Vizeum, which already handles the media planning and buying duties for Coca-Cola GB which includes brands Coca-Cola, Fanta, Sprite and Dr Pepper will start work on the new accounts from 1 January.
Vizeum has won the £12m media planning account for Carnival Group Cruises, parent company of P&O Cruises.
Matthew Hook has been handed a seat on the board and the reins to the agency's first strategy unit, Jump.
Kerry Foods has consolidated its £13 million media planning and buying account for the UK and Ireland into Vizeum.