Cadbury sold tea, coffee and drinking chocolate. Cadbury developed the business with his brother Benjamin, followed by his sons Richard and George. George developed the Bournville estate, a model village designed to give the company's workers improved living conditions. Dairy Milk chocolate, introduced in 1905, used a higher proportion of milk within the recipe compared with rival products. By 1914, the chocolate was the company's best-selling product. Cadbury, alongside Rowntree's and Fry, were the big three British confectionery manufacturers throughout much of the nineteenth and twentieth centuries. Cadbury was granted its first Royal Warrant from Queen Victoria in 1854. It has
Cadbury Castle, Somerset part of the name may come from the River Cam, as with the nearby villages of West Camel and Queen Camel. Other scholars suggest a derivation from some figure named "Cador" or "Cada". It is one of three sites in Somerset to include the Cadbury name, the others being Cadbury Camp, near Tickenham, and Cadbury Hill, which is also known as Cadbury-Congresbury to distinguish it from the other sites. Local tradition, first written down by John Leland in 1542, holds that Cadbury Castle was King Arthur's Camelot. The site and the Great Hall are extensive, and the writer Geoffrey Ashe