Volkswagen review: complaint about negligence

I would like to place a complaint about vw ntt wast london. My car was sent by tow truck to them on the 15/01/2020 and till today I haven't received any information about my car from them. I've tried to call them several times but in, my services provider Kevin which I was only told about after many attempts of calling is unavailable everytime when I call. I don't know what is happening with my car and at the moment and struggling as I have no car .
Please help my contacts are [protected] and my email is [protected]@gmail.com