The insurer has approached several UK agencies about the brief.
Winner had been dropped by Esure in May 2005 in favour of an animated 'Mister Mouse' character as the firm sought to push its online sales arm. However, he was reinstated last November. Its TV work shows Esure policyholders talking about their no-claims bonus discounts.
In January, Esure moved its £9m direct business in-house after incumbent Sharpen Troughton Owens Response merged with RMG Connect.