I had Gconverter switch my massive site from CMS made simple to WordPress. No easy task but they did it. There were a few bugs and kinks to work out once the conversion was complete but they were very quick to fix the issues and get me up and running. My site looks identical to what it was before which is exactly what I wanted. I was impressed and would totally recommend them. The conversion did take over a month to complete which is why I gave them 4 stars for total experience.