The Purpose of this Research is to Investigate the Relationship Between Business Intelligence and Marketing Ability of Export Companies. This Research is Descriptive and Correlational. The Statistical Population of this Research Includes 283 Technology Experts of Export Companies in Tehran. Using Cochran's Formula, the Sample Size is Equal to 164 People. The Method Used for Sampling is Simple Random Method. The Research Data was Collected Through a Questionnaire, the Validity of Which was Confirmed by the Professors and the Reliability of the Instrument was Confirmed by Measuring Cronbach's Alpha.In Order to Analyze the Data, the Descriptive Statistics Method was Used First, and the Pearson Correlation Coefficient was Used to Test the Hypotheses. The Findings of the Research Confirmed all the Hypotheses and Indicate that the Dimensions of Business Intelligence Including Data Collection, Data Classification, Data Analysis and Comparison, and Forecasting Changes in the Marketing Ability of Export Companies have a Positive and Direct Effect.