Affiliate system web application need

Hello, We need ready made affiliate system web site , we want to start our own affiliate company soon. so we need to buy script , OR you can suggest me to by it from some of the provider as SAAS service paying monthly. and you can setup this all for us. but we need these all feature must have. like good admin to control offer business categories wise and Geo target waise. also we need the report for the same above very accurate . also we need to have commissioned option like , impression wise, traffic wise, sales wise. and + we need Reward option for the affiliate user too to do give time to time if any affiliate user did well. we need it to manage user wise. please BID only if you have the experience about this... thanks!