The business incubators were newness in Catalonia during the last decade. They proliferated throughout all catalan geography, although during the last three years there have appeared some stabilization signals in the sector. Actually, it has only been created two new business incubators and the existing ones have not increased their supply, neither in physical available space nor in new services. It is observed that the profile of the existing incubators explains the strong presence of service companies. Thus, a clear attempt of specialization of the incubators is detected. At the same time, the virtual incubators and incubators linked to universities are arising new models that could be the paradigm of business incubators from now on