---
title: "CRT ADMINISTRACAO DE OBRAS LTDA — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ace1957a-86ba-5e3b-9f6f-6889be2ca23c
json: https://whiteintel.dev/api/public/dossier/ace1957a-86ba-5e3b-9f6f-6889be2ca23c
identifier: br-cnpj:19111675
jurisdiction: BR
source: WhiteIntel corporate-ownership graph
---

# CRT ADMINISTRACAO DE OBRAS LTDA

**Type:** Company  
**Jurisdiction:** [BR](https://whiteintel.dev/jurisdictions/br)  
**Identifier:** `br-cnpj:19111675`  
**Canonical dossier:** https://whiteintel.dev/entity/ace1957a-86ba-5e3b-9f6f-6889be2ca23c  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ace1957a-86ba-5e3b-9f6f-6889be2ca23c  

## Registry profile

- **Legal form:** `2062`  
- **Source:** RFB-CNPJ  

## Ownership & control

### Owners / controllers

- **JOAO ACHILLES GRENIER GLUCK** (owner) — https://whiteintel.dev/entity/30108c42-1a21-52ff-8f78-94aac8ad21a7
- **CRE PARTICIPACOES E EMPREENDIMENTOS LTDA** (owner) — https://whiteintel.dev/entity/21d558d8-7c92-587e-aac2-69a182942c80
- **MAURO FONTOURA MARDER** (owner) — https://whiteintel.dev/entity/24272c7b-cd10-5de6-a1f4-b876722510b5
- **TUCUMANN ENGENHARIA E EMPREENDIMENTOS LTDA** (owner) — https://whiteintel.dev/entity/12d8ec6c-37d0-5329-a247-ec22ecdd665a
- **ROBERTO ANTONIO TRAUCZYNSKI** (owner) — https://whiteintel.dev/entity/8720d340-a535-5ba8-bd76-c752e852490a
- **RCO CONSTRUTORA DE OBRAS LTDA** (owner) — https://whiteintel.dev/entity/110a2f1c-5384-559c-b01c-bdfd5b9a3830

### UBO chain (walk to the ultimate owner)

A **7-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/19111675

## 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 **CRT ADMINISTRACAO DE OBRAS LTDA** — https://whiteintel.dev/entity/ace1957a-86ba-5e3b-9f6f-6889be2ca23c · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CRT ADMINISTRACAO DE OBRAS LTDA**. Human view: https://whiteintel.dev/entity/ace1957a-86ba-5e3b-9f6f-6889be2ca23c · Structured JSON: https://whiteintel.dev/api/public/dossier/ace1957a-86ba-5e3b-9f6f-6889be2ca23c._

_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"._