Uvcw, short for Union des Villes et Communes de Wallonie, represents all local authorities in the Wallonia region. Their main objective is to assist these authorities in fulfilling their missions in the service of citizens and to promote their actions, autonomy, and local democracy. As an active advocate, Uvcw actively participates in political discussions that impact the local community.

Their range of services includes governance, communication, functioning, mandates, citizen participation, and strategic management. They also provide resources on finances, taxation, asset management, public procurement, human resources, intellectual property, and more. Uvcw is committed to improving the quality of life in Wallonia, covering areas such as territorial development, energy, environment, housing, mobility, cultural activities, education, civil registry, social integration, and public safety.

They offer various training programs to enhance municipal management and provide publications, including essential guides for local authorities. Additionally, Uvcw maintains a comprehensive database of local authorities in Wallonia to support their members' missions