MWEB .... one star too much

Have been without a fibre connection for week and sent an in orinate time trying to communicate with their tech people who have tried their best. The problem appears to be THEIR service provider Vuvatel and on only MWEB sales team can communicate with Vuvatel. This is now becoming more than ridiculous. In addition it seems to be impossible to make contact with any of Mweb's so called management team. It will help if someone could give my a telephone number to contact someone senior at mweb.