The main objective of this research is to study the effect of corporate governance on firm’s financial and non-financial performance. In order to achieve this objective, the research collected literature review about previous variables. This research used survey method on the electronic sector in Egypt. They are 107completed questionnaires, Data was analyzed, and hypotheses tested by using Statistical Package for the Social Sciences (SPSS25). The research found that there’s positive correlation but not statistically significant between corporate governance and financial performance, which means that financial performance of listed electronic firms not influenced by corporate governance. In addition, there’s positive strong correlation with statistically significant between corporate governance and non-financial performance.

The main purpose of this research is to study the impact of corporate governance and audit quality on the investment decision. In order to achieve this objective, the research collected literature review about previous variables. This research used survey method on the construction sector in Egypt. They are 97 completed questionnaires. Data was analyzed and hypotheses tested by using Statistical Package for the Social Sciences (SPSS). The research found that there’s significant positive impact of corporate governance on the audit quality and investment decision which means investors will depend on the corporate governance when they make their investment decision. In addition, investors will depend on the audit quality (the ability of an auditor to detect a breach (auditor competence) and the willingness to report such a breach (auditor independence) when they make their investment decision.