ClientExec is a great billing and support application, that's made to facilitate the control over small and mid-sized hosting companies. It is the link between the front- and the back-end and it allows for a client to get a web hosting plan on the web then to have their account activated. ClientExec will make it super easy for you to generate invoices, to put prices for web hosting plans as well as domains or to watch performance statistics. Any time you use the app, you'll be able to add a payment processor, a domain name registrar or an SSL service provider in several simple actions. ClientExec also has an integrated ticketing system, that will allow you to provide support to your customers. If you decide to start your own reseller website hosting business and other people to help you in this venture, you can provide them with individual levels of access and each level will be able to access different sections and options in ClientExec.