Sébastien Antomarchi has been a partner at Avocats Antomarchi & Associés (AA&A) since 2020. He is in charge of the business law department (tax law and corporate law).
Sébastien Anthomarchi
  • Member of the International Fiscal Association – IFA

  • Member of the Institute of Tax Lawyers – IACF


  • Graduate of SDSU (San-Diego State University – USA)

  • Master I Economic and Business Law (Nice Sophia-Antipolis University)

  • Master II Finance and accounting – corporate tax strategy (IAE Nice)


Maître Sébastien ANTOMARCHI, member of the Nice Bar, offers his expertise to French and international clients whom he assists in business and tax law. He has consolidated his experience in prestigious law firms specializing in tax law, where he worked as an associate before co-founding Avocats Antomarchi & Associés law firm.

Among the subjects dealt with by Sébastien ANTOMARCHI during his experience are :

Tax litigation :

  • Assisting clients in the follow-up and management of tax audits and litigations;

Corporate taxation :

  • Advising SMEs operating in various sectors (reorganization, restructuring or external growth operations) ;

Asset taxation :

  • Assistance to company directors and family groups in all tax issues related to the ownership of a company or shareholdings – business or shareholdings transfers, intra-family transfers, transfer of an undertaking by inheritance;

  • Support for real estate investments in France;

  • Advice to individuals (tax matters, assets protection and restructuring, transfers, audits, international litigations).

Personal strengths

Open-minded and a gifted listener, Maître Sébastien ANTOMARCHI is skilled in the art of objectivity. He is fully committed to his clients and assists both company directors and individuals alike in identifying tax and legal issues upstream in order to prevent risks.

Having lived and worked in the United States for years, he is fluent in English and his intercultural competences make him the preferred contact for foreign nationals planning to settle in France, whether for professional or private reasons.

With a real business sense, Sébastien ANTOMARCHI knows and shares the daily life of the directors he assists in tax and legal matters.

Whether you are a company director or an individual, he will provide you with advice tailored to your situation.