This article is a study to gathering the appropriate performance evaluation methods for mega companies. After a closer look at the appropriate methods for evaluating performance, we divide them into subcategories based on the features and functions that we have. Therefore, more performance evaluation methods are produced in detailed. Then, by focusing on appropriate analytical methods and using optimal solutions, we analyze and compare these methods. In the goal of the article, the key to helping decision making in Mega companies is considering meta-assessment methods with these companies. So, with the help of these methods and analyzes that have been made, the eloquences of performance evaluation methods are introduced for mega category companies. The results can be used to evaluate the effective performance of each mega company by considering the specific circumstances of the company. So the results could be used to make decision support for managers. The direction of this research after studying the literature and reviewing the research gap in the field of performance evaluation models, includes presentation of research achievements, which is a guide and a model for mega companies to use.