The regional expertise centre is the initiator of Brussels’ regional development strategy, and is responsible for drawing up the master plan for the site where Usquare will be created. observes developments and contributes expertise in many aspects of spatial development in Brussels, including demographics, economics, urban planning, housing and transport.

As a study and research centre, envisions the city of tomorrow and devises strategies for its development, such as the Regional Sustainable Development Plan. works in consultation with the Urban Development Corporation (SAU-MSI), the public operator responsible for the operational implementation of the development plans in the strategic zones defined by the Government of the Brussels-Capital Region.