The core activity of ISAKI GmbH encompasses the provision of services in the areas of property management, cleaning, renovations, and technology. Specifically, the company offers the following services: Property management: Monitoring and maintenance of building technology systems, cleaning, and gardening work. Cleaning: Apartment and basic cleaning, regular cleaning of office spaces. Renovations: Painting, flooring, minor repairs, material disposal, final cleaning, and defect documentation. Technology: Electrical engineering, building technology, installations, and controls. The company positions itself as a full-service provider for the maintenance and care of properties, offering its customers a single point of contact for all their needs.