NLSN

Nielsen Holdings Plc

A maker of audience measurement and market research, Nielsen is best known for the "Nielsen ratings" that track what people watch on television. Founded in Chicago in 1923 by engineer Arthur C. Nielsen, the company began by testing industrial machinery, then pivoted to retail tracking and invented the concept of "market share" before moving into radio and TV measurement with a device called the "audimeter." The company is named after its founder.

No 8-K or 6-K filings recorded.