@jasonJ: Try settings up Samsung Pay+ in the Samsung Pay app, then adding your card. To find out more, please check out the link below.
How To Use & Set Up Samsung Pay+ | FAQs | Samsung UK
It might be worth getting in touch with the Card Company just to check if they have come on board to allow their cards to be added to Samsung Pay @jasonJ
If they haven't then Google Pay could be a viable alternative.
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "