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.

No 1 Living Drinks make a range of Kombucha drinks designed as a tasty and healthy alternative to other drinks on the market. Their products are dairy-free, organically certified, gluten-free and suitable for vegans. They use sustainable materials wherever possible, including their bottles and packaging.

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

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.