Markus Thewes

Lawyer and public accountant
Certified tax lawyer
Certified commercial and corporate lawyer

Markus Thewes is a lawyer and public accountant. He advises entrepreneurs, corporations and private individuals in matters relating to tax law, the law governing tax offences as well as general business law. In addition to tax law advice, he prepares annual financial statements for his clients in the tax department he manages in Potsdam and prepares tax returns. Due to his dual qualification, he is able to develop tax-optimised solutions, particularly in the cases of corporate restructuring and reorganisation and corporate succession. In addition, he advises his clients on exonerating voluntary disclosures and successfully represents them in tax investigations before tax authorities, tax courts throughout Germany and the Federal Tax Court. He also advises on related areas of law: commercial, corporate and insolvency law.


Since 2019: Certified commercial and corporate lawyer

Since 2011: Certified tax lawyer

Since 2011: Lawyer and public accountant in Streitbörger’s Potsdam office

2007 – 2010: Lawyer and public accountant in the Berlin office of an international law firm

Since 2009: Public accountant

2006- 2007: Lawyer at Streitbörger in Potsdam

2005: 2nd state examination at the Brandenburg Higher Regional Court

2003: 1st state examination

1999 to 2003: Studies at the University of Potsdam


Markus Thewes

Streitbörger PartGmbB
Birkenstraße 10
14469 Potsdam

Phone +49 (0) 331 / 27561-302
Fax +49 (0) 331 / 27561-999



Markus Thewes / Andreas Ziegenhagen, “The new restructuring clause in § 8 c(1a) of the Corporate Income Tax Act”, BB 2009, 2116