Bad driving by Jewel Construction Pretoria

Today I had a very bad experience with one of the drivers from this company. At a traffic circle in Hazelwood road, Pretoria (residential area) the driver of one of Jewel Construction services trucks overtook on the left, literally going around the wrong side of the circle almost causing a collision in the traffic circle. Shortly thereafter he stopped at a house (their offices). I decided to stop to get a number to complain about the driving. As I stopped the two of the men that were in the truck approached me very arrogantly as if to intimidate me, asking "Do you have a problem". I replied that yes, he was driving recklessly and I was going to report him. I dialled the number on the wall and the call was answered by Gail Louw who explained that the driver did not work her but for her husband (who operates from the same premises) and that I should not hold her company responsible for the bad driving. As I was leaving Gail decided to come out. I got out of the car to speak to her and again explained what had happened. To her credit Gail did try to remain calm even though by now I was very upset by the arrogance and nonchalance of the driver, who at this point seemed to believe it was my fault for driving too slow. I decided to leave at this point as things were getting heated and the driver was making more ridiculous comments from the side. When I got home I decided to call Gail, again partly because I felt sorry that she had to deal with the situation. The phone was answered by her husband Waynand. Although partly apologetic, Waynand's opinion was that it is his drivers word against mine. I then asked for his company name being upfront that I was going to post a review on social media about his company's bad driving and endangering other motorists. He initially did not want to give me the name but eventually conceded saying that I am blowing things out of proportion. Waynand, it only seems that way until someone gets hurt and your company is liable. Please take this feedback on board and ensure that your drivers do not endanger other motorists or try to intimidate them. When I spoke to Waynand he actually said that his driver said I was driving 10km per hour and was on my cellphone. These are lies. This isn't a case of his word against mine, my phone records will show that I was not on my phone and my tracker will show that I was driving a reasonable speed in a residential area. Maybe 40km/ph. Not that the speed I was driving has any impact here. Even if I was driving at 10km/h drivers (especially of heavier larger vehicles) should not break the rules of the road and endanger other people.