Build a End to end Wellness Website

Hi I'm starting my company which is based on wellness for individuals (now) and after 6 months extend it to companies. We need a nice launch page which has all details about total wellness and packages showcased. We need the customers to pick and choose packages or register with us and share details for a custom package. So essentially you would create login pages for the customers using fb and google and extract more details about them. They need to be diverted to the payments page for making payments through CCAvenues. On their logging in they should be able to see their info, chat window with our experts and these details need to be documented in their login for future reference. There needs to be progress charges created from their details and display progress and how much more to go to achieve the target. There should be dashboards which generate details of customers individually and as per custom filters for admin and get them daily and custom frequency. We will need more help later for our B2B version. Also this must website must be responsive and available on web and app. All this needs to be taken care by the agency we award this project. I would like to receive your quote with expertise details and timeline for this site creation.