All profits made by the Global Ethics-owned brand at the events will go straight to Roundabout, a non-profit organisation which manufactures pumps to provide clean drinking water in developing countries.
A number of brands are already involved in Live 8, including O2, which ran the text lottery for tickets to the concert, and AOL, which has clinched the rights to broadcast all 10 concerts over the internet.
The London Live 8 concert, which takes place on 2 July, is expected to be attended by 150,000 people.