MBNA service the following cards: BT credit card, old Abbey credit cards (not the santander ones), Virgin, most of the older Alliance & Leicester credit cards, but also they do a lot of affinity cards such as breakthrough breastcancer, lufthansa,bmi amex....there's quite a lot of cards that MBNA do because they're the biggest credit card issuer in the UK.Sometimes you'll be surprised what cards are all covered by MBNA! I used to work for them and they had many different brands coming through housed under them. Most of the other big names aren't in the MBNA group so you should be ok.