Methods and Systems for Global Online Brands Social Networks (BSN) Platform and Framework are disclosed for managing Users' Profiles, brands group lists, Brand user Friends, User created Brand Networks and related Members, Publications, Applications, Services and Communications and Collaborations among users. Further, it also manages brand owners' brand networks and members, and brand experts to enable and facilitate users for branded products and services related sales or e-commerce, marketing, promotion and support services, alternative products and services brands lists. BSN also provides Social Customers Relationship Management (SCRM) and Multi Brand Customers Services Life Cycle (MCSLC) Framework to facilitate brand owners and customers.