This study aims to analyze the role of work motivation and organizational culture on increasing investment, with organizational commitment as an intervening variable. This study was conducted at the Investment and One-Stop Integrated Service Office (DPMPTSP) of Pemalang Regency, which has a strategic role in increasing investment in the area. Work motivation and organizational culture are seen as factors that can influence individual performance in the organization, which in turn contributes to the process of increasing investment. Organizational commitment is hypothesized as an intervening variable that can strengthen the relationship between work motivation and organizational culture on increasing investment. The method used in this study is a quantitative approach with Partial Least Square analysis techniques , the sample used in the study was 64 respondents . The results of the study indicate that both work motivation and organizational culture have a positive influence on organizational commitment , which then plays a significant role in increasing investment. This finding indicates the importance of internal organizational factors, such as work motivation and organizational culture, in supporting organizational performance and goal achievement, particularly in the context of increasing investment. This study contributes to understanding organizational dynamics and the important role of organizational commitment in improving sustainable investment outcomes.