This paper seeks to examine the effects of board size upon firms financial performance. Board characteristics, include outside directors, board size, gender diversity and board diligence. This paper concentrated upon the board sizes effect upon firm performance. The two corporate governance theories: namely, stewardship theory and resource dependence theory were utilised. This paper made use of analysing and synthesising literature from various sources in a bid to expose the views of various writers upon the effects of Board size on firms financial performance. The qualitative methodology was applied through the thematic analysis approach. Both the deductive and inductive approaches were utilized to enjoy the benefits of the thematic approach. This enabled robust coding technique.