bad service

still refuses sending my paid up letter i have previous logged a complaint however still no joy i went into the bank to get a confirmation of payment i sent it through to nimble group as they requested still rejects sending my paid up letter and removing the default on my ITC they confirmed that the account number the funds were paid to is correct however they cant trace my payment which i have made consultant emails me very arrogant sorry we cant retrieve the payment we cant give u the paid up letter ive been into the bank requesting payment confirmation i sent it payment was confirmed that it went threw successfully into the nimble standard bank account

i want my paid up letter i want the default removed from ITC