Nowadays regard to fast growing up value of concept of social network for investigation of roles that governs on social and importance of developing brand reputation in market, and try to study impression on each other. In this research 8 brands of electric manufactures (4 national brands and 4 international brands) are elected and roles of social network on reputation and establishment of this concept between Sanandaj consumers have investigated. The goal is define of social network roles on brand reputation developing. In this paper used research method and gathering information by questionnaire technic. By using simple random sampling method elects 384 electrical consumers questionnaires that have completed in Sanandaj city. The main hypothesis of the research is social networks have direct effects on developing of brand reputation. Based on results of this research valuable relation exist between social networks and general brand reputation. Also in the social networks, relations between staff, position of them and core of network have grate effects on developing of brand reputation.
