761
- **MATTER GROUP ASSISTENCIA MEDICA LTDA** (owner) — https://whiteintel.dev/entity/989f4def-6f04-5142-aeb6-2ab08256e06a

## Provenance

- rfb_cnpj — https://casadosdados.com.br/solucao/cnpj/18384349

## 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 **NATHALIA MARTINEZ** — https://whiteintel.dev/entity/ad352e8c-8d49-56dd-b7ff-f9e2bf59aefd · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **NATHALIA MARTINEZ**. Human view: https://whiteintel.dev/entity/ad352e8c-8d49-56dd-b7ff-f9e2bf59aefd · Structured JSON: https://whiteintel.dev/api/public/dossier/ad352e8c-8d49-56dd-b7ff-f9e2bf59aefd._

_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"._