Driven Perfection is great! It's in Weymouth, and the owner, Alex, will take care of you. I am not sure if they use zymol or Swissvax, but definitely check with them and tell them Mahmood sent you. Congrats on your new car!
Here's their website:
Also, to buy the products, check out http://www.detailersdomain.com
. Ask for phil!