Background Previous research in the area of knowledge management shows that projectbased organizations often struggle with their employees resistance to shareknowledge with colleagues for reasons of self-interest. Other research show thatimplementing incentives to stimulate knowledge sharing behaviors has beenproven efficient. However, the fact that no previous research has touched uponthe topic in the context of project based organizations, motivated us to immerseourselves in the area. Purpose The purpose of this study was to map how incentives stimulate knowledgesharing in project based organizations. Method A qualitative single-case study performed with semi-structured interviews on thedepartment of medical systems at project based Sectra AB. Conclusion The study highlights the value of combining incentives with clan control formotivating knowledge sharing in project based organizations. It indicates thatproject based organizations with help from incentives can stimulate knowledgesharing behaviors, both directly and indirectly.