 Zattoo is operational in two business areas - in addition to its own B2C TV streaming operations aimed at end customers in countries such as Germany and Switzerland, Zattoo has a B2B offfering and works with telecommunication companies worldwide.With roughly 20 million registered users, Zattoo is the biggest TV-streaming provider in Europe.Live TV and on-demand content can be watched via Zattoo on computers and smartphones (iPhone, Android, Windows 10) and on tablets (iPad, Android, Windows 10).