Build a complex Web directory for compare local service providers

I'm interested in web directory designed for comparing local service providers ****************************************************************************** Note - is complex site , only if you have at least 5 years of expirience you can deal with the features that i need Only for team, not individuals! ******************************************************************************** language :PHP with FRAMEWORK, maybe it will be wp , we need discuss How It Works? ============ The user sees the home page form, searching by category or keyword, the location is automatic detect by Google locations and he see"CURRENT LOCATION" , after pressing on SEARCH button, the user can see all the listings of businesses located within 25 km radius of his location, and can sort them by price, distance or by rating My requirements: **You should to present similar sites built by you and including elements of sorting and Google APIS, the sites should be done from scratch and built with php ***Only team, not individuals! **Rich experience in building very complex sites (if you're a new programmer is not for you!) **Time delivery is holy thing --------------------------------------------- Website: ======= SCALABILITY - ready to receive tens of millions of listings and millions of visitors and users simultaneously, powerful and strong structure of the code and the data base Search engine friendly Very fast - loading time of the home page and all the pages, should be very fast FULLY RESPONSIVE Adapted and looks great in all browsers payment terms: 3 Milestones (no any down payments)