Project of reconstruction of the Citi Bank Handlowy management building located in the Jabłonowski Palace at the theater square in Warsaw, in addition to: reconstruction of the building's interior, patio roofing, the work also includes modernization of the equipment and arrangement of the courtyard in front of the entrance to the building. The main issue of the project was to care about high standards of acoustic, lighting, ecology and high standard materials to create a comfortable workplace for people. The building has a BREEAM Excellent certification, photovoltaics and bioadaptive lighting.