Résumé:
The main objective of addressing this topic is to provide a theoretical framework that defines and defines the various concepts related to the basics and concepts of marketing, marketing services, service quality, quality and service. As marketing is one of the most important activities undertaken by modern organizations, it is also considered a strategic axe for any confrontation between the organization And the environment in which it exists, and the quality of service is an important part in the success of the institution. Building and formulating the best distribution strategies by providing the best products and accompanying services to its customers because it has become aware at the present time of the importance of the role that the customer plays in its continuity and achieving its goals in light of competition so that it cannot survive Except by achieving customer satisfaction, and to clarify this, a case study of the Moblis Agency for the state of Mostaganem was used. It may explain the importance of quality in relation to the service institution, as it enables it to enter the markets, while excellence is the key to the success of this institution