IRIANATA KARISMA, NIM. 1310247258. Mediating Role of Satisfaction on Enhancing the Effect of Service Quality and Trust to Customer Retention of HALO Corporate in Pekanbaru. Under supervision Samsir and Sri Restuti. This research held on HALO Corporate customers in Pekanbaru. This research held in order to analyze the direct and indirect impact of service quality and trust towards customer rete…