The administrative center Rosum in Bratislava, Ružinov district is one of the most modern office buildings in Slovakia. The leasable area of 22,000 m² of office and retail space is built to the highest possible standard. The building consists of two towers, which are connected by a common reception. There is also a parking lot in common for both towers, which is located on 2 underground and 3 above ground floors. In addition to administrative space, Rosum also has a retail section for shops and services. AB Rosum is located at the intersection of Ružinovská and Baikalská streets in Bratislava, which makes it an excellent transport connection. An indisputable advantage is also the adjacent city parks and water bodies, which add natural natural elements to the site. From a sustainability perspective, the building is certified according to the internationally recognized LEED system at the GOLD Level. The contract was managed by managers of K4 a.s. with the Construction management system. Other services that K4 a.s. provided to the client were Technical supervision of the investor, Coordination of OSH, Document control and Cost control.