
The incumbent was Rainey Kelly Campbell Roalfe/Y&R, which won the business in May 2013 and created the inaugural campaign.
SapientNitro saw off competition from McCann Birmingham, Now and RKCR/Y&R in the pitch.
The agency will create a summer campaign for TV, social and digital channels under the new proposition "there’s more to beer".
David Cunningham, the programme director at Let There Be Beer, said: "Creative executions will be looking at educating around the natural goodness and craft of brewing, creating awareness and understanding on the diversity of range and taste, with the end goal of prompting wider occasion usage."