ClientExec is a popular billing and support solution, that's used by numerous hosting companies and their resellers. It's feature-rich and customizable, so it will help you create and manage your own reseller company without any difficulty. ClientExec will allow you to accept online payments through multiple payment processors or to offer domain name registrations and SSL certificates through different service providers, to put prices for web hosting plans and add-ons, to see in-depth statistics about the clients in addition to the services they have purchased, as well as monthly reports on how your business is doing. In addition, ClientExec contains an integrated ticket system, which means that you are able to provide support to all of your customers. If you run an actual company, you'll be able to give different levels of accessibility to your management team, the support staff, your sales personnel, etc., with different features they will be able to access and to modify.