Siegrid Rosenauer, Dipl.-Kffr., Steuerberaterin Österreich, Steuerberaterin DeutschlandFachberaterin für internationales Steuerrecht, Wirtschafttreuhänderin


Tax Consultant for Austria
Tax Consultant for Germany
Specialist Advisor for International Tax Law
Commercial Trustee


Studied Business Administration at the University of Passau with the following specialisations:

  • Tax Course for Business Admninistration
  • Controlling and Company Course
  • Monetary Economy and Foreign Trade

Professional experience

  • Several years of professional experience in Germany at medium-sized auditor and tax advisory bureaus. As part of this, creating year end reports and tax returns of all types, particularly with international content
  • Since 2011: self-employed together with her sister Elke Rosenauer, Business Diploma (Univ.), tax advisor working in Austria
  • Since 2014: working as a self-employed tax advisor for Viehbacher Lawyers and Tax Advisors in Austria

Areas of activity

  • Advising medium-sized companies oriented internationally
  • Advising on German and Austrian tax law
  • Support in questions of business administration
  • Representation to financial authorities


  • Member of the Vienna Chamber of Commercial Trustees
  • Member of the Munich Chamber of Tax Advisors
  • Member of the State Association of Tax Advisors and Auditors in Bavaria e.V. (LSWB)