You need to get credit card in French. I suggest you looking information for cartes de crédit. You can search it in the internet. Search in the forum or personal blog about credit card what credit card you choose like visa or master card and rate, what value will you get if you get this card. This is important for you to using for your card.
Beside that if you know more about another financial , like assurance crédit immobilier for car credit or leasing loi bouvard. i suggest to look credible company which long established in french.