KST Architecture & Interiors’ renovation set out with the goal to create a new transparent work space where all staff can better work together, collaborate, and communicate each other.U4 Marine decided to use 1100 m²  in their new building which is located in the free zone of Antalya.KST Architecture & Interiors designed the new facade and interiors of the building under the leadership of Architect Kemal Serkan Tokis.With the aim of accurately presenting the identity of the company ,related with its international client network, a contemporary style has been adopted where bright colors meet with a simple and minimal design. The entrance facade of the building converted to obtain the daylight and to get in touch with the environment.Ground floor contains reception desk, meeting room and an internal staircase which is connecting the two floors.

On the mezzanine floor KST designed the executive manager office, meeting room, design office, kitchen and service spaces as well as the offices of administrative managers.

The meeting room's glass walls has a graphic design which seperates the room from the hall.