You + I, originally known as Clever Kombucha, produce naturally sparkling fermented tea in a range of flavours from their base in Glasgow. They have also recently expanded their range beyond just kombucha to include a variety of natural drinks.

Willy's make a range of fermented healthy drinks from their farm in Herefordshire.

Left Field Kombucha makes handcrafted, award-winning, ethical kombucha in the Scottish Borders. Tea redefined.

Founded in 2010, Brighton Booch brews Kombucha in oak barrels for a superior depth of flavour and uses glass containers to flavour their drinks. It was first launched in Brighton and has proved so popular they now sell online and in local shops around the country.

Hip Pop is a small family business that brews kombucha in a traditional way with nutritious organic ingredients. Starting out from a tiny microbrewery built in a garage, they have recently decided to create a proper grown-up brewery on a beautiful farm in Cheshire.