ClientExec is a well-known billing and support solution, that is used by a number of hosting companies as well as their resellers. It is feature-rich and customizable, therefore it will enable you to launch and maintain your own reseller business without difficulty. ClientExec will enable you to accept web-based payments through various payment processors or to offer domain registrations and SSL certificates via different service providers, to set prices for hosting packages and add-ons, to view detailed statistics about your customers in addition to the services they've obtained, and monthly reports about how your business is doing. What's more, ClientExec contains an integrated ticket system, so you can provide support to all your clients. If you run an actual company, you'll be able to give different levels of accessibility to your management team, your technical support staff, the sales team, etc., with different features they'll be able to access and to customize.