In 1976, three branches of the CPB-ML split and formed the Communist Workers Movement, initially under the leadership of Ian Williams.

Notable early members of the CPB-ML included writer William Ash,[6] journalists and academics Roy Greenslade and Steve Hewlett,[4] engineer and trade union activist Mike Cooley, journalist and speechwriter Ian Williams[7] and comedian and author Alexei Sayle.

[8] During the British EU referendum of 2016, a number of parties on the far-left supported "Lexit" (arguing for Brexit, Britain leaving the European Union, from a left-perspective).

This was supported by a broad array of British political figures, from Nigel Farage of UKIP to Kate Hoey of Labour and George Galloway of the Respect Party.

"[11] It also stressed concerns in the same article that this recent mass immigration was having the effect of impacting national infrastructure; schools, hospitals and transport; by overloading them, to the detriment of the indigenous working-class.