Viva! is based in Bristol, with a branch office in Poland. The group is an active campaigning organisation, working on issues such as factory farming and slaughter. Campaigns include End Factory Farming, Eat Green, Foie-Gras free Britain, Exotic Meat, Ban the Farrowing Crate, Dark Side of Dairy and youth campaigns including The Big Coverup.
Viva! organizes the biannual national "Incredible Veggie Roadshow" in London, along with other regional roadshows across the UK designed to help people become vegetarian or vegan. In addition to producing leaflets, guides, reports, websites and other materials, the group publishes a triannual journal entitled Viva! LIFE, which includes recent research and campaign information, as well as vegan recipes. Viva! enjoys the patronage of numerous well-known entertainers, including Martin Shaw, Heather Mills, Michael Mansfield QC, Jerome Flynn, Hayley Mills and Paul McCartney.