DiPocket had a lot successes in Poland recently and opened a large branch there. Some new services were announced recently, like cooperation with very popular Zabka stores. But except of that, DiPocket is not Polish.
Even the Polish branch has been registered as a foreign company branch and not a separate Polish company (even Revolut did the latter, see for example Revolut Technologies Poland Sp. z o.o.). The founders are not Polish. The board in fact consist of 1 guy from Poland, but there are also 6 more people from elsewhere.
It’s definitely NOT Polish.
We may aswell call it Hungarian, due to their cooperation with PlayIT gaming festivals, especially as those cards were HUF capable only.
DiPocket is a British company, of course.
But in fact they provide quite a good experience, Polish support is awesome and I felt kind of like being home when using it too; though I guess it was the factor that led you to your assumption
Also DiPocket seems to be currently supported by Curve and working fine. I have quite a lot of their cards, including those branded ones and only single one of them refuses to register with not only CRV, but with Google Pay also; it seems they forgot to enable 3D secure for it or something, anyway this is rather accidental and can be easily fixed by reordering the new card for free.
And except of that one, the rest of their cards always connected without a problem. I have some of them active even atm. If your card fails to connect then maybe it’s faulty like the one above? I guess you can check by generating an additional virtual card for free and try if it works.