---
title: "GUILHERME ARCHER DE CASTILHO — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9326f182-74f8-5ab2-a2e4-2942e5d67d63
json: https://whiteintel.dev/api/public/dossier/9326f182-74f8-5ab2-a2e4-2942e5d67d63
jurisdiction: BR
source: WhiteIntel corporate-ownership graph
---

# GUILHERME ARCHER DE CASTILHO

**Type:** Person  
**Jurisdiction:** [BR](https://whiteintel.dev/jurisdictions/br)  
**Canonical dossier:** https://whiteintel.dev/entity/9326f182-74f8-5ab2-a2e4-2942e5d67d63  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9326f182-74f8-5ab2-a2e4-2942e5d67d63  

## Ownership & control

### Holdings / subsidiaries

- **COMPANHIA BRASILEIRA DE COMPONENTES** (owner) — https://whiteintel.dev/entity/18afc1ff-0437-5083-97bd-cd94e9c9c200
- **PRT INVESTIMENTOS LTDA.** (owner) — https://whiteintel.dev/entity/9c607095-9c31-53cf-94b3-fe37216a1eec
- **ADIBOARD S.A. - GRUPO ITAUTEC PHILCO** (owner) — https://whiteintel.dev/entity/b459887e-d0b6-5270-8902-7716197a7118
- **ITAUTEC INFORMATICA S.A. - GRUPO ITAUTEC** (owner) — https://whiteintel.dev/entity/16b07193-3de3-5dbf-8df6-742b7aae7a3e
- **C2H AGRICOLA S.A.** (owner) — https://whiteintel.dev/entity/e43e8264-1793-51a0-a301-8850765170aa

## Provenance

- rfb_cnpj — https://casadosdados.com.br/solucao/cnpj/58132606

## 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 **GUILHERME ARCHER DE CASTILHO** — https://whiteintel.dev/entity/9326f182-74f8-5ab2-a2e4-2942e5d67d63 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GUILHERME ARCHER DE CASTILHO**. Human view: https://whiteintel.dev/entity/9326f182-74f8-5ab2-a2e4-2942e5d67d63 · Structured JSON: https://whiteintel.dev/api/public/dossier/9326f182-74f8-5ab2-a2e4-2942e5d67d63._

_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"._