no response , poor customer satisfaction

I have taken out an account and settled the amount on wednesday the 15/07/2015 i was told i would get a email that states i have settled the acc . Today the 24/07/2015 i have phoned them 5 times to get the letter send to me , i have spend about 2-3 hours on the phone with them with empty promises that they would send the settlement email to me and i am still waiting for someone to help me to send it to me. This is very unprofessional of them and i will never deal with them again !!!!! Angry is an understatement!!!!! Pathetic