After following up with them they have answered the following in red:
"Thank you for getting back to us.
Unfortunately, as mentioned, there is nothing that can be done to rectify the situation and to open the account.
We are considering the matter closed and will not communicate on it further."
I understand this is completely outrageous given all of the proof I have provided - where do you recommend I escalate this issue please?
Remind me again, do your bets consist of sport-betting? Rollbit is on CasinoGuru, of whom can probably help your case and retry it, but they don't mediate sport-betting related issues. It's worth a shot, though, perhaps if you tell them that your issue is about residency and not the betting themselves, they will want to mediate.
Know that the forum also adhere to their ruling. We're working side-by-side with them and honoring their final verdict. So when they come with their final words, all of us are bound by that ruling.