A computer-implemented engine, system and method for generating business valuations, scoring, and/or flagging over a network, responsively to information input by a user remote from the engine, system and method. The invention may include a graphical user interface capable of locally querying a user to input the company information, at least one network port capable of remotely receiving the company information from the graphical user interface, and at least one engine communicatively connected to the at least one network port, which engine preferably includes a plurality of rules to generate, responsively to the input company information, at least one of a business valuation, a business score, and/or one or more business flags to be used as indicators in a network marketplace, for the company associated with the inputted company information.