The Purpose of this Research is to Investigate the Effect of Commercial Marketing Components on Improving the Performance of Leading and Customer-Oriented Brands. The Research Method is Descriptive-Correlational and the Statistical Population of This Research is the Employees of Private Commercial Companies in Isfahan. The Sample Size is Estimated to be Approximately 140 PeopleThrough Cochran's formula, which are selected by random sampling. In order to collect the required information, a Researcher-Made Questionnaire Based on a 5-Point Likert Scale was Used. The Validity of the Questionnaire was Confirmed by Experts and the Reliability of the Instrument was Also Confirmed Using Cronbach's Alpha Method.In Order to Analyze the Data in this Study, Descriptive Statistics (Prevalence, Mean, Standard Deviation) and Inferential Statistics (Pearson's Correlation Coefficient and Multivariate Regression) were Used Using SPSS Software. The Findings of the Research Show That Commercial Marketing Components (Integrated Management, Market Competition, New Technologies, Expertise and Service Delivery Speed) have a Positive and Significant Effect on Improving the Performance of Leading and Customer-Oriented Brands.