Small and medium sized enterprises are an important feature of the Swedish industrial infrastructure. The formation of collaborative networks is seen as an important means for dealing with a shortage of financial, technical and other resources. This article deals with the start up and development of two networks involving managers of small and medium sized enterprises (SMEs) and researchers from the Centre for Working Life Research and Development of Halmstad University. The striking features of the various phases of the development of the networks, as well as of those of the role of the researchers, are presented and discussed. Some important recent developments, such as connections between networks and community-based relationships, are also revealed.