Gusbourne PLC, together with its subsidiaries, produces, distributes, and sells English sparkling wines in the United Kingdom. The company has 231 acres of vineyards in Kent and West Sussex. Gusbourne PLC was formerly known as Shellproof Plc and changed its name to Gusbourne PLC in September 2013. The company was incorporated in 2012 and is headquartered in Ashford, the United Kingdom.