Liferay Projects: Product listing

I need a expert company in Liferay to implement a market place that has been designed in PSD. The market place includes a product listing, the searching, shopping cart and registration. Bonus will be given to company that can implement in Liferay. The market place needs to be adapted to multiple users. User is able to post their products as company only, means that user is required to be belonging to company The control panel allows user to post products and check the order request. Products information includes images, name, description and etc. More details will be supplied to interested partners.