ClientExec is a popular billing and support solution, that's used by a lot of web hosting companies as well as their resellers. It is feature-rich and easy to customize, so it will allow you to launch and take care of your own reseller business without any problem. ClientExec will allow you to accept online payments via multiple payment processors or to offer domain registrations and SSL certificates through separate suppliers, to set prices for hosting plans and add-ons, to see detailed stats about your customers in addition to the services they have obtained, and monthly reports on how your company is doing. Also, ClientExec features an integrated ticket system, so you're able to provide support to all of your clients. When you own an actual company, you're able to give different degrees of access to the management crew, your customer support crew, the sales personnel, etc., with different options they'll be able to access and to modify.