WISAG Facility Management: your specialist for integrated solutions Your individual requirements call for tailor-made solutions. And the WISAG facility management specialists are there to provide them. They analyze and optimize all cost-intensive processes and operations in your property to ensure long-term financial returns and to preserve and increase the value of your buildings and real estate. With competence and know-how, WISAG develops your individual comprehensive management model. It convinces by intelligently bundling and optimally combining building management services - but also through quality control and optimization of existing contracts, because only in this way can real estate concepts be created that are perfectly tailored to the needs of the customer.