Giorgetti was described by The New York Times as a powerful aide to Umberto Bossi,[3] founder and federal secretary of Lega Nord from 1991 to 2012; and by The Economist as his "dauphin".

Under Matteo Salvini, Bossi's opponent and new federal secretary of Lega Nord since 2013, Giorgetti continued to be one of the most influential members of the party.

Speaking at the 2018 edition of the Communion and Liberation's Rimini Meeting on 20 August 2018, he addressed the rise of populism, stating that "the Italian Parliament doesn't matter anymore because it's no longer understood by citizens, who see it as a place of political inconclusiveness".

[7] In 2006, Giorgetti found himself at the center of a controversy for having refused in 2004 a 50–100,000 euro bribe from Italian banker Gianpiero Fiorani.

Of all the electoral systems I've known, the one that worked best is Mattarellum", saying that "local mayors, entrepreneurs, professionals and people representing their own territory were brought into nationwide politics thanks to FPTP's single-member districts mechanism".