Appalling service from a dealership that’s desperately in need of change

Poor service from top to bottom. I did a major service on a vehicle in my fleet and it amounted 28k. The vehicle was with their service department for 10days and still my faults that I reported and requested to be checked and attended to was not sorted or solved as one would expect after having paid that type of money. I have purchased 3 vehicles from that dealership within the last 10years. Collectively our fleet comprises of 10 VW vehicles all ranging from top of the range Touregs down to an ordinary caddy panel van. I have great ongoing relationships with all the dealerships I’ve purchased from bar Claremont VW and that’s purely because of their service. All the salespeople and senior staff that I dealt with and who were previously with the dealership have moved on to greener pastures simply because they felt they were poorly treated by Ownership who are Claremont holdings. I went against my better judgment for the sake of convenience and decided to service the vehicle with them and have been sorely let down and left unsatisfied as a customer. On the morning of Monday 02/02/20 I was told by the service clerk that my vehicle is done and in the wash bay and would be ready for collection that afternoon. I then requested she send me the invoice so that I could arrange money to obviously pay for the work done. She emailed it to me and I had rep**** almost immediately to let her know I would be in between 4-5pm with the money. The clerk called me back at just after 4pm (after banks were closed) to tell me they can’t accept my cash and I must make some other arrangement. I then informed her that I have already made lift arrangements and the money is in my possession and that I do not have a vehicle to get home and most importantly that she only contacts me at that hour when banks have closed. She then said there’s nothing she can do and that she will talk to her manager and get back to me which she didn’t at all. I tried her almost an entire hour later to which I had no response after leaving a message. The only response I received was an email the next morning telling me that I can have my vehicle once proof of payment was received. Today 04/04/20 I called to ask a question regarding my vehicle. After no response again I’ve left a message and still have not received a response and am not expecting one either. The staff of this company obviously have no etiquette of treating the clients because they aren’t treated well enough by senior management or ownership. I have raised this with the manager of customer service of VW SA and will be escalated soon and hopefully make good strides to eradicate this type of service from a brand that we really don’t expect such service from. I am also doing this on behalf of the large percentage of people that just keep quiet and accept this type of service and at the same time allowing a huge sum of their hard earned money to be taken from them in this unacceptable manner.