Companies developing solutions in Smart City need testbeds for their solutions. One of the best ways to test solutions and accelerate the "go to market" process can be the use of living labs.
For that reason, there is a list with some European Living Labs where Smart City solutions can be tested. The document can be checked here.
The following list of living labs, maker spaces and other testing and developing facilities geared towards smart city solutions will help companies and research institutions to further their innovations.