Dr. Klein, Dr. Mönstermann + Partner mbB was founded back in 1930. Continued growth and an expansion of the service range led to the foundation of Dr. Klein, Dr. Mönstermann + Partner GmbH, an auditing and tax advice company, and to the establishment of branch offices in Berlin and Georgsmarienhütte. In the meantime, Dr. Klein, Dr. Mönstermann + Partner mbB has a staff of approx. 100 experts (more than 30 of which are professionals, including auditors, tax advisors and lawyers).

Dr. Klein, Dr. Mönstermann + Partner mbB is a member of HLB International,  a world-wide network of independent professional accounting firms and business advisers with over 13,000 employees in more than 100 countries.

Our clients are small- and medium-sized companies from a wide range of industries. They include regionally but also internationally active sole proprietorships, partnerships and corporations.

Support is provided in all tax, business and legal matters. Our advisory services cover the whole scope from payroll and financial accounting, the provision of tax returns based on the preparation and audits of annual financial statements all the way to the facilitation of mergers and international acquisitions.