Someone with Decision Making S****s is needed ASAP !

For more than 15 years I have had a business contract with MTN with 2 numbers attached. I have always been happy with MTN and never wanted to venture to another service provider, until now ! On sale and closure of my business I went to MTN to ask if my numbers can be transferred to a personal account - yes ! it can and I submitted all the documentation they requested. I signed all the paperwork and off it went - I received an sms saying I cannot swap to a personal account and contact my salesperson. I duly did this and he explained I don't have a good credit rating and should contact Transunion to sort this out and then reapply. I contacted Transunion and paid my monies to get a current credit rating - imagine to my surprise that it was 729 - which is near to perfect ? I contacted Transunion and they help me get all the documentation together and went back to MTN and resubmitted along with all the documentation requested. Again it was rejected ? My local MTN has been great but the minute you type my ID number into your system the credit score comes up and its not good. Why is there no one who can look at my documents and cannot get the same digits as I get when I contact Transunion - so much so that I have done this at all three of the credit bureaus and all show a good credit rating ? I don't understand why your system is telling you one thing but when I do it it shows something else -surely there is someone who makes a call to say okay lets get this sorted - a long time customer is having problems - what can we do to get this problem sorted ???? I am very surprised ! I really don't want to leave MTN so am now on a month to month but would like to get this problem sorted out asap ! Someone with a management position who can make decisions needs to get hold of me to sort this out ! I have comp**** and you are dragging your heels !