Multivendor Magento Ecommerce

We want to develop a multivendor website on our domain We want our developer to do following stuff 1. Install on our domain Magento Community Multi Vendor Latest version 2. Suggest a theme ( responsive ) best theme for our core purpose . We can buy the theme ( the price of the theme is not included in the job) 3. develop a function like BOOKING website, where vendors have registered under different categories and add their SERVICES ( PLEASE NOTE : no product but categories) like ( handyman services) . The user chooses the services and the date he needs the services, and a list of vendor ( providing that handyman services) gets displayed with their rates and reviews and location 4. an display may showing different category of handyman and their location ( near the location of user)