Entrepreneurship support (ES) plays a pivotal role in entrepreneurial ecosystems, help-ing individual ventures to thrive and contributing to broader economic growth. The extant litera-ture investigates and substantiates the significance of ES, highlighting how different types and sources of support impact new venture performance. Beyond this body of research, there is an academic debate on the impact of team composition and diversity on venture outcomes, under-scoring the human factor in entrepreneurial success. While these dynamics are rather well un-derstood on the entrepreneurial team level, a gap remains in understanding the impact of hetero-geneous versus homogeneous venture composition during ES programs (ESPs) and its impact on venture survival. Thus, our research transcends focussing on the dynamics within individual entrepreneurial teams by investigating heterogeneity across multiple ventures jointly participat-ing in ESPs. We utilize fuzzy-set Qualitative Comparative Analysis (fsQCA) to investigate con-ditions of venture heterogeneity along the constructs of separation, variety, and disparity for the survival of 497 Norwegian ventures. Our analysis results in eight conditions and two robust configurations. Interestingly, both configurations show the same results for disparity and sepa-ration, but opposite results for the conditions of variety. Our study adds to the existing literature on team diversity in the context of ES, provides valuable insights for the design of ESPs and represents a novel approach to studies in this research field.