AMB is a Multiservice Company owned by the City of Bellinzona, and is the operational tool to support the energy-environmental policy and industrial promotion of the City of Bellinzona and the entire Bellinzona area.

AMB's main activities have always been the supply and distribution of drinking water as well as the production, transportation and distribution of electricity. Today, alongside these more traditional activities, new services have been created, such as the promotion of efficient energy use, energy consulting, telecommunication services through fiber optics, and electromobility.