The purpose of this paper was to analyse the direct and indirect impact of organisational culture factors, which are seen to consist of participation, compliance, consistency, adaptability, and strategic direction, with the objective to achieve success in employee performance through the mediation of knowledge-sharing. Additionally, the research is based on an empirical research encompassing a sample of three Islamic banks (totalling 235 employees) in Jordan where respondents answered the survey questions. The analysis of data obtained was conducted via Smart PLS software. Research studies imply the confirmation of studying the direct and indirect impacts of organisational culture factors and knowledge-sharing on the success of employee performance. Based on these results, it can be concluded that