[2] In 1991 he joined the Real Politics Union (UPR) and during his membership he successfully ran for a parliamentary seat in the Kraków Voivodeship in 1993.

From 1997-1998, as part of the local coalition of the Freedom Union and the UPR, he served as vice-president of Kraków on the board of Józef Lassota.

In the 2001 elections, he unsuccessfully ran for the Sejm on behalf of the Civic Platform as part of an electoral agreement between the UPR and the PO.

[4][5] In 2002 he ran again as a candidate for local government elections on behalf of the UPR - this time for the Małopolska regional assembly.

The choice was contested by some party activists gathered around Magdalena Kocik, who had previously been elected president by her supporters.

At a conference organized by the WiP, Żółtek supported Janusz Korwin-Mikke's candidacy in the 2010 presidential election on behalf of the UPR.

[12] In the meantime, he ran in the 2010 local elections on behalf of Janusz Korwin-Mikke Voters Movement Electoral Committee for Mayor of Kraków, taking 4th place out of 6 candidates and receiving 1.56% of the votes.

[19] In January 2015, together with Michał Marusik and other members of the Congress of the New Right, he supported the ousting of Janusz Korwin-Mikke from the position of the party's president.

[20] In June 2015, he joined the newly established European Parliamentary Group, Europe of Nations and Freedom.