---
title: "MONTFERMEIL BYG SARL — Ownership Dossier"
canonical: https://whiteintel.dev/entity/17124fc7-ac33-56b3-87d9-8933f581b966
json: https://whiteintel.dev/api/public/dossier/17124fc7-ac33-56b3-87d9-8933f581b966
identifier: fr-siren:387456064
jurisdiction: FR
source: WhiteIntel corporate-ownership graph
---

# MONTFERMEIL BYG SARL

**Type:** Company  
**Jurisdiction:** [FR](https://whiteintel.dev/jurisdictions/fr)  
**Identifier:** `fr-siren:387456064`  
**Canonical dossier:** https://whiteintel.dev/entity/17124fc7-ac33-56b3-87d9-8933f581b966  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/17124fc7-ac33-56b3-87d9-8933f581b966  

## Registry profile

- **Status:** A  
- **Legal form:** Société à responsabilité limitée (SARL) `5499`  
- **Activity:** Activités spécialisées, scientifiques & techniques `70.1A`  
- **Incorporated:** 1992-04-07  
- **Employees band:** NN  
- **Source:** INSEE-SIRENE  

## Provenance

- sirene — https://annuaire-entreprises.data.gouv.fr/entreprise/387456064

## 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 **MONTFERMEIL BYG SARL** — https://whiteintel.dev/entity/17124fc7-ac33-56b3-87d9-8933f581b966 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MONTFERMEIL BYG SARL**. Human view: https://whiteintel.dev/entity/17124fc7-ac33-56b3-87d9-8933f581b966 · Structured JSON: https://whiteintel.dev/api/public/dossier/17124fc7-ac33-56b3-87d9-8933f581b966._

_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"._