Retail evaluation service supplies Mystery Shopping services for businesses to assess and improve upon customer service and quality. Working closely with its clients in the retail, hospitality, service, and entertainment industries,R E S creates customized mystery shopping programs to deliver information in a style and layout that is immediately helpful.

Mystery Shopping is the one process that measures customer service from an unbiased customer’s perspective. The programs utilize actual customer experiences to measure and compare service levels, spot trends, and monitor location progress. R.E.S tests a company's standards and policies, while providing valuable information needed to attain consistently high service levels.