[1] It is supported by Unite, the GMB, the RMT, the GFTU and a number of other UK, Irish and international unions.

[1] USi also provides training for trade union activists on using new media for campaigning.

The organisation shares a director with the Global Labour Institute, and has a close relationship with the GLI network.

As of 2014, USI was running a campaign to assist labourers in the brick manufacturing industry in Andhra Pradesh.

[2] This article related to one or more trade or labor unions is a stub.