Abstract: Supplier evaluation system for selecting a supplier for a project and/or monitoring a current supplier's performance. A supplier evaluation system first comprises a first database storing a plurality of inquiries and supplier contact information. The supplier candidates identify raters and those raters receive the inquiries over a computer network. The system provides a user interface for the rater to confidentially respond to the inquiries. The raters' responses are then electronically sent to one or more databases in the system and the system's database management system analyses the responses and makes them available to purchasing agents in a plurality of formats.