Esuh Ossai-Igwe LuckySobri Minai Mohd2025-05-262025-05-262013-03Esuh, O-I. L. and Sobri, M. M. (2013). The Entrepreneur's Mental Capacity and Firm Performance. The Business & Management Review. 3(3); 41-50.https://repository.crawforduniversity.edu.ng/handle/123456789/201Although, studies on entrepreneurial factors are abundant, however, certain factors still deserve further attention. As a result, this study investigates the influence of entrepreneurs' mental capacity on the firm performance. Based on this, a cross-sectional study of questionnaire survey research design was conducted and data was generated from 182 entrepreneurs of small firms in both manufacturing and service industries. The questionnaires were distributed through drop-off and pick procedure of data collection. Overall, the findings indicate that there is a significant relationship between entrepreneurs' mental capacity and firm performance. It further indicates that entrepreneurs' mental capacity dimensions which include business handling, resolve business issues, stable mind, mental alertness, sound decisions, maturity, and self ability, control and management also influence firm performance. Based on the findings, the study highlights the theoretical and practical implications including the limitations and the suggestions for future study.enArticle