Practice Areas

  • Tax, Corporate Tax
  • International Tax Planning
  • Private Equity, Foreign Investments
  • Real Estate
  • Funds
  • VAT
  • Management Incentive Programmes
  • Compliance/KYC/Exchange of information/DAC 6
  • Tax litigation
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Education and Professional Experience
  • Lawyer, admitted to the Bar in Luxembourg (2008)
  • Avocat à la Cour
  • Université Robert Schuman, Strasbourg (France) and Freie Universität, Berlin
  • Master’s degree and post graduate degree in corporate and tax law
  • Tax specialisation (DJCE)
  • Practiced within a Benelux and an international law firm in Luxembourg for the past nine years
  • English, French, German, Portugese
  • Young International Fiscal Association (Young IFA)
  • International Fiscal Association (IFA)
  • International Bar Association (IBA)
  • President of the Ladies in Law Luxembourg Association (LILLA)
  • Recommended lawyer in the field of “Tax” (Chambers and Partners 2021)
  • Law firm
    01 March 2021

    GSK Stockmann in Luxembourg celebrates its 5th anniversary

    1st March 2021 marks the 5th anniversary of GSK Stockmann as a leading European law firm in Luxembourg. GSK Stockmann opened its office in Luxembourg on 1st March 2016. The office ...

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  • GSK Updates
    12 June 2020

    Updated: Tax measures during the state of emergency

    Revised summary of the tax measures taken in Luxembourg during the state of emergency The changes are as follows: Bill n°7555 adapting deadlines in tax matters voted Bill n°7541 in...

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  • Media review
    15 April 2020

    Interview with Mathilde Ostertag in Les Cahier Échanges Internationaux

    Mathilde Ostertag (Local Partner at GSK Stockmann in Luxembourg) was interviewed by Les Cahier Échanges Internationaux in relation to Luxembourg and the financial services and real...

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Past Events

* Partner: A partner within the meaning of the partnership company law.
   Local Partner: not a partner within the meaning of the partnership company law.
CO2 Neutral