Design and clean up existing massive-dynamics wordpress site

A web project that is half-finished needs to be completed. It is vital you have good design skills (and experience), and understand how to build sites with Massive Dynamics word press plugin. The current half-finished site is [login to view URL] You may need to touch-up graphics, use appropriate iconography. Any part can be changed in order to ensure there is a clean/crisp/well-designed look and feel. It needs to work well on desktop/mobile devices. The approach should be to produce some mock-up designs for the home-page, and sub-pages which align to our brand, then design the site around these concepts. For the selection process I would like to review existing design work and can a sense of your thoughts for our site. This website is for an IT company in London, IT is a very competitive market with many good websites, so its important the design work is excellent and the site stands out amongst the competition. There is a specification document for the site. But the majority of the structure is current visible.