Research shows that there are often problems with cooperation between rehabilitation professionals within vocational rehabilitation. The aim of this study was to describe employers' experiences of how cooperation between different rehabilitation professionals can be improved in a vocational rehabilitation planning process. Ten employers who had sent their employees to vocational rehabilitation at a rehabilitation centre in the north of Sweden during 2000 and 2001 participated in the study. Qualitative interviews were performed and analysed by thematic content analysis. The employers' cooperation with clients could be improved by a focus on clients' needs and participation in the rehabilitation process. The employers cooperation with Social Insurance companies could be improved by, 1) early prevention and intervention, 2) knowledge of each other's roles, responsibilities and opportunities and 3) priority making. The employers' cooperation with rehabilitation professionals could be improved by, 1) early identification of rehabilitation needs and goals and early rehabilitation and, 2) increased focus on own responsibilities from each part in the process.