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Dr. Andreas Striegel 
LL.M. (Miami), attorney at law, tax consultant,
Lawyer specializing in tax law
Attorney at Law (New York)
Diploma in financial management at University of Applied Science (FH)



Dr. Andreas Striegel works especially in the areas of tax structuring, which is implemented above all in the course of corporate and asset structuring, corporate successions, as well as acquisitons and disinvestments.

He supervises, advises and supports mainly SME clients in the implementation of corresponding - often also international - projects and structures.

Languages: German, English, Spanish


Dr. Andreas Striegel worked at the Baden-Württenberg Fiscal Authority from 1988 to 1992. The part-time extra-occupational study at the University of Applied Science Fachhochschule für Finanzen was successfully completed with the Title of Diploma in Financial Management (FH) in the year 1991.
Besides his law studies at Würzburg University, he worked in his parents' tax consultancy Steuerberatungskanzlei von Prof. Dr. Gerhard Striegel, which was taken over by the jointly controlled Striegel Steuerberatungsgesellschaft mbH with main focus on tax compliance after Dr. Andreas Striegel's admittance to practice as a tax consultant in 1997.
In the year 2000 Dr. Andreas Striegel transferred to the Frankfurt office of Haarmann Hemmelrath & Partner, where he worked with main focuses on international tax law as well as private equity.
From 2004 to 2005 Dr. Striegel successfully completed the Masters' program in international taxation at the University of Miami, where he obtained the title LL.M. International Taxation and was awarded with a scholarship. The study was supplemented by activities for international law firms.
In 2009 Dr. Andreas Striegel founded the law firm mainfort with a focus on multidisciplinary collaboration in teams for advising mainly SMEs.
Dr. Andreas Striegel is a lecturer at Universität zu Köln and consultant at the German scientific institution of tax consultants, Deutsche wissenschaftliches Institut der Steuerberater e.V. as well as in the series of workshops organized by the publisher NWB.

CV in tabular form

1969 Born in Stuttgart
1988-1991 Baden-Württemberg Fiscal Authority - University of Applied Science, Fachhochschule für Finanzen in Ludwigsburg
1991 Diploma in financial management at University of Applied Science (FH)
1991-1992 Stuttgart III Tax Office
1992-1996 Study of law at Würzburg University, tax consultancy Steuerkanzlei Prof. Dr. Gerhard Striegel, Stuttgart
1996-1998 Practical training with stages in Düsseldorf, Frankfurt, Toronto, Miami and Tulsa, scientific assistant at the Chair for Tax Law of Prof. Dr. Klaus Tiedtke, Würzburg
1997 Zulassung zum Steuerberater
1999-2000 Partner and Managing Director of STRIEGEL Steuerberatungsgesellschaft mbH, independent activity at attorney at law
2000-2003 Associate at Haarmann Hemmelrath, Rechtsanwälte, Steuerberater, Wirtschaftsprüfer, Frankfurt
2002 Doctorate as Dr. jur. – Doctoral thesis on sec. 2b of the German Income Tax Act [EStG] - loss allocation models
2003 Appointment as lawyer specializing in tax law
2003-2006 Jones Day, Frankfurt
2004-2005 Masters' degree studies in taxation at the University of Miami
2006 Admittance to practice at an attorney at law in the state of New York
2007-2009 International law firms in Frankfurt
Since 2009 mainfort GmbH 

Company history

Motivation - Teamwork

  • mainfort is characterised by a harmonious, proficient and well-attuned team and is based on many years of collaboration between its attorneys at law: the lawyers Dr. Striegel and Neuhaus since the year 2000, then still at the law firm Haarmann Hemmelrath in Frankfurt; the lawyers Dr. Striegel, Kirchhefer and Horn since 2008, then still at the law firm Debevoise & Plimpton. mainfort was firstly founded as a partnership of lawyers in 2008 and continued afterwards by mainfort

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