editorandwritingcoach.comEditorAndWritingCoach.com
One page websites are certainly not for all clients but many sites could be condensed. There are quite a few new one page themes with so much bling that attention to the content suffers.
Responsive? Yes, WordPress with TwentyTwelve Theme.
Client since: April 2013
Referred by: Mutual friend and our Facebook connection
Simple. Elegant. Yet does not feel too minimalistic.