A system and method provide an efficient and simple procurement process that is easily customizable and allows the automatic mapping of supplier information and catalogs according to the buyer/purchasing organization's internal data schema used for representing such data, and updates the buyer/purchasing organization's hosted supplier information and catalogs automatically. In an exemplary embodiment, access to an electronic procurement system is requested, a supplier provides supplier data through a graphical user interface (GUI) for storage in one or more databases of an electronic procurement system, the supplier designates a subset of the supplier data as protected supplier data, and conveniently selects one or more buyer organization's supplier management systems to receive the provided supplier data.