„Holding about 70,000 apartments, GSW develops, manages and lets one of Berlin’s largest housing portfolios. In order to continue to expand this market position, which is the work of 80 years in the business, the company has pursued new approaches in recent years. Having strong partners is of particular importance in this transitional phase. The cooperation with the Dr. Zitelmann-Team has shown us, that it is worth to focus on professionalism and quality. In order to become a competent partner in our daily business, the team of Dr. ZitelmannPB. GmbH addresses individual issues and subjects as they arise in our company. Thanks to the support and the experience of the staff of Dr. ZitelmannPB. GmbH we are superbly positioned for the future.“