Nielsen Holdings plc, together with its subsidiaries, operates as a measurement and data analytics company worldwide. The company provides viewership and listening data, and analytics principally to media publishers and marketers, and advertising agencies for television, computer, mobile, CTV, digital, and listening platforms. It also offers television audience measurement services; digital audience measurement services; video advertising services; and independent measurement and consumer research primarily servicing radio, advertisers, and advertising agencies in the audio industry. In addition, it offers consumer behavioral and transactional data. Nielsen Holdings plc provides marketing solutions. The company was founded in 1923 and is headquartered in New York, New York. As of October 11, 2022, Nielsen Holdings plc was taken private.