Design a Website Mockup, and odd ongoing bits and pieces to a revolutionary web system

Hi All, Im a founder of a software company providing revolutionary software as a service to the childcare industry. Im a software Engineer and pretty handy with photoshop etc and weve created a revolutionary product but need to take the graphic design from B Grade up to A+ grade. Its a mixed bag of ongoing design work and we need that breathtaking graphic/web design that makes people go WOW.. please A+ Grade applications only. The cost of this project is variable as together we would decide what immediate work needs doing and then ongoing ad-hoc work too. When you apply, a portfolio of your previous/current work is a MUST. Final decision will be based on quality of your work. if you want to mock something up to stand out, our website is [login to view URL]