The review is being handled through AAR, which has put forward a selection of agencies for the comparison site to consider. Havas EHS has been invited to repitch for the business.
In April, Comparethemarket.com hired Albion as its customer experience agency with a brief to make the brand’s service as "unique as its advertising".
Comparethemarket.com’s ad agency, VCCP, is not affected by the CRM review. VCCP created the ongoing meerkat work, including the recent ads with Robert Webb.
A spokesman for Comparethemarket.com said the brand is currently reviewing its choice of agency to manage its "overall customer marketing programme".