http://masticglobal.co.uk/ is a totally scammer mastic man. I was asked to do linkbuilding for his website focusing on keyword "mastic man". Unfortunately this guy canceled his order from my paypal account sneakily after I delivered him my work, 7 days of working for his website. He know the trick well that Paypal must ask me to show the third party receipt of product delivery and I can't surely show the required stuff for the digital products because as normal I just delivered him via e-mail.
I tried to contact him on his website, calling him using the phone on his website 020 3605 2727 and cell phone 07506 297 280 he just blocked me. Then found there is even no a street address on his website. I knew I was totally defrauded by this guy for 7 days of works for $1000, the Mastic Man London.