customer relationship management in securities company - the case of bao viet securities company 2007 is the year of harder competition in stock market for Securities Company. There are over 100 companies who have worked in this new industry. Some small company after one year operation has reached many impressive accomplishments, for example VNDirect or FPT Securities by applying CRM in their activities. Bao Viet Securities Company is the first company in securities market, but it has lost market share to other new competitors. Base on these threat, maintain the relationship with exist customers maybe the live-door for BVSC. This study concern of these following issues: - Study about the relationship between communication with customer and improvement in performance of BVSC. - Study about understand customer and customer segmentation for BVSC’s marketing campaign.