It is important for an organization to re-dig into their purchase history, supplier agreements, classify the spend and cleanse the complete information to have a superior understanding of the spend analysis and ensure greater savings. You must consider spend analysis services since they are better equipped than you are.
An organization may not be able to do it on their own due to any of the reasons like lack of infrastructure/ resources, lack of time, lack of expertise etc. You will realize the glaring error you are doing only when you find...