Abstract: Aspects of the present disclosure relate to systems and methods for a computer software platform for a supply chain. The disclosed improved computer software platform for a supply chain may be hosted by a distributor, and provide personalized portals to a group of users associated with supplier, where each supplier portal is customized to the user and includes the look and feel of the supplier. The platform supports multiple businesses and business models, and allows a user to easily change between multiple software environments without the need for multiple logins. The disclosed improved computer software platform may also provide alternate options within the supply chain to accommodate varying arrangements between entities in the supply chain.