Thomas Haldenwanger

German Tax Advisor, Diploma in Tax Administration (FH)

Thomas Haldenwanger, German Tax Advisor, Diploma in Tax Administration (FH)


Thomas Haldenwanger works as a German Certified Tax Advisor in our Aalen office. He advises commercial clients from various industries, company sizes and legal forms as well as private individuals on all tax issues.

In his advising, he focuses on corporate tax law, accompanying tax audits by the tax authorities, the conduct of out-of-court appeal proceedings and counseling in lawsuits before the tax court. Due to his many years as a group auditor, he is very experienced in supervising tax audits of companies of all sizes.

Thomas Haldenwanger studied at the University of Applied Sciences (HVF) in Ludwigsburg and graduated with a diploma in tax administration (FH). He has been a tax advisor since 2017.

Before joining WINHELLER, he was a group auditor at the Central Group Auditing Office of the Baden-Württemberg Tax Administration in Stuttgart for many years. Subsequently, he worked for four years in a tax advisor's office in Aalen.
In his free time, he enjoys taking self-organized tours in Portugal, Italy and Greece.


  • Management of criminal tax proceedings and reduction of the tax burden of a southern German stock corporation
  • Asset protection, division of a business and conversion of a sole proprietorship into a limited liability company & limited partnership (GmbH & Co. KG)

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