Initially, the station rented premises in the then headquarters of the Polish Economic Society at Nowy Świat 49 in Warsaw.

In early 1994, Radio Zet and their direct commercial rivals RMF FM were granted nationwide licenses.

Also in 1994, Andrzej Woyciechowski waged a dispute with Polish Radio's Program 1 over broadcasting the Lillehammer Winter Olympics.

At the beginning of 2018, the Lagardère holding company put the Eurozet group, owner of Radio Zet among others, up for sale.

On February 20, 2019, in a stock exchange release, Agora SA (which already owned the station in the 1990s) announced that Czech Media Invest had entered into an agreement to sell its shares in Eurozet sp.