---
title: "ARTHUR PORTO TOMAZ — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ef2323a2-3d2e-5781-80ad-92056a9b406e
json: https://whiteintel.dev/api/public/dossier/ef2323a2-3d2e-5781-80ad-92056a9b406e
jurisdiction: BR
source: WhiteIntel corporate-ownership graph
---

# ARTHUR PORTO TOMAZ

**Type:** Person  
**Jurisdiction:** [BR](https://whiteintel.dev/jurisdictions/br)  
**Canonical dossier:** https://whiteintel.dev/entity/ef2323a2-3d2e-5781-80ad-92056a9b406e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ef2323a2-3d2e-5781-80ad-92056a9b406e  

## Provenance

- rfb_cnpj — https://casadosdados.com.br/solucao/cnpj/55148578

## 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 **ARTHUR PORTO TOMAZ** — https://whiteintel.dev/entity/ef2323a2-3d2e-5781-80ad-92056a9b406e · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ARTHUR PORTO TOMAZ**. Human view: https://whiteintel.dev/entity/ef2323a2-3d2e-5781-80ad-92056a9b406e · Structured JSON: https://whiteintel.dev/api/public/dossier/ef2323a2-3d2e-5781-80ad-92056a9b406e._

_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"._