Months of Unhelpful phone calls to RCS loans for settlement letter

I settled my game RCS loan already in the beginning of the year, i have been phoning constantly for my settlement letter and for my account to be closed but yet i have received nothing after being told "they have to revert back to their accounts department and i will receive the letter within 24-48 hours", here i am a few months later still sitting with no settlement letter and no closed account. This is not very good customer service and does not meet the standard of treating customers fairly if it is a constant fight to try get something as simple as a letter. After phoning numerous times and not getting any assistance i have had to revert to coming to Hello Peter in order to try maybe get the help i need.