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.

A member of the International Fiscal Association (IFA) and the Institut des Avocats Conseils Fiscaux (IACF), Nicolas worked in the international tax department of CMS Bureau Francis Lefebvre for nearly 10 years before founding the law firm La Tour International.

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.

Deals
La Tour International assists Softonic in the acquisition of Appvizer

June 2024 Stéphane Azria and Mathilde Celestin assisted Softonic in the acquisition of Appvizer.  Appvizer is a leading SaaS software comparison platform. With an extensive list of clients and 2 million professional users per month, Appvizer perfectly complements Softonic’s current offering as a global leader in secure software distribution.

Deals
La Tour International assists Varsity in the C12 QUANTUM ELECTRONICS Pre-Series A.

Paul-Albert Legrand and Marine Dahan assisted Varsity in the Pre-Serie A financing of C12 Quantum Electronics. The €18 million round of financing was led by Varsity, and also included historical investors Verve Ventures, 360 Capital, BNP Paribas Développement and Bpifrance, as well as EIC Fund. C12 Quantum Electronics is a young Paris-based deeptech startup designing […]

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 !

Newsletters
Financial Services Newsletter – Spring 2024

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

Newsletters
Tax newsletter – March 2024

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

Newsletters
Tax newsletter – February 2024

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

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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