Welcome to Devon, the home of...Ambrosia full of dairy goodness. Ambrosia Dairy, created in 2011 (United Kingdom), from 40 sister brands and 6071 competing brands. Welcome to Devon, the home of...Ambrosia full of dairy goodness. Ambrosia Dairy's notoriety arose from exemplary management which optimizes product quality and client satisfaction, which in turn generate financial performance, and therefore, stock performance. Being a Popular brand online is assessed based on the evolution of worldwide Web searches over the last five years.