Résumé: The main objective of this study is to examine the advantages of the three Maghreb countries’ (Morocco, Algeria and Tunisia) stock exchanges should these be integrated into one and single stock exchange. This integration will surely result in numerous benefits both to companies and individual investors all over the three named countries. In order for this study to fulfil its objective a four- part questionnaire was designed and handed or sent to: employees; investors; middlemen and stock exchange experts. The final conclusion of our study is that should the Maghreb Stock Exchange idea be concretised it will no doubt facilitate the flow of funds within the Maghreb, which will encourage the establishment of common Maghreb investments that supports cooperation between Maghreb countries in many fields Keywords: Maghreb stock exchanges, integration of Stock exchanges, link stock exchanges, unified stock exchange.