The page took a long time to load. Most wordpress sites do. You lose 50% of your visitors if the main elements haven't loaded in 10 seconds (yours didn't).
The site validates which is good, but still the accessibility for people with screenreaders isn't great. I wouldn't worry too much about accessibility in your case.
I didn't immediately grasp that your "bag" was media conversion. Italics are not a good way to get things across (neither are capitals). Bold colours and large text will help with getting "the message" across. The nature of your images made me think that your website was some kind of recording thing.
As an example, your name is 3 or so times larger than what you do. Is that important? Is the fact your Richard King 3 times more important than what it is you do (to your customer)? "RK (in black) Media Conversion" might have been a better title than Richard King Media.
Your other stream of work, the live sound services starts with "I’m a former studio/live sound engineer ".
Right...well I want someone that is up to date and current *close window*.
Fella, I dont mean to pick apart your website to be bitchy... you just wanted my comments and this is my job (website stuff/user experience etc) so I thought I'd give free advice as I was feeling kind
You appear to have a good "product" but I dont feel you're consistently selling it well. If you want some more info feel free to give me a shout.