ClientExec is a very popular billing and support solution, which is used by a large number of web hosting companies and their resellers. It's feature-rich and customizable, which means that it will enable you to launch and take care of your own reseller business without any difficulty. ClientExec will allow you to accept web-based payments by using multiple payment processors or to offer domain name registrations and SSL certificates through different suppliers, to set prices for website hosting plans and add-ons, to see detailed stats about your clients in addition to the services they have obtained, as well as monthly reports about how your business is doing. Also, ClientExec comes with an integrated ticket system, so you're able to provide support to all of your customers. If you operate an actual company, you'll be able to give different levels of access to the management crew, your customer support team, your sales personnel, etcetera, with pre-defined features they will be able to access and to update.