PurposeThere is a paucity of studies on factors influencing social entrepreneurial behaviours or actions. Against this background, this study aims to explore factors and challenges affecting Enactus members’ social entrepreneurial actions in Nigeria.Design/methodology/approachThis study adopted a qualitative approach, and data were gathered through three focus group discussions involving 25 people (18 Enactus members, 4 faculty advisors and 3 business advisory board members). The study adopted a content analysis technique for data analysis.FindingsThe findings reveal that social mission orientation, desire to create social impact and social problems influence Enactus members’ social entrepreneurial actions. Other influencing factors include social entrepreneurial passion, moral obligation, social empathy and social support. In addition, the study finds that financial and time constraints affect Enactus members’ social entrepreneurial actions.Practical implicationsThe findings have implications for social entrepreneurs/enterprises, governments/policymakers and Enactus members.Originality/valueTo the best of the authors’ knowledge, this is the first qualitative study that provides insights into the factors influencing a group of people towards social entrepreneurial actions.