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This study was conducted to determine the effect of Marketing and Public Relations and brand image simultaneously and partially on customer loyalty in Hillpark-Sibolangit with a sample of 94 people. Using a questionnaire that had been tested for validity and reliability does the data collection. Data collected were analyzed using multiple linear regression. From the analysis conducted, marketing, public relations and brand image influence on customer loyalty either partially or simultaneously. However Marketing Public Relations is more dominant than the brand image. The coefficient of determination shows both variables contribute to customer loyalty is 32.5%, while 67.5% is influenced by other variables outside the study. This study was conducted to determine the effect of Marketing and Public Relations and brand image simultaneously and partially on customer loyalty in Hillpark-Sibolangit with a sample of 94 people. Using a questionnaire that had been tested for validity and reliability does the data collection. Data collected were analyzed using multiple linear regression. From the analysis conducted, marketing, public relations and brand image influence on customer loyalty either partially or simultaneously. However Marketing Public Relations is more dominant than the brand image. The coefficient of determination shows both variables contribute to customer loyalty is 32.5%, while 67.5% is influenced by other variables outside the study.