This research study aims to find out the way how goodwill should be evaluated. This paper is about accounting for goodwill which will provide general information about goodwill value, especially of public companies. Additionally, I will discuss sources of goodwill, the importance of goodwill, why it is important to evaluate goodwill correctly, and what methods have been applied to evaluate goodwill. This thesis will analyze the advantages and disadvantages of both methods of accounting for goodwill which are the impairment testing method and the amortization method. This study is done by researching studies, journal articles, reviews, books, and websites about accounting. Lastly, this study will provide a suggestion for how goodwill should be evaluated effectively.