This study examines the antecedents, consequences, and mediating role of trust in relationships between customers and insurance companies in Thailand. The study aims to demonstrate the antecedents of trust, the consequences of trust, and trust's mediating role. Specifically, it analyzes how factors like specific investments, information sharing, salesperson expertise and power, and contact frequency impact customer trust in the salesperson and insurance company, and how that trust then influences outcomes like performance and conflicts.