Photo: Rainer Zimmermann

Rainer Zimmermann

Certified Public Accountant, Tax Advisor, Managing Partner

After studying business administration at the University of Applied Sciences in Worms (University of Applied Sciences), Rainer Zimmermann worked for Bacher & Partner GmbH in Eitorf and Bonn from 1995. He was appointed tax consultant in 1999 and auditor in 2003.
He mainly advises medium-sized enterprises (capital companies and partnerships) on matters of organisation and succession as well as inheritance and gift tax matters.
Mr. Zimmermann is a lecturer in specialist consultant training (execution of wills and estate administration) at the German Tax Adviser Institute and also publishes articles in books and journals. He is also a member of the German Association for Inheritance Law and Asset Succession.

Since 2004 he has been managing director and since 2008 managing partner of Bacher & Partner GmbH. On January 1, 2024, Bacher & Partner GmbH joined the DORNBACH Group and will henceforth be known as BACHER DORNBACH GmbH, for which Mr. Zimmermann will continue to work as Managing Partner.


  • Restructuring of enterprise
  • Accompanying audits
  • Representation in appeal proceedings against tax authorities and tax courts


Phone +49 (0) 228 61 93 - 0
Fax +49 (0) 228 61 93 - 200

Our offices