NielsenIQ is a global measurement and data analytics company that specializes in consumer and market intelligence. Founded in 1923, it has a rich history of providing reliable data on marketing and sales impacts. The company operates in 90 countries and has its UK headquarters in Oxford.

NielsenIQ offers a variety of services focused on retail and consumer intelligence. These include consumer measurement to track behavior and purchase patterns, retail measurement for detailed product sales and market share data, and advanced analytics solutions for actionable insights. The company also integrates data from traditional retail and e-commerce channels to provide a comprehensive view of consumer activity. Additionally, NielsenIQ provides custom research and consulting to help clients optimize their marketing and sales strategies.

The company serves a diverse range of clients, including consumer packaged goods companies, retailers, manufacturers, and marketers, all of whom rely on NielsenIQ's insights to drive growth and innovation.