This research is to investigate the factors that impact customer satisfaction in the competitive food testing industry to help companies improve their services and attract and retain customers. Theoretical Framework: This study examines factors influencing customer satisfaction in food testing services, including price, corporate image, service quality, employee behavior, and service innovation. The framework incorporates previous research models to understand customer expectations and perceptions. Design/Methodology/Approach: The research employed a quantitative methodology, and a self-structured questionnaire was developed and administered to a convenience sample of 150 customers who use the food testing service of Quality Assurance and Testing Center 1 (Quatest1). The gathered primary data was screened, processed, and analyzed using SPSS. Findings: The results indicated that while reasonable price factors, corporate image, service quality, employee behaviors, and service innovation significantly influence customer satisfaction, in which service quality and affordable price have the most significant impact. Research, Practical & Social implications: To improve customer satisfaction and reputation, Quatest1 should prioritize service quality, maintain reasonable prices, innovate testing experience, promote ethical and professional behavior, and monitor service performance. Originality/Value: The current paper study on factors that impact customer satisfaction in food testing services. The study's findings reveal that service quality and affordable prices are the most significant factors affecting customer satisfaction. The study's research model and self-structured questionnaire can be helpful for future research in this field. The results can aid conformity assessment companies in improving their services, attracting and retaining customers, and maintaining competitiveness in the market.