Still slow for me. OS X 10.9.5 and FF 40.0.3
Some random observations
I do know that our use of English does vary but this sounds a bit odd. At the bottom of the landing page.
I'd think about something like
When you mention specific towns you might think about adding "and surrounding localities" or something similar.
http://www.northwestpcdoctors.co.uk/laptop-repairs-st-helens/windows-errors-repaired/ - Many Many machines.....
Maybe break up some of those paragraphs with bulleted lists.
I know it's sounding picky but you have an MBP with a BSD.
http://www.northwestpcdoctors.co.uk/tablet-repairs-st-helens/ - Apple iPad Repairs above the Samsung Tablet
You have prices listed in the console repair section. But do not seem to have much in the way of pricing listed in other areas. I think many EU like to see some type of price list for everything.