Gemius
Technology, Information and InternetMasovian, Poland201-500 Employees
Gemius is an international technology and information company headquartered in Warsaw, Poland (48 Ulica Domaniewska, Masovian Poland), serving the digital and cross‑media audience measurement market. Its product portfolio is used by marketers, publishers, media agencies, and Joint Industry Committees across Europe to access data across devices and media ecosystems, including walled gardens. Since 2016, Gemius has expanded from digital to cross‑media measurement, and in 2018 it launched a hardware‑panel–based single‑source measurement research covering TV, online, and radio media consumption and ad contact and exposure. The data encompass local and global publishers as well as major platforms such as Facebook, YouTube, Instagram, and TikTok. The company employs between 201 and 500 people and reports annual revenue in the range of $50 million to $100 million.