[1] The SLP advocates economic localism, supported Britain's exit from the European Union and is in favour of reopening the mines.

[3] Arthur Scargill founded the Socialist Labour Party in 1996 as a reaction to Tony Blair's abandonment of Clause IV in the Labour Party's manifesto a year earlier, widely interpreted as a final rejection of a commitment to public ownership.

The SLP advocates the nationalisation of leading industries privatised under Conservative Prime Minister Margaret Thatcher during the 1980s, with the economically liberal policies being maintained and expanded upon by her successor, John Major.

[7][8][9][10] Another councillor resigned and joined the party after being suspended by Hartlepool CLP amidst claims he helped one of the defectors in his election campaign.

[21] The Socialist Labour Party contested all electoral regions of the Scottish Parliament in 2011, increasing its share of the vote from 0.7% in 2007 to 0.9%.

[22] At the 2011 local elections on the same day, the SLP's Kenny Spain received 251 votes (equivalent to a 27% share) finishing in second place at the Rossmore ward of Cheshire West and Chester.

[23] Although the SLP's three councillors, defectors from Labour in the Borough of Barking and Dagenham, lost their seats, the party's vote in the local elections of 22 May showed an upward trend.

In 2017, the best result at that year's general election, out of the SLP's three candidates put forward, was at the Birmingham Perry Barr constituency; where Shangara Bhatoe received 592 votes (equivalent to a share of 1.3%).

The twelve constituencies contested by the SLP at the 2024 UK general election were: Ayrshire Central, Ayrshire North & Arran, Bangor Aberconwy, Barnsley South, Birmingham Perry Barr, Camborne & Redruth, Derbyshire South, Edinburgh North & Leith, Forest of Dean, Gloucester, Mansfield and Plymouth Sutton & Devonport.