Nicolas Cys
Partner

Co-founder of La Tour International, Nicolas is the reference tax advisor of private clients, families, entrepreneurs, investors and groups that he assists in managing their issues in a French and international environment.

He has a strong reputation in international tax matters (transfer of tax residence, assistance with exit tax obligations, structuring, holding, transfer and sale of French assets, acquisition and sale of companies, management of income tax, wealth tax, real estate wealth tax and asset transfer issues, assistance to families and companies in their French and international projects).

Nicolas has also developed a strong expertise in regularization and compliance of all tax situations.

Passionate about his work as a lawyer, his partners and clients say that he is human, empathetic and he has very good explaining skills.

Since 2008, Nicolas has been a lecturer at ESSEC Business School in the MS DAIM program (International Business Law and Management) where he lectures on international tax law. He also lectures for the EFE and IFE in seminars and conferences dedicated to asset taxation and international taxation.

Nicolas is member of the International Fiscal Association (IFA), of the Institut des Avocats Conseils Fiscaux (IACF), of the Society of Trust and Estate Practitioners (STEP) and of the Estate Planning Skill Group (EPSG).

Nicolas worked in the international tax department of CMS Bureau Francis Lefebvre for nearly 10 years before founding the law firm La Tour International.

Distinctions

  • 2024 - Best Lawyer droit fiscal
  • 2024 - Incontournable par Décideurs
    Gestion de patrimoine - Fiscalité du patrimoine
  • 2024 - Excellent par Décideurs
    Gestion de patrimoine - Fiscalité du patrimoine : régularisation et contentieux
  • 2023 - Excellent par Décideurs
    Gestion de patrimoine - Fiscalité du patrimoine
    Gestion de patrimoine - Fiscalité du patrimoine : régularisation et contentieux
    Droit fiscal - Contentieux fiscal et assistance à redressement
  • 2023 - Forte notoriété par Décideurs
    Droit fiscal - Fiscalité des groupes internationaux
  • 2023 Sommet du Droit
    Mention Spéciale Fiscalité du Patrimoine
  • 2022 - Sommet du Patrimoine et Performance - Trophée d’Argent
    Meilleur avocat en Fiscalité Patrimoniale

Training

  • MBA from ESSEC Business School (Programme Grande Ecole)
  • DESS (Master 2) in business law and taxation from the University of Paris I Panthéon-Sorbonne
  • LL. M. from the University of Cologne, Germany

Languages

Nicolas assists his clients in French, English and German.

Legal Newsletters
Financial Services Newsletter – Fall 2024

Read our Financial Services Fall 2024 newsletter in which the firm’s experts comment on the main news.

Fiscal Newsletters
Tax newsletter – September 2024

Read our monthly tax newsletter in which the firm’s experts comment on the main news

Deals
Stéphane Azria and Mathilde Celestin assisted AIR ROAD LOGISTICS & BAGGAGE SOLUTIONS, supported by UI Investissement, in the acquisition of ROAD EXPRESS.

ROAD EXPRESS is specialized in the road freight transport, including express freight transport and hazardous good transport. Through this acquisition, AIR ROAD LOGISTICS & BAGGAGE SOLUTIONS strengthens and continues the development of its urgent transport business.

Fiscal Newsletters
Tax newsletter July – August 2024

Read our monthly tax newsletter in which the firm’s experts comment on the main news

Ranking
Ranking Décideurs Magazine Patrimoine 2024

La Tour International has been ranked “Incontournable” by Décideurs magazine in the category “Wealth Tax 2024” and “Excellent” in the category “Regularisation and Litigation 2024”. Well done to the tax department headed by Benoit Philippart and Nicolas Cys and to the entire tax team for their commitment and dedication. A huge thank you to our […]

Fiscal Newsletters
Tax newsletter – June 2024

Read our monthly tax newsletter in which the firm’s experts comment on the main news

Ranking
Nicolas CYS recognized among the Best Lawyers 2025 in tax law !

Our firm La Tour International is so proud to announce that Nicolas CYS has been recognized #BestLawyers in 2025 edition in tax law ! Many thanks to our peers for their continued trust ! Congratulations and many thanks to the tax team for its commitment !

Fiscal Newsletters
Tax newsletter – March 2024

Read our monthly tax newsletter in which the firm’s experts comment on the main news

Fiscal Newsletters
Tax newsletter – February 2024

Read our monthly tax newsletter in which the firm’s experts comment on the main news

Fiscal Newsletters
Tax newsletter – January 2024

Read our monthly tax newsletter in which the firm’s experts comment on the main news

Ranking
Sommet du Droit – Special distinction in Personal Taxation’s category

January 2023 The lawyers honoured in the “Personal Taxation” category at the 2023 Sommet du Droit ceremony are : Nicolas Cys, Benoit Philippart, Pauline Renault, Bin’Tou Camara, Marion Rollin and Diane Csuka.

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