GfK Mystery Shopping is the performance measurement division of GfK. We are specialists in mystery shopping and other forms of performance measurement. Our belief is that effective mystery shopping requires having appropriately profiled and trained assessors visit the correct locations, then taking their findings and reporting them to various levels of client personnel in a user-friendly, informative and friendly manner.
GfK Mystery Shopping is a founder member of the Mystery Shopping Providers Association (MSPA).
TNS UK Ltd is part of Kantar, the insight and consultancy arm of WPP Group plc, a FTSE 100 and NASDAQ listed company.
TNS UK is an internal provider of market research services to the Kantar group. We undertake market research interviewing for Kantar’s research businesses, including TNS BMRB, Kantar Media and millward Brown as well as working for a range of clients. Our role is to identify, create and deliver high quality operational solutions by harnessing the combined power of technology, people and know how.
Our data collection consists of face to face, telephone, coding, data entry, process tools, software, technical solutions, operations metrics and performance measurements. We also develop and drive best practice in areas such as sampling and respondent engagement.