Mystery Researchers, formerly known as Research Services Group (RSG), provides accurate and timely global mystery shopping services to a wide variety of businesses and industries. The company was founded in 2008 by Lisa van Kesteren, a veteran mystery shopping research pioneer. Lisa’s vision built the company upon the premise that businesses, no matter their size, deserved to have access to more reliable data from mystery shopping programs. She recognized that a combination of strict quality control procedures, highly-qualified researchers, and an army of knowledgeable mystery shoppers, could produce results like no other. Experienced. Responsive. Reliable. Consistency in how information is collected and processed, methodological expertise, and fast turnaround, are key drivers in what makes Mystery Researchers different. Our unique, single-source approach to mystery shopping allows us to easily execute programs anywhere in the world with unsurpassed speed, quality and reliability. Most importantly, our team of industry experts act as true business partners with a solid focus on your objectives, out of the box thinking and proactive solutions. Mystery Researchers is headquartered in Atlanta, GA with affiliated offices in Europe and Asia.