Ulrich Derlien

Lawyer, Tax Advisor

  • Tax structuring advice
  • Tax procedural law
  • Criminal tax law
  • Compliance
  • International tax law
  • Succession consultancy
Phone +49 821 57058-0
                        +49 172 8662995Fax +49 821 57058-153
E-mail ulrich.derlien@sonntag-partner.de


Lawyer,  tax advisor
Trained as a banker, studied law at the Universities of Saarbrücken and Bonn majoring in economics and taxes, internship in the district of the Court of Appeal [Kammergericht] in Berlin; admitted to the bar as lawyer (in 1997), admitted as a tax advisor (in 2002)

main practice areas.

  • Conceptual issues of structured tax advice for medium-sized entrepreneurs, businesses and private individuals
  • Comprehensive advice for private high net wealth individuals
  • Criminal tax law, compliance
  • Tax dispute

special expertise.

  • Assessment and assistance in cross-border issues for private individuals and medium-sized businesses
  • Assistance in judicial and extra-judicial tax disputes
  • Assistance in criminal tax proceedings
  • Advice on voluntary disclosures

publications talks.

  • special information: Neuregelung eines „Unternehmensstrafrechts“ ante portas - der Referentenentwurf zum Verbandssanktionengesetz vom 21.04.2020
  • on the following subjects (inter alia):
    exit taxation , transfer prices, succession planning, business taxation, compliance, inheritance tax, double tax residence and international wealth, current tax changes


  • Member of the International Fiscal Association (IFA)
  • Member of the Munich business tax forum [Münchener Unternehmenssteuerforum e.V.]
  • Member of the German Taxation Lawyers Association [Deutsche Steuerjuristischen Gesellschaft e.V. (DStJG)]
  • Advisory board of FACT (Finance Auditing Controlling Taxation) of the faculty of law and economics at Friedrich-Alexander University Erlangen-Nürnberg

positions held in
various bodies.

  • Board member of Juristische Gesellschaft Augsburg e.V.
  • Board member of Freunde der Kunstsammlungen Augsburg e.V. [Augsburg Friends of Art Collections]

working languages.

  • German, English