Gemius

Gemius, a privately owned company founded in 1999 and headquartered in Poland, employs approximately 240 people. It operates as an international research and technology firm, specializing in digital and cross-media audience measurement and marketing solutions. Its services are utilized by marketers, publishers, media agencies, and industry committees across Europe. Gemius's focus expanded beyond digital measurement in 2016 to encompass cross-media measurement, including a single-source measurement research initiative launched in 2018 using a hardware panel. This research provides data on TV, online, and radio media consumption and advertising exposure, covering both traditional publishers and walled garden ecosystems such as Facebook, YouTube, Instagram, and TikTok.