Credit Cards 1 Top Credit Card Comparison Sites We've researched the top credit card comparison sites.www.openwebshopper.com calculator | remortgage | fixed rate | loan | rates insurance cover | buy to let | second loan | 100% commercial | lenders | first time buyers | flexible self employed | council of lenders | interest only right to buy mortgage | offset | self build | arrears self certification | endowment | non status | spanish