In addition to Dr. Klein, Dr. Mönstermann + Partner mbB, tax advisors, lawyers, auditors, our group includes the following companies:

  • Dr. Klein, Dr. Mönstermann + Partner GmbH,
    an auditing and tax advice company,
    Osnabrück, with branch offices in Berlin and Georgsmarienhütte
  • CTG Consulting- und Treuhand-Gesellschaft mbH,
    an auditing company,
    Osnabrück, with branch offices in Berlin and Georgsmarienhütte