The purpose of this paper is to examine the impact of transformational leadership on innovation capability in Jordan context and the mediating role of knowledge sharing, moderating High-performance work systems. The paper collected data through a questionnaire-based survey method. Researchers used questionnaires to collect data for the paper in order to select participants. In order to select participants, we randomly selected 40 companies in Jordan from the list of the top 100 service and manufacturing firms published by the Jordan Business Association in 2020.KS has a significant impact on an organization's ability to innovate, according to the research. In addition, transformational leadership increased knowledge sharing and innovation capabilities, according to the study. KS, HPWS and innovation capability have both been demonstrated to benefit greatly from transformational leadership. The study also revealed that KS mediates the link between leadership style and innovation capability. In this study, we provided a framework for the decision-makers of Jordanian companies on the antecedents that can contribute to enhancing innovation capabilities, particularly, TLs . Leaders need to improve their understanding and awareness of the importance of KS, HPWS, and innovation capability, since these factors can significantly impact their performance when they are adopted and managed systematically. It is also important for managers to create a knowledge sharing culture within their organization so they can create innovative methods and practices out of new ideas.