Well whether or not they want to meet customers, a genuine company would always cite their address without hesitation.
These scam companies are known to use morgan stanley as a means of payment. They never use high street banks such as natwest, HSBC, Barclays, Lloyds etc. You may ask why ?? The simple answer is they cannot lie to the banks about their whereabouts cos the banks perform very stringent checks
After typing into google "essay writing service" i find the following companies which look genuine -
uk essays
university work
All of the above have a local phone number, british bank account and are registered with the companies house which means they have to pay tax to the HRMC.
In terms of quality of work i have no idea, but as far as authenticity goes they look the real deal.