The Joan is ScaleHub's most sustainable building, BREEAM Excellent certified, energy-efficient and designed with the future in mind. ScaleHub occupies the whole 3rd floor of the eight-storey building in Overamstel, some 2,600 m². Spaces run from 40 to 172 m², with one larger 442 m² floor, and the building has a reception, a lunch restaurant and several meeting rooms. It is the location most chosen by B Corp companies.