MWEB Fibre customer service - non existent

I have signed up as a new customer of Mweb on 19-04-2021, I am still awaiting for installation to be completed and every time I call I get pushed around to other Departments with no solution or even any idea as to when I can expect installation to take place. If anyone can kindly assist regarding a way to escalate this matter to a senior manager, I would be greatly appreciative.