نوارلإسلام بن حفيظ2025-05-082021-09-27https://dspace.esm-tlemcen.dz/handle/123456789/103This study aimes to know the effect of the brand on the loyalty and satisfaction of Algerian consumers. To achieve this, we studied a group of brands represented by Algérie Télécom and Mobilis. Jazzy and Ooredoo. As 100 electronic questionnaires where Distributed on all social networking sites, in particular Facebook, and included all Facebook pages of the wilaya of Batna, where the data was processed using the statistical program spss, and the results of the study showed a direct positive impact of individual brand value, Identity, satisfaction and trust in consumer loyalty levelsotherTrade mark. Consumer's behavior. Loyalty. Satisfaction. Trustأثر العلامة التجارية في تحقيق الولاء والرضا لدى المستهلك الجازئريThesis