# Muller Devriendt Bailleux Notaires > MULLER DEVRIENDT BAILLEUX NOTAIRES is an active French SELARL operating a notarial office in Hénin-Beaumont, providing legal/notarial services with a focus on family law, real estate and negotiation. Company page on Leadbay: https://mad-max.leadbay.ai/company/bailleuxetassocies-henin-beaumont.notaires.fr · loaded 2026-10-29 ## At a glance - Website: https://bailleuxetassocies-henin-beaumont.notaires.fr - Team based in: Hénin-Beaumont (Leadbay's record and 2 more) - Incorporated: Hénin-Beaumont, France (register) - Registry: SIREN 892 293 671 - Founders: Bénédicte Muller, Guillaume Devriendt, Delphine Bailleux - Industry: Legal Services - Employees: 4 (employees and founders, investors not counted; bailleuxetassocies-henin-beaumont.notaires.fr and 1 more) - Seen in its site's code: Google Analytics (googletagmanager.com/gtag/js), Cloudflare (cdnjs.cloudflare.com) (read 2026-10-30) - Phone: 03 21 13 85 55 - Email: christophe.lemaire@notaires.fr - Address: 124 RUE ROBERT AYLE, 62110, HENIN-BEAUMONT, fr ## What it sells, to whom - MULLER DEVRIENDT BAILLEUX NOTAIRES is an active French SELARL operating a notarial office in Hénin-Beaumont, providing legal/notarial services with a focus on family law, real estate and negotiation. ([bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/mentions-legales.htm), [pappers.fr](https://www.pappers.fr/entreprise/muller-devriendt-bailleux-notaires-892293671)) ## Products and services - Notarial legal services ([fr.linkedin.com](https://fr.linkedin.com/company/muller-devriendt-bailleux-notaires), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/etude.htm)) - Family-law and personal-life legal assistance ([fr.linkedin.com](https://fr.linkedin.com/company/muller-devriendt-bailleux-notaires), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/etude.htm)) - Real-estate transactions and advice ([fr.linkedin.com](https://fr.linkedin.com/company/muller-devriendt-bailleux-notaires), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/etude.htm)) - Real-estate negotiation ([fr.linkedin.com](https://fr.linkedin.com/company/muller-devriendt-bailleux-notaires), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/etude.htm)) - Support for major life events ([fr.linkedin.com](https://fr.linkedin.com/company/muller-devriendt-bailleux-notaires), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/etude.htm)) ## Customers and markets - **Customers**: Individuals and families seeking notarial support during major life events, including family-law and real-estate matters; the firm also provides real-estate negotiation services. ([bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/), [bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/etude.htm)) - **Markets**: Primary geography: Hénin-Beaumont and the surrounding Hauts-de-France / former Nord–Pas-de-Calais area. ([bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/), [notaires.fr](https://www.notaires.fr/fr/societe/sel-muller-devriendt-bailleux-selarl), [linkedin.com](https://linkedin.com/company/muller-devriendt-bailleux-notaires)) - **Markets**: Primary customers: individuals and families needing property transactions, succession, donations, family-law support, and personal legal planning. ([bailleuxetassocies-henin-beaumont.notaires.fr](https://bailleuxetassocies-henin-beaumont.notaires.fr/), [notaires.fr](https://www.notaires.fr/fr/societe/sel-muller-devriendt-bailleux-selarl), [linkedin.com](https://linkedin.com/company/muller-devriendt-bailleux-notaires)) ## Team - Bénédicte Muller, Founder - Guillaume Devriendt, Founder - Delphine Bailleux, Founder - Béatrice Slaviero, Clerc formaliste chez SCP MULLER, DEVRIENDT, BAILLEUX… · [LinkedIn](https://www.linkedin.com/in/béatrice-slaviero-a784a71a5) ## Where to find more - [This page in Markdown, for agents](https://mad-max.leadbay.ai/company/bailleuxetassocies-henin-beaumont.notaires.fr.md) ## Decision makers - [Bénédicte Muller](https://mad-max.leadbay.ai/person/benedicte-muller--bailleuxetassocies-henin-beaumont.notaires.fr.md), Founder - [Guillaume Devriendt](https://mad-max.leadbay.ai/person/guillaume-devriendt--bailleuxetassocies-henin-beaumont.notaires.fr.md), Founder - [Delphine Bailleux](https://mad-max.leadbay.ai/person/delphine-bailleux--bailleuxetassocies-henin-beaumont.notaires.fr.md), Founder Work emails and direct phones come with a Leadbay account: https://wow.leadbay.ai/?register=true Where it comes from: 8 sites read (bailleuxetassocies-henin-beaumont.notaires.fr, pappers.fr, fr.linkedin.com, notaires.fr, annuaire-entreprises.data.gouv.fr, exa.ai, immobilier-noteo.com, linkedin.com). ## Best angle 2026-10-29 · Headcount: Headcount up 33% in a year (1 source) ## Best way in - Call the front desk, 03 21 13 85 55: The front desk, in Leadbay's record, verified 2026-08-28 - Write to christophe.lemaire@notaires.fr (generic): A shared mailbox, in Leadbay's record, verified 2026-08-10 ## Signals: what happened - 2026-10-29 · Headcount: Headcount up 33% in a year (1 source: [A company database](https://bailleuxetassocies-henin-beaumont.notaires.fr/)) - 2026-07-22 · News: Nullité d'un testament et action en partage : l'article 1360 du CPC ... (1 source: [fr.linkedin.com](https://fr.linkedin.com/posts/muller-devriendt-bailleux-notaires_patrimoine-successions-nullit%C3%A9-dun-testament-activity-7485746114550398977-bkWX)) - 2026-05-29 · News: PTZ familial jusqu'à 100 000 euros : un nouveau dispositif ... (1 source: [fr.linkedin.com](https://fr.linkedin.com/posts/muller-devriendt-bailleux-notaires_ptz-familial-jusqu%C3%A0-100-000-euros-un-nouveau-activity-7466108237201793025-9wFh)) - 2026-04-22 · News: La loi visant à simplifier la sortie de l’indivision et la gestion des successions vacantes est promulguée! (1 source: [fr.linkedin.com](https://fr.linkedin.com/posts/muller-devriendt-bailleux-notaires_famille-la-loi-visant-%C3%A0-simplifier-la-sortie-activity-7452767754190852096-7NMv)) ## Working on now - Local, generalist notarial services in Hénin-Beaumont, especially real estate, family law/succession, business/commercial matters, and negotiation. - Recent client-facing updates focus on professional-premises accessibility works, condominium governance, inheritance/tax issues, rental-property energy renovation, and state real-estate management. - The firm continues publishing legal-information posts, including an October 22, 2026 item about a commercial-premises sale allegedly bypassing a tenant’s right of first refusal. From: [Notaires Hénin-Beaumont | Etude Muller, Devriendt & Bailleux](https://bailleuxetassocies-henin-beaumont.notaires.fr/actualites.htm), [Locaux professionnels: du nouveau pour les travaux d’accessibilité | Muller, Devriendt & Bailleux - Notaires](https://fr.linkedin.com/posts/muller-devriendt-bailleux-notaires_actualit%C3%A9-locaux-professionnels-du-nouveau-activity-7514213890189328384-7KH8), [Muller, Devriendt & Bailleux - Notaires](https://linkedin.com/company/muller-devriendt-bailleux-notaires) ## Summary Muller Devriendt Bailleux Notaires is a professional civil law firm (SELARL) based in Hénin-Beaumont, France, specializing in legal services related to real estate, family law, and business law. The firm does not sell commercial products but provides expert legal services, documentation, and transaction management to individuals, families, and business owners. It was founded in 2021 by partners Bénédicte Muller, Guillaume Devriendt, and Delphine Bailleux. As a professional legal entity, it does not have external investors. Clients include property buyers and sellers, families, and entrepreneurs. Recent news involves legal updates on building accessibility, copropriété regulations, and estate tax obligations. [1]: https://bailleuxetassocies-henin-beaumont.notaires.fr/ "Notaires Hénin-Beaumont | Etude Muller, Devriendt & Bailleux" [2]: https://bailleuxetassocies-henin-beaumont.notaires.fr/competences.htm "Notaires Hénin-Beaumont | Etude Muller, Devriendt & Bailleux" [3]: https://www.pappers.fr/entreprise/muller-devriendt-bailleux-notaires-892293671 "Société MULLER DEVRIENDT BAILLEUX NOTAIRES : Chiffre d'affaires, statuts, extrait d'immatriculation" [4]: https://bailleuxetassocies-henin-beaumont.notaires.fr/mentions-legales.htm "Notaires Hénin-Beaumont | Etude Muller, Devriendt & Bailleux" [5]: https://bailleuxetassocies-henin-beaumont.notaires.fr/actualites.htm "Notaires Hénin-Beaumont | Etude Muller, Devriendt & Bailleux" [6]: https://bailleuxetassocies-henin-beaumont.notaires.fr/etude.htm "Notaires Hénin-Beaumont | Etude Muller, Devriendt & Bailleux" [7]: https://bailleuxetassocies-henin-beaumont.notaires.fr/competences/droit-des-affaires.htm "Notaires Hénin-Beaumont | Etude Muller, Devriendt & Bailleux" [8]: https://bailleuxetassocies-henin-beaumont.notaires.fr/les-notaires.htm "Notaires Hénin-Beaumont | Etude Muller, Devriendt & Bailleux" ## Sources - [Muller Devriendt Bailleux Notaires's website](https://bailleuxetassocies-henin-beaumont.notaires.fr) - [Locaux professionnels: du nouveau pour les travaux d’accessibilité | Muller, Devriendt & Bailleux - Notaires](https://fr.linkedin.com/posts/muller-devriendt-bailleux-notaires_actualit%C3%A9-locaux-professionnels-du-nouveau-activity-7514213890189328384-7KH8) - [Muller, Devriendt & Bailleux - Notaires](https://linkedin.com/company/muller-devriendt-bailleux-notaires)