Britain has nothing to trade with? We are the fifth largest economy in the world. You don’t get to that position from having nothing to trade with.
Actually I think India just surpassed you:
But your position as #6 looks quite secure, as the next two, France and Italy, are mired behind Germany within the EU.
Oh, yep. Services. Parking spot for corrupt money in banking and real estates. How long will it last? UK is not famous for quality automobiles or electronics.