The present research measures and ranks the success drivers of knowledge-based companies located in Fars' Science and Technology Park. The research was descriptive, correlational and applied. The statistical population for the first questionnaire was comprised of all experts and managers of knowledge-based businesses in Fars Science and Technology Park, a total of 135 individuals. n order to prioritize the dimensions, components, and indicators of the successful knowledge-based companies, the second questionnaire was designed, with the top managers of the companies serving as the sample population for hierarchical analysis.  Confirmatory factor analysis and structural equation modelling (SEM) with SMART PLS software were used to analyze the data. The method of hierarchical analysis was used to prioritize dimensions and components using Expert Choice software. The findings indicate that all identified indicators had an effect on the success of the companies, with the organizational dimension ranked as the most critical, followed by the environmental and individual dimensions. Among the seven components, organizational culture was ranked first, followed by organizational capability, support mechanisms, organizational policy, personality traits, environmental infrastructure, and demographic characteristics. Information technology infrastructure (software, hardware, network, and brain), patents and intellectual property, and government support policies were among the top to third-ranked model indicators.