The agency won the business without a pitch and will develop local work based on Bacardi’s "it started with a party" positioning.
Johannes and Leonardo, Bacardi’s global agency, is unaffected by the appointment and continues to create Bacardi’s global advertising.
Brothers and Sisters is tasked with making this global strategy relevant in the UK across all media.
Andy Fowler, the executive creative director and founder of Brothers and Sisters, said: "We’ve wanted to work with an iconic spirits brand for a while and Bacardi is exactly that. The heritage they have and the stories that have been collected over the last 150 years are incredibly inspiring."
Catherine Archer, the director of marketing, rum, at Bacardi, is overseeing the UK launch of the ‘it started with a a party campaign".