Their sole current National Council of Switzerland member was until 2011 Josef Zisyadis, who was elected in 2007 for the Swiss Labour Party.

The third congress took place in Zurich on 5 March 2011, where party members voted to launch a national referendum blocking the flat-rate tax incentive favoring foreign millionaires which financial lobbies had sought to enthrone as a Swiss constitutional amendment.

The third congress was at the 30th juny[clarification needed] in Biel with a discussion with Stéphane Hessel in the afternoon.

The national organisation got dissolved in 2018, while the local section in Bern as well as the groups that were united under the Alternative Left are still in existence.

In total the "Alternative Left" counts actually six official sections: In the French-speaking part of Switzerland the members of the party come mainly from the Swiss Party of Labour, solidaritéS, Les Communistes and independents.