Money Marke Account

I have received the worst service from the people of money market account help centre I have a voucher cost R750 so I went to change number now they took my documents and pictures from the 15 January then I went back on 20 January the said they will escalete the matter I went today for feed back nothing was done still promising to escale today its 2nd February i will still wait for another 7 days im so dissapointed