Purpose: This study`s purpose is to investigate the role of a business incubator in the strategic decision situations during the process of a new venture startup. It also aims to explore the methods and instruments the incubator and its advisers applies during the process.Methodology: This study is built on the basis of a hermeneutic approach with qualitative method and abductive design. The empirical material collected consist of interviews from two case studies and secondary data collection from different related sources.Theoretical perspective: The theory in the study consists of the elements of previous research on innovation processes and entrepreneurship. To analyze the data, models and theories related to decision making, incubation, process theories and organizational theories.Empirical foundation: The empirical material consists of interviews and data from two completed case studies. Additionally consist a relatively large part of the empirical data out of a comprehensive information retrieval from various secondary sources such as internet, newsletters and annual reports.Conclusion: The assay was able to detect not just one, but a variety of roles that the incubator occupies at different stages of the innovation process.