Through a portfolio of daily and weekly newspapers, magazines and digital platforms, as well as own printing facilities, it is the largest media group in the country.

Tamedia also owns the weekly SonntagsZeitung [de], the free national newspaper 20 Minuten/20 Minutes, the free Tagblatt der Stadt Zürich [de], the weekly financial newspaper Finanz und Wirtschaft [de], the women's magazine Annabelle,[6] the family magazine Schweizer Familie, the television supplement TV täglich, and the daily newspapers Thurgauer Zeitung and Zürichsee-Zeitung.

[9] In December 2018, Tamedia invested on Monito, a comparison website for international money transfer services.

[10] In 2015, the media group introduced the 12-App (#12) which presents the day's top stories from 21 editorial teams within Tamedia.

Consisting of seven stories and 10,120 square metres (108,900 sq ft), the building uses timber as its main structural system, which is visible through its large glass windows.