FARMA is a co-operative association of farmers, producers and farmers' market organisations in the United Kingdom. Overview FARMA, the National Farmers' Retail and Markets Association is an organisation that was set up to represent farmers and organisations such as farmers markets and farm shops selling their produce directly to consumers. It operates a certification scheme for UK farmers' markets, and its rules have been adopted by many markets and are supported by the Department for the Envir… (More on Farma)