Functional testing services are directly linked to enhancing customer satisfaction by ensuring that all the features of a software application work as intended. If customers encounter bugs or malfunctioning features, it can lead to frustration and abandonment of the product. Functional testing services help prevent such issues by catching and fixing them early in the development process. With functional testing services, businesses can ensure that their applications are user-friendly and error-free, resulting in a smooth user experience. Furthermore, by continuously using functional testing services, companies can maintain high-quality software that meets customer expectations, thereby increasing loyalty and satisfaction.