We aim through this study mainly to measure the impact of knowledge management on Business intelligence through its factors. We have followed descriptive, inductive and experimental approaches. Where we have developed a model that shows the relationship between the variables and its impact (Knowledge management and Business intelligence). In this study we relied on structural dimensions as Leadership, cultivation; Technology, and process. This study was conducted on a sample of 153 individuals from 33 telecom agencies or commercial spaces in Algeria (8 WTA, 11 OTA, 14 AT), where the main results of this study showed the existence of a (strong - positive) correlation and effectiveness of Knowledge management and the Business intelligence.