<p><span lang="EN">This research was done to see the extent of which a startup business using networking in order to improve their business performance. This study used start up business project from Ciputra University’s student as research samples. </span><span lang="EN">The final samples used in this study were 72 project businesses with criteria that has been running for two years without re-doing business and posted financial statements for 2 years</span><span lang="EN">. The study was conducted by using regression to see the impact of networking as measured by a network formal, informal, range, and the intensity and performance of the business. </span><span lang="EN">The results showed no effect of the formal network to business performance, while informal network, intensity, and range did affect the performance of a startup business. The results of this research support a statement that, social capital play an important role in the early stages of business development, which is informal network in this study.</span></p>