United Srpska president, Nenad Stevandić, formed the party after criticising the Serb Democratic Party for a perceived lack of sufficient nationalism, stating that its representatives on a national level have aimed to "destroy Republika Srpska".

[4] During the 9th convocation of the National Assembly of Republika Srpska, Stevandić was a part of the Free Democratic Serb Group, which comprised other right-wing SDS dissidents.

At the 2018 general election, US gained representation within the National Assembly in its own right for the first time.

In November 2018, it was announced that US would participate in the governing coalition, alongside SNSD, DNS, SP and NDP.

Major positions held by United Srpska members: