14 Months on and no cashback!
I'm assuming now that this will never be paid. I selected SpaSeekers purely on the high rate of cashback being promised. The spa day was purchased as a gift and I'm told it was okay, nothing special. Other reviewers seem to have had a similar experience so my recommendation would have to be, look elsewhere for your spa day if the promised cashback is the reason for choosing Spa Seekers.
If at some point in the future the payment is confirmed I will be sure to update this review but I won't be holding my breath.