1. A computer system comprising: one or more processors; a software program, executable on said computer system, the software program configured to: cause an enrichment engine to receive an input data set comprising a first supplier and a second supplier; cause the enrichment engine to perform standardization and cleansing of the input data set, the standardization comprising validating supplier addresses to a locality/city level; cause the enrichment engine to identify duplicate entries in the input data set; cause a matching component of the enrichment engine to perform matching of non-duplicate entries of the input data set to a business compendium having data compiled from a third party source, wherein the matching is performed according to criteria comprising, a first priority comprising name or address having a score greater than a minimum and changed manually in the past, a second priority comprising name or address having the score greater than the minimum and generated by a matching engine, a third priority comprising the third party source as a preferred data provider, and a fourth priority comprising a most recent updating; cause the enrichment engine to create an enriched data set including additional information based upon the matching, wherein the additional information comprises common corporate ownership and a unique supplier location indicating the first supplier as a subsidiary of the second supplier; and providing the enriched data set to a user for manual review.