Ertner & Ertner Consultants GmbH was founded in Berlin in 1995 as a one-stop agency.
The company was established to give business owners a single point of contact for a broad range of commercial and technical issues.
Its founding shareholders were:
- Prof. Dr. Ulrich Ertner (UE), auditor and tax adviser
- Dipl.-Ing. Konrad Ertner (KE), mechanical engineer
- Ralph M. Ertner (RE), LLM, qualified lawyer
- Dirk Ertner (DE), MBI, information technology and design
The acquisitions of multi ply Gesellschaft für EDV-Logistik mbH and Tollhaus Media UG (haftungsbeschränkt) expanded the company’s range of services.