I stayed connected with this site for around 3 years. After a few payments, they stopped paying at all, kept assigning work, and continued apologizing for delays. After holding my money to make a lump sum, they entirely stopped responding. They simply vanished taking away my earning. I sent lots of emails to their address, still no response. The site is still alive, so everyone reading this review, make sure not to fall prey to these scammers named 'Headway Writers'.
P.S. They are also operating with the other academic writing site 'Brilliant Writings'.