Corporate/Company law

The Thémis law firm allows you to adopt the right structure for your business with a view to creating, developing, transmitting it and supporting you in all your investment or restructuring projects.  

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Labor Law / Human Resources

The Thémis firm advises and supports you in the management of your human resources to master social legislation, in order to adopt good practices, comply with the regulations in force and successfully manage your teams.

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Tax law

Thémis law firm supports you to anticipate and optimize the tax cost of investment, development, restructuring and transfer of your business operations and to manage your professional and real estate assets  

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Commercial law

Commercial law or Mercantile law, also known as trade law, is the body of law that applies to the rights, relations, and conduct of persons and businesses engaged in commerce, merchandising, trade, and sales.

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Vincent GUADAGNINO
The word from Vincent GUADAGNINO, Attorney partner

With Themis, I wanted to protect and advise Basque entrepreneurs on the possibilities offered by business law. For many years, we have been able to build the future of their companies together on solid foundations.

I hope that we will meet soon to discuss together the perspectives available to you.

Meet our team

Introduction to Themis law firm


The THEMIS attorneys firm was created by Vincent GUADAGNINO in October 2005 on the basis of his Basque country business clientele.

The team has brown over the years and now counts five members, with complementary backgrounds and fields of expertise, which enables it to provide to its French and foreign (and in particular Spanish) clientele, the most exhaustive legal assistance possible at all stages of company life.

Today, due to its location on the Basque coast, near Spain, the firm’s clientele is made up primarily of contractors from all sectors (tradesmen, artisans, independent professionals and professionals in the service sectors) and more particularly of real estate developers and agents, hotel operators, restaurant operators and other service companies in the tourist sectors, various industrialists and artisans, manufacturers and sales agents…
Your needs / Our expertises

Last news

A vendre bar restaurant côte sud Pays basque

Ce lieu unique de 400 m² sur deux niveaux disposant d’une terrasse couverte en rez de plage et affecté à l’exploitation d’un bar restaurant avec licence IV, est situé sur la côte basque sud.
&n...

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côte basque sud

A Vendre à BIARRITZ : PROPRIETE HAUT DE GAMME DE 300 M² 7 CHAMBRES AVEC PISCINE / EXCEPTIONAL LUXURY PROPERTY – 300 SQM – 7 BEDROOMS – SWIMMING POOL – BIARRITZ

Idéalement située dans un environnement calme et recherché de Biarritz, cette propriété haut de gamme développe environ 300 m² habitables, édifiée sur un terrain de 800 m².

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Villa Biarritz

Le plafonnement exceptionnel des révisions de loyers commerciaux en 2023 issu de la Loi pour le pouvoir d'achat

Commercial law

La loi n° 2022-1158 portant mesures d’urgence pour la protection du pouvoir d’achat du 16 août 2022, publié au JO le 18 août 2022 a plafonné la variation annuelle de l’indice des loyers commerciaux (ILC...

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La révision des loyers commerciaux