Actually if we're nitpicking its a UK branch of Amazon Luxumbourg (UK Company No. FC032354 UK VAT Number: GB 727255821).
But that's not really the point. The crux of the matter was not Amazon, but it was UK-issued VISA cards accepted on Amazon UK (and the post-Brexit removal of the EU’s European Interchange Fee Regulation cap).
Which basically brings us back to the cross-border topic at hand (i.e. EU or branch-of-EU company accepting UK cards).
There is no separate legal entity "Amazon UK". So why should a Luxembourg company get UK card rates?
You were the one who said its "Amazon Luxumbourg" mate.
I merely pointed out that technically it was actually a UK branch thereof, so you were not right to call it Amazon Luxumbourg per-se. Its a Local Registered Branch.
Amazon make the differentiation on their website. So should you.
> So why should a Luxembourg company get UK card rates?
Its simple. As I said quite clearly in line two of my post....
What Amazon UK is or is not is not the point of discussion here.
The ultimate cause was the post-Brexit removal of the EU’s European Interchange Fee Regulation cap.
End of story.