Complaint

Good day

Ihad a problem with this company.imade arrangement with them they offered me 50% of siscount if ipaid within 3moths and they will send paid up letter until today no one send me anything instead im getting calls from call center to their rude agents demanding payment after ishowed them statement as proof of payment they apologised and promise to give me feedback.no one responding to my emails.ihave a proof of payment from may-july as per agreement,ihave black and white email confirming the 50% and if ipaid within 3months the account will be settled.their calls are recorded where we made that arrangement because iwant myname to be cleared in this mud icant do anything because it shows that istill owe them.ineed help ASAP