The core activity of fsis GmbH is the provision of IT services, in particular: * Consulting in connection with the use of Microsoft technologies * Training and education in the field of IT, especially in cooperation with leading training companies in Switzerland * Support and maintenance of IT systems, especially based on Microsoft products such as Windows Server, Active Directory, Exchange and Microsoft 365 (Azure AD, Exchange Online, Teams, OneDrive for Business) fsis GmbH focuses on the realization of demanding IT overall solutions based on Microsoft standard products and offers its customers individual solutions tailored to their specific needs.