NielsenNielsen is a global measurement and data analytics company that provides the most complete and trusted view available of consumers and markets worldwide. Our approach marries proprietary Nielsen data with other data sources to help clients around the world understand what's happening now, what's happening next, and how to best act on this knowledge. Nielsen produces reports, such as the Local Watch Report, Commercial Trends in Sports, Total Consumer Report, reports on health and wellness, food, beauty, and other reports.