SA Appliance Repairs (pty) Ltd Scan

I have an idea that "SA Appliance Repairs (Pty) Ltd" is a front. I dealt with a lady called MUSA ***) who sent out a black guy called Cliff on two occasions. The fridge and stove he repaired worked, I paid him cash and was sent an invoice pdf as receipt. This had a letterhead but no business registration number or contact details. The address 17 Station rd, Montague gardens shows Cliff's car on a pavement but nothing else. MUSA's number no longer exists. Another company by the same name, claims no knowledge of any of this. They answer the phone but string you along but same story, also can't find them on Google Maps. I would avoid doing business with any of these people.