The purpose of a PERT network is: to monitor the quality of a product for compliance with ISO 9000 standards. to monitor the progress of a multi-step project during its development. to connect all firms that are ISO 9000 certified so that they can partner with each other on future projects. to be used as a decision-making tool when evaluating the best facility locations and layouts.

To begin with, a "Program Evaluation and Reviews Techniques" or PERT as it name indicates it refers to an stadistic technique by which the companies can follow the process of certain projects that they are having currently. Moreover, its main purpose is to manage and analyze the steps that a project has in order to make them less susceptible to errors. In addition to that, its main factor to observe is the time during the steps of the project. Nowadays is very common to use a tool like this in major companies.