Top40-Charts is an American global entertainment information and measurement company with headquarters in Manhattan in New York City.

Top40-charts.com has bureaus in Los Angeles, London, Barcelona, Thessaloniki and Beijing.

[1] The company started as an online music fanzine, but soon diversified, publishing official entertainment industry news content, selling DVDs, Blu-rays, CDs, video downloads/streaming and MP3 downloads/streaming.

The company employs roughly one hundred full-time employees, including about 25 scientists, and many avocational researchers in different countries.

Although the Top40-Charts conducts surveys primarily of entertainment industry and it has participated in or carried out multiple "international opinion research projects".