The core activity of Berisha Gartenbau und Hauswartung GmbH is the provision of services in the areas of gardening, garden design, garden maintenance and upkeep, as well as property management. Specifically, this includes: garden construction work such as earthworks, masonry and garden design; garden maintenance work such as care and maintenance of house gardens and outdoor facilities; property management, including the cleaning of interior spaces, hard surfaces, stairwells and parking garages; and property maintenance, including the care and maintenance of outdoor facilities of apartment buildings and companies.