In this article we present the main structural guidelines and contexts for an ongoing research project being carried out by the authors and which deals with the nature of social impact and museum functions in a collaborative background. We begin by briefly presenting the main contexts and challenges the project attempts to address while also considering methodological options. A discussion of the underlying concepts is also offered at this point. Drawing from the action-research and interactive-participation traditions; the field of action of this research project deals with Portoâs museums and; particularly; with professionals; as social actors; devoted to the work of mediation. It aims to promote sustainable collaboration within museum professionals; that is; the proposal involves mainly the development of a collaborative space and a community of practice that supports critical and creative thinking; promoting change.