RLT Ruhrmann Tieben & Partner mbB - Dipl.-Kfm. Markus Sellmann
RLT Ruhrmann Tieben & Partner mbB - Dipl.-Kfm. Markus Sellmann

Partner of cologne office

fon: +49 (0) 221 12 07 10 0
fax: +49 (0) 221 12 07 10 100

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Dipl.-Kfm. Markus Sellmann

Wirtschaftspruefer, Steuerberater

Born in 1964
Partner at RLT since 2013

Short CV

Markus Sellmann provides a comprehensive level of advice to companies and their members. His work includes tax consultancy for both traditional medium-sized clients and also consolidated companies at both home and abroad – some of them listed on the stock market – as well as their subsidiaries. He is familiar with complex corporate structures.

Another focus of his work is accompanying companies through restructuring processes and M&A transactions. In this area, he works together intensively with renowned law firms. The lawyers often use his comprehensive level of expertise in business management, financial accounting and fiscal law in their litigation and arbitration proceedings. Interdisciplinary cooperation is part of his daily business. 

Markus Sellmann founded the branch office in Cologne in October 2013 and was named a Partner in the company at the same time. His career began in Cologne in 1991. After working at RBB Revision und Treuhand GmbH and RölfsPartner AG, he became a Member of the Management Board at O&R Oppenhoff & Rädler AG from 2001 to 2013 and managed the Cologne office and the Compliance Department.

Markus Sellmann holds a degree in business administration (Diplom-Kaufmann) and graduated from the University of Cologne. He has been a tax consultant since 1995 and became an auditor in 1999. Markus Sellmann speaks German and English.

Membership of Associations

  • Institute of Public Auditors in Germany (Institut der Wirtschaftsprüfer - IDW)
  • German Chamber of Auditors (Wirtschaftsprüferkammer)
  • Cologne Chamber of Tax Consultants (Steuerberaterkammer Köln)