The aim of this study was to investigate the effect of three components of transaction costs including uncertainty, specific assets and frequency on outsourcing and also to investigate the specific assets and uncertainty on open innovation abroad among banking financial technology companies based in Tehran. The research method was descriptive-correlational, based on which the required information was collected randomly among 123 managers of technology companies by compiling and distributing a researcher-made questionnaire. The results of the analysis of research data with the help of structural equation modeling technique and partial least squares approach show that the increase of specific assets reduces outsourcing and increases the export of open innovation. Rising uncertainty reduces outsourcing and increases open export exports. Increasing the frequency of exchanges also reduces outsourcing
