Service quality and customers satisfaction are very important concepts that companies must understand to remain competitive and grow (Angelova & Zekiri, 2011). satisfied customers from the foundation of any successful business as customers satisfaction leads to repeat purchase, brand loyalty and positive word of mouth (Tsoukatos & Rand, 2006). The quality of service and the achievement of customer satisfaction and loyalty are fundamental for the survival of insurers (Taylor, 2001). Insurance companies are seeking to increase customers satisfaction and loyalty through improved service quality (Siddiqui & Sharma, 2010). This study analyzed the effect of service quality that implemented the claim fast track process to customers satisfaction to customers loyalty in one of PT. Reinsurance XYZ in the year 2021. This study also analyzed the mediating role of customers satisfaction in the effect of service quality that implemented the claim fast track process to customers loyalty and analyzed the moderating role of type of ceding/broker (government owned / half government owned or non-government owned) in the effect of service quality to customer royalty. The data process is using quantitative method, and the sample is taken from insurance company and reinsurance broker, and the sample collected from survey questionnaire with 63 respondents that are the customers of PT. Reinsurance XYZ and submitting claim using claim fast track during year of 2020 until 2021. The objective of this research is to identify and analyze the impact of service quality through SERVQUAL towards customer satisfaction which also affects customer loyalty by implementing the claim fast track process.