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Our law firm


Our law firm was created in 1621, and is now one of the oldest and largest notary firms of the French department of Les Hauts-de-Seine.

Very easily accessible, our office is located at the gates of Paris, in Boulogne-Billancourt, in a private mansion, right at the metro station “Boulogne Jean Jaurès”.

“SEINEO, Notaires” is managed by 6 partner notaries with the support of approximately 40 employees, including 5 salaried notaries.

As public officers, we act on behalf of the State and guarantee the legality and authenticity of all the deeds we establish.

Adeline JOFFRON, Notary can assist you.


Our team covers several legal fields:

  • Residential real estate law : the purchase and sale of condominiums, houses or pieces of land, mortgages…
  • Business real estate law : the purchase and sale of office buildings, business and retail premises, co-ownership matters…
  • Construction law, urban management, urban planning law, territorial communities, institutional investors…
  • Patrimonial family law : prenuptial agreements, civil partnership contracts (PACS), donations, estate planning, inheritance law, divorce…

Our law firm has been certified ISO 9001 for all of its activities since 2006. Maintaining this continuous improvement approach helps providing better service to our clients. We remain attentive to their opinion which they can express notably through the satisfaction questionnaires that we send them.