eMarketer is a market research company that provides insights and trends related to digital marketing, media and commerce. The company was founded in 1996 and is headquartered in New York City. eMarketer's research is based on data from thousands of sources, including surveys, interviews, and publicly available data. The company's clients include marketers, advertisers, and media companies who use eMarketer's insights to inform their strategies and decision-making. eMarketer is known for its accurate and reliable research, and is considered a leading authority on digital marketing trends.