Some mystery shopping companies include Best Mark, Sinclair Customer Metrics, Market Force and IntelliShop. Secret Shopper claims to be the premier mystery shopping company and has been in business since 1990.
Mystery shopping allows people to make extra money while helping companies such as retail outlets and restaurants improve customer service. Mystery shopping also helps companies make sure customer service associates are effective over the phone. Some companies use mystery shoppers to find out how their competitors price and sell merchandise. To qualify for a secret shopper job with a company such as Best Mark, applicants must be 21 or over, have reliable transportation, have Internet access and be able to write a written report of their shopping experiences.