Political minnows the Libertarianz will today discuss merging with disgruntled Act supporters and even a cannabis reform group to form a liberal political party under a new brand to contest the next general election.

The party has its annual conference today in Auckland and leader Richard McGrath said Act's troubles in recent years presented as good a chance as Libertarianz had ever seen to consolidate themselves as a viable party.

"Act has slowly imploded for various reasons, I think John Banks is the last straw really for a lot of Act supporters."

Mr McGrath said Jim Owen of True Liberals - a group of disaffected Act supporters - would speak at today's conference where a merger would be discussed.

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Also speaking was cannabis activist Dakta Green, who shared Libertarianz' belief in personal freedom.