---
title: "COMPANHIA SIDERURGICA NACIONAL — Ownership Dossier"
canonical: https://whiteintel.dev/entity/11039313-7551-5e26-9f6c-3e0daa4abefe
json: https://whiteintel.dev/api/public/dossier/11039313-7551-5e26-9f6c-3e0daa4abefe
identifier: br-cnpj:33042730
jurisdiction: BR
source: WhiteIntel corporate-ownership graph
---

# COMPANHIA SIDERURGICA NACIONAL

**Type:** Company  
**Jurisdiction:** [BR](https://whiteintel.dev/jurisdictions/br)  
**Identifier:** `br-cnpj:33042730`  
**Canonical dossier:** https://whiteintel.dev/entity/11039313-7551-5e26-9f6c-3e0daa4abefe  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/11039313-7551-5e26-9f6c-3e0daa4abefe  

## Registry profile

- **Legal form:** `2046`  
- **Source:** RFB-CNPJ  

## Cross-source identity

The same real-world entity, resolved across sources:

- **Companhia Siderurgica Nacional** — GLEIF · `lei:529900K40TEND42S0T46` — https://whiteintel.dev/entity/3d3c74ec-228f-5438-98e3-8ee0e04633ec

## Ownership & control

### Owners / controllers

- **MARCELO CUNHA RIBEIRO** (owner) — https://whiteintel.dev/entity/ca4a77f2-7e7a-5b58-93d0-ba87ebc9252e
- **STEPHAN HEINZ JOSEF VICTOR WEBER** (owner) — https://whiteintel.dev/entity/da8e627e-059a-50ab-aa65-f65006d97aa4

### Holdings / subsidiaries

- **CONSORCIO ITAUBA - ENERGIA** (owner) — https://whiteintel.dev/entity/f340ba20-b265-5bcb-8fef-38c0891b27b7
- **INAL NORDESTE S/A** (owner) — https://whiteintel.dev/entity/bd32ee5c-1980-5e74-a2a3-baefef8f8868
- **CONSORCIO PASSO REAL ENERGIA** (owner) — https://whiteintel.dev/entity/88b519eb-69be-5bd8-b8da-3112ecb701a5
- **CONSORCIO DA USINA HIDRELETRICA DE IGARAPAVA** (owner) — https://whiteintel.dev/entity/41cdb94c-0e8a-5c54-aa2b-31af5517cb78
- **CSN INCORPORACAO E PARTICIPACOES LTDA** (owner) — https://whiteintel.dev/entity/5feb8deb-3637-52b9-b4b7-3ec44859fbc2
- **CSN - GESTAO DE RECURSOS FINANCEIROS LTDA** (owner) — https://whiteintel.dev/entity/7fdd0485-51d1-5824-b24e-1079e4022376

### 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/33042730

## 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 **COMPANHIA SIDERURGICA NACIONAL** — https://whiteintel.dev/entity/11039313-7551-5e26-9f6c-3e0daa4abefe · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **COMPANHIA SIDERURGICA NACIONAL**. Human view: https://whiteintel.dev/entity/11039313-7551-5e26-9f6c-3e0daa4abefe · Structured JSON: https://whiteintel.dev/api/public/dossier/11039313-7551-5e26-9f6c-3e0daa4abefe._

_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"._