The rising demand and availability of knowledge contributes to the change away from an industrial society towards a more knowledge oriented society. This article focuses on knowledge work in small enterprises. The article describes the importance and the potential of know-ledge work in small enterprises and demonstrates the difficulties in the implementation. The small structured building industry with its change towards a more and more knowledge intensive branch of business over the last years was chosen as an example to explain this approach. In a systems-theoretical model the authors describe an approach to make the application of knowledge work in small enterprises of the building sector possible.