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Senior Associate

Dr. Isabella Denninger

Isabella advises and represents companies and high-net-worth individuals on both national and international tax law matters. Her expertise lies in M&A tax, corporate tax law (domestic and international), tax audits, and tax disputes, including appeals and litigation before the financial courts and the Federal Fiscal Court. 
The U.S. publisher Best Lawyers®, in collaboration with Handelsblatt®, has recognized Isabella in their latest rankings as one of the "Ones to Watch" in tax law in Germany—an award highlighting promising tax attorneys.

Isabella is an active member of the Young IFA Network, the Women in IFA Network (WIN), the Munich Corporate Tax Forum e.V., and the Association of Certified Tax Lawyers.

Education and Career

Isabella studied law with a focus on domestic, international, and European tax law at Ludwig Maximilian University of Munich. After completing her legal traineeship in the Higher Regional Court district of Munich, she worked as a tax attorney in a transaction-focused law firm while pursuing her PhD in tax law. She subsequently qualified as a certified tax advisor and specialist tax attorney. Isabella earned her doctorate in tax law from Friedrich-Alexander University Erlangen-Nuremberg.

Since then, she has worked in leading national and international law firms, focusing on M&A tax, international corporate tax law, and tax disputes, particularly in relation to tax audits and litigation before financial courts.

Qualifications

  • German qualified attorney (Rechtsanwältin)
  • Certified tax attorney (Fachanwalt für Steuerrecht)
  • German qualified tax advisor (Steuerberaterin)
  • PhD in law (Dr. iur.) (Friedrich-Alexander-University of Erlangen-Nürnberg)

Languages

  • German
  • English
  • Legal Certainty in (Cross-Border) Management Participation Programs
    IWB 2024, p. 676 subs. (together with Andreas Kortendick) [in German]
  • Partial Assessment Notice under Section 180(1a) of the German Fiscal Code (AO) – Earlier Legal and Tax Planning Certainty
    AO-StB 2024, p. 274 subs. (together with Anna Hürten) [in German]
  • Filing of an Appeal by the Tax Authority via Post with Receipt at the Federal Fiscal Court after December 31, 2021
    AO-StB 2024, p. 264 subs. [in German]
  • Management Participation in National and International Contexts – Part 2
    IWB 2022, p. 86 subs. [in German]
  • Management Participation in National and International Contexts – Part 1
    IWB 2022, p. 51 subs. [in German]
  • Remote Work Abroad – The Relevance of Tax Law for Employers
    NZA 2021, p. 102 subs. [in German]
  • The Reversal of Acquisition Transactions under Section 16(1) and (2) of the German Real Estate Transfer Tax Act (GrEStG) (Dissertation)
    Duncker & Humblot 2021 [in German]
  • Taxation of Management Participation Programs – Conversion of Bonuses into Virtual Participation
    DStR 2019, p. 2615 subs. [in German]
Dr. Isabella Denninger

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