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We fight to defend your rights with the tax authorities

Dealing with a tax difficulty is usually an unpleasant and often traumatic experience.

Our law firm in tax law and international taxation advises you in the structuring of your projects or in the defense of your file with the tax authorities.

Our firm offers you a paid consultation to determine, if applicable, how to manage your situation in tax law or international taxation

The tax law and the tax procedure being complex and changing, we will guide and support you through each step of your file and we will regularly inform you of the progress and the decisions to be taken.


Our tax lawyers are very available and attach great importance to listening to the needs of clients in order to bring them total satisfaction in the treatment of their cases.


Our vision is to simplify the lives of our clients by providing them with practical and legal solutions that allow them to no longer see taxes as a difficulty.


Contact us by phone or email now to arrange a tax consultation at our firm.

avocat, fiscal, paris, droit fiscal, fiscalite internationale

Legal background

A single objective: mastery of expertise in international taxation

November 2011

Creation of the law firm of Me Jonathan SEMON

Maître Jonathan Sémon, founding partner, wanted to set up a human-sized structure in order to respond quickly to the problems of his clients.

March 2011

Experience - Law firm Gide Loyrette Nouel - Paris

Associate lawyer within the firm's tax team to bring his expertise in international taxation

January 2007

Experience - CMS Bureau Françis Lefebvre - Neuilly-sur Seine law firm

Associate lawyer in the international tax team led by Me Bruno Gouthière

2003 to 2007

University education

Certificate of Aptitude for the Profession of Lawyer (EFB Paris)
Master 2 Pro in International Taxation (University Paris II Panthéon Assas)
Specialized Master in Wealth Management (ESCP –EAP)
DESS in International Affairs Jurist (University Paris V)

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