Building and managing consumer brand relationships to foster Brand Loyalty is a challenge for marketers. As Biscuit manufacturing is a major industry in Sri Lanka, it is essential to investigate the behavior of consumer brand relationships. Furthermore, identifying the influencing ability of Perceived Quality on Brand Loyalty is an emergent need in the biscuit industry in Sri Lanka since there is a growing trend of investments in quality improvements without investigating the effectiveness in terms of Brand Loyalty. By referring to relevant literature and accepted theories, the conceptual framework of this research is developed in order to examine the influence of Perceived Quality and Brand Awareness on Brand Loyalty. The research also examined the mediating effect of Brand Trust on the relationship between Perceived Quality and Brand Loyalty, as well as the relationship between Brand Awareness and Brand Loyalty. This research follows the deductive approach and cross-sectional time horizon. The study was carried out under quantitative strategy through survey method by using a structured questionnaire. Subsequent to the assurance of validity and reliability measures of the scale through the pilot study, 389 respondents contributed to the final data collection. The data were analyzed by using the multiple regression method. The results indicate that there is no significant positive influence of Perceived Quality on Brand Loyalty, while there is a significant positive influence of Brand Awareness on Brand Loyalty. Similarly, there is a significant positive influence of Brand Trust on Brand Loyalty. In addition, the results emphasize that there is a full mediation effect of Brand Trust on the impact of Perceived Quality on Brand Loyalty, while it engages in the impact of Brand Awareness on Brand