The success of modern companies in today's complex business environment depends on effective knowledge management, especially during corporate divisions. The research explored how knowledge flow and relational networks impact the success of new ventures during such transformations. An organization that underwent a division was studied, and statistical methods, including distributions, cross-tabulations, and Spearman's correlation, were used to analyze the data from a quantitative survey. The findings indicate that successful new companies are closely linked to knowledge sharing, ethical leadership, and integrating existing and new relational networks. A positive correlation was also found between company success, innovation, and leadership quality. This study offers fresh insights into corporate divisions and knowledge management, highlighting the role of ethical leadership and strategic use of knowledge to support sustainable development and improve business outcomes.