Customizable site with IM and video chat and bookkeeping

Need site made to allow professionals to brand their site and to hold sessions with their customers via email, IM and Video chat and charge clients back for time used. The system should have the following features - Abilty to brand site with their name and colors either on the master site or tie into their own personal domain name - simple 1-2-3 step page on how to start the steup - easy user interface is critical - IM chat with history and time keeping - email messaging with history kept in the system - ability to do tie into video chat provider with time keeping - online Assesmnet test redirect to a third party assessment test site by filling out a form there. - Ability to charge credit cards (preferably paypal's free payment system) Please send examples of similar projects you've done