Crowdfunding is an alternative financing method used by entrepreneurs or businesses to fund new ventures. This study aims to investigate the factors affecting the success of crowdfunding projects. Accordingly, data on successful and unsuccessful projects in the technology and film industries were collected from crowdfunding platforms in Turkey and the United States. The factors affecting the project's success are analysed and discussed using the variables determined by a comprehensive literature review and examined within the framework of Signalling Theory and Social Network Theory. It is thought that the findings of this study, which is quite comprehensive in terms of crowdfunding projects, will be a guide for entrepreneurs who want to carry out project ownership or for studies that will investigate the effectiveness of projects.