A B2B (Business-to-Business) Portal is a website that facilitates interactions, negotiations and transactions between two business entities. It's a part of e-commerce. Some examples of b2b portals are Alibaba and eWorldTrade .
Difference between B2B and B2C Portals/WebsitesEdit
The main difference between B2B and B2C portals and even overall concepts is between the customers or end users. B2C involves a business selling to consumers and B2B involves transactions between businesses. The sub processes are also different on the basis of this. Selling cycles, purchase decisions, funnels are also different on the basis of this differentiation.