Founded in 1986, BestMark is one of the nation’s first and largest mystery shopping and customer experience measurement companies. “Field representative” is how we refer to all who perform market research services for BestMark’s clients and are not employees of BestMark, but rather independent contractors. A field representative is a self-employed evaluator, who seeks to be informed about opportunities to perform projects for third-party clients. Benefits to becoming a field representative include opportunities to Earn extra money, free meals or services Help companies improve their customer service Try new businesses and services Get bonuses for referring friends and family to BestMark.