Develop a Renting Site for create a new script

We are a French company that develops scripts. We are in selling scripts business from 2002. Look on www.guruscript.com. We are one of the leader in the scripts business market expecially in France and Germany. We are looking for a provider who can provide us a similar [login to view URL] site to being added in or product list of scripts and selled to our guruscript's customers We want to have a site like that for sell it as a script in our product list. The provider who can sell us this kind of script ll be granted to become the exclusive installator and customizator of this script for our future customers. Our maximum budgt is 250$