Website Design - Total of 20 pages

I am looking for a professional web designer who will be able to build looking website. The website to be build is for a software company that does IT services. The total number of the pages to be built are 20. Once the bid is accepted, you will provide me with some prototypes. I would choose the best one among them. You will also suggest of the best features to be added so that I can increase conversions. Once the prototype is approved, the final deliverable is the source code for the prototype. Please note that if you are excellent designer who can create PSD file , but can't convert it to HTML Code. Please let me know when you bid so that I will open a separate project for you. The following languages are permitted: Java Script, HTML, CSS, DHTML, AJAX, PHP Also, please note that at every point you will have to make changes if I think there need to be modifications made. So you should be open ended to accommodate my requests for changes. You should be available on Skype or any IM so that I can provide the feedback and can discuss the changes. Also, please provide me samples of your previous work.