The Wimbledon-based agency won the consumer and trade account in a two-way pitch.
Touch PR will launch a campaign called ‘Plain English', which will focus on demystifying brandy. The agency will also create surveys and awards, concentrating on raising the brand's profile during key periods for gifts such as Easter and Christmas.
The French grape brandy Three Barrels has 1.2 million existing consumers in the UK.
Touch PR will liaise will Harriet Knight, brand manager at First Drinks. The Touch PR team will be headed by Amanda Baiden, director, and Jo Ramonell Davies, account director.