It is the Catalan instance of the Spanish Socialist Workers' Party (PSOE), and its Aranese section is Unity of Aran.

The party had also been allied with federalist and republican political platform Citizens for Change (Ciutadans pel Canvi) until the 2010 election.

PSC–PSOE has its power base in the Barcelona metropolitan area and the comarques of Tarragonès, Montsià, and Val d'Aran.

The party advocates for the preservation of the natural environment by implementing sustainable development strategies that promote economic advancement and the welfare of everyone.

[7] The Socialists' Party of Catalonia promotes individual initiative, entrepreneurial freedom, and innovation within the context of a socially accountable market.