The ad follows the Ikea Kitchen Squad as they ‘kidnap' a kitchen, destroy it before the owner's eyes, and then rebuild it as an Ikea kitchen.
BMB has worked on the Ikea account since June 2007, but the £8m UK account that includes all print, outdoor and TV advertising for the Swedish furniture manufacturer, will now move to Mother.
Last November, following a seven-month review.
Separately, Cake were handed Ikea's PR business.
Last month, Ikea awarded its US $90m advertising account to Ogilvy & Mather after a final four-way battle.
The WPP shop beat sister agency Berlin Cameron United, Havas' Euro RSCG and Publicis Groupe's The Kaplan Thaler Group to the business.