Designed by Jaspers-Eyers, the architecture consists of an elegant, rounded ensemble of four buildings with a similar look but different heights, ranging from 5 to 18 floors. In addition to its office space and central garden, Quatuor offers its occupants coworking spaces managed by Silversquare. This one, called 'Siversquare Kanal' and offering a surface area of 7,000 m², was designed by the rising star Lous and the Yakuza, in collaboration with the teams of Befimmo and Silversquare. Rooftop terraces, bars and restaurants, a gym and a cultural centre are also available.