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Katharina Schiffmann
+352 2718 0200

Profession and Position

  • Lawyer, admitted to the Bar in Germany and Luxembourg since 2012
  • Senior Associate GSK Luxembourg SA

Special Qualifications

  • Diploma in tax law

Practice Areas

  • International Taxation and Luxembourg Tax Law
  • Corporate, Corporate Reorganizations
  • Cross-Border Mergers and Acquisitions

Education and Professional Experience

  • Saarland University majoring tax law
  • Legal clerkship higher regional court Saarland including a training stage at the Finance Court Saarland and the German Bundestag
  • Worked with a leading independent law firm in Luxembourg in the area of tax law for four years


  • German, English, French


  • International Fiscal Association (IFA)


  • Noguera/Seibert/Schiffmann: Tax Secrecy and Tax Transparency — Luxembourg report; in: Kristofferson et al.: Tax Secrecy and Tax Transparency: The Relevance of Confidentiality in Tax Law