Settings → getting paid. Put your account name, sort code and account number in once and they appear on every invoice.
That's what most customers use — a card deposit through Stripe is a separate thing, for taking money at the moment they accept the quote rather than at the end.
Nothing else about your bank is stored, and GafferMate never takes payment on your behalf.
GafferMate quotes off your own price list. 14 days free, no card.
Start your free 14 days