The account will likely move to MediaCom, the agency that handles the Royal Bank of Scotland's £30m media account, without any formal pitch. RBS is awaiting regulatory approval for the Churchill deal, and a spokeswoman said that any decision would have to wait until approval for the deal is received.
The loss of the work would come as a blow to Carat, which set up a new division in April to handle its below-the-line clients, which includes Churchill, WeightWatchers and Dell.
Royal Bank of Scotland retains Saatchi & Saatchi for creative work across a number of products, while Churchill works with agencies including TBWA\GGT Direct and Elliott Borra Perlmutter, which works on the "give the dog a phone" ad campaign.
This week, Churchill launched an email marketing push through AWA3D.
If you have an opinion on this or any other issue raised on Brand Republic, join the debate in the .