The move has been taken to better coordinate advertising for its brands because Leo Burnett already handles the account for its Becks brand.
Phil Rumbol, InBev UK marketing director, said: "As part of a global review of our media strategy, we have been realigning brands within our agency network to deliver greater synergy.
"We have no issue with the quality of the creative work developed by Fallon and fully appreciate the work that it has done on the Leffe brand. Our decision to bring the UK business for Leffe within Leo Burnett's remit is a natural move within our business strategy."
This latest move does not affect the media planning and buying account, which will continue to be handled by Starcom.
Other InBev brands include Stella Artois, Hoegaarden and Skol.
Pic: InBev
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