ClientExec is a very popular billing and support solution, that is used by a large number of hosting companies as well as their resellers. It is feature-rich and customizable, and it will enable you to launch and maintain your own reseller business without any difficulty. ClientExec will enable you to accept web payments through a number of payment processors or to offer domain name registrations and SSL certificates via various providers, to put prices for hosting plans and add-ons, to see detailed stats about your clients in addition to the services they've obtained, and monthly reports concerning how your company is doing. In addition, ClientExec contains an integrated ticket system, so you are able to provide support to all of your clients. Should you own an actual company, you can give different levels of accessibility to the management team, the support staff, the sales staff, etc., with pre-defined features they'll be able to access and to change.