ABSTRACT Vocational rehabilitation is a complex process. As well as the client, it often involves the employer, medical professionals, national-insurance officials, employment counsellors from the employment office and social services officials. In complex cases, it is customary to arrange specific meetings between the officials from the different authorities. The overall aim of the work presented in this thesis was to increase knowledge of co-operation between different public instances in the provision of vocational rehabilitation. The main question was whether, and if so how, a group involving a client and different rehabilitation workers can improve the client�s prospects. Regarding employment outcome, a larger proportion of clients exposed to the the particular form of cooperation become employed than those in either comparison group. The higher employment rate persisted two years after the end of rehabilitation and the chance of becoming employed after rehabilitation was about twice that of people in either group of conventional rehabilitation.