In this age of highly competitive world of business, the demand of management consulting is increasing for companies seeking to achieve and maintain competitive advantages over their competitors. Along with its continuously growing market trend, therefore, the quality of management consulting needs to be measured in order to improve customer satisfaction. In this paper, we developed measurement items of the service quality in management consulting using the dimensions of the SERVQUAL model, analyzed the validity of the dimensions, and examined the differences among the effects of those dimensions on customer satisfaction and customer loyalty.