The Nielsen Company is a leading provider of marketing information, audience measurement, and business media products and services. By delivering an unmatched combination of insights, market intelligence, advanced analytical tools, and integrated marketing solutions, Nielsen provides clients with the most complete view of their consumers and their markets.

Headquartered in New York, USA and Haarlem, The Netherlands, Nielsen operates in more than 100 countries with a global team dedicated to helping clients compete more effectively and discover opportunity with more clarity than ever before.

Major businesses include Nielsen Online, formed by the combination of Nielsen//NetRatings and Nielsen BuzzMetrics, and Nielsen Mobile, incorporating Telephia.