Nielsen is a global leader in audience measurement, data, and analytics, focusing on consumer behavior across media and retail industries. Founded in 1923 by Arthur C. Nielsen Sr., the company has a rich history of innovation, including the development of the Audimeter for radio audience measurement and the establishment of the Nielsen Ratings for television.Operating in over 55 markets, Nielsen provides valuable insights to clients in media, advertising, retail, and consumer packaged goods. Their services include audience measurement for TV, radio, and digital platforms, as well as market research through tools like the National Consumer Panel and retail measurement indices. Nielsen also offers data analytics solutions that assist advertisers in optimizing their media spending and understanding consumer purchasing habits. Their methodologies are essential for various sectors, including media companies, CPG brands, advertising agencies, and financial institutions.