B2B Trading platform website

I want a fully functional B2B trading platform creating with similar functions to well known sites such as [login to view URL] and tradekey, but the design of the site should not mirror any such existing sites with regards to their appearance. Requirements are as follows: 1) Complete template design 2) Including multiple directories for products, buying leads and shipping companies. 3) User friendly backend which requires no knowledge of coding to alter content etc. 4) The site must be bug free 5) The website should be accessible within the majority of web browsers 6) The homepage should attractive, eye-catching and easy to navigate. 7) Modules to display latest products and featured products 8) Each supplier should have their own profile space 9) We require an emailing system where users are able to sign-up to listing updates (when new listings are added to the directory or a particular category these are made known to the user) NOTE: -further information is available; project must be discussed closely with us as we have a good idea of what we want. - Project must be completed within a strict deadline -the amount of bidding is negotiable. -we are widely open to all sorts of suggestions from the provider. -the provider must be in constant contact with us to discuss the progress, exchange views, provide suggestions etc. -the agreed amount of bid will be escrowed and on completion of the task , will be finalized. Best Regards