Web Development project PHP/Mysql

Greetings, Only well established and experienced software/development and design agencies can bid. This is an ongoing project that requires extensive communication and contineous support from the developer side. I expect 24/7 support from the agency. I expect professionality, commitment and fast delivery of the initial prototype. This is a custom design for an entirely online business. the front end functionalities are simple and streight forward. Nevertheless the back end and CMS part is extensive and requires a lot of descussion, brainstorming, algorithim development and extinsive programming... The developer should carefully listen to our requirements, functionalities, design concepts, needs and develop the algorithims and convert to code. The developer should be well experienced in graphic/logo design and must listen and understand our requirements and provide multible design proposals. I expect the developer to provide the following and more: 1) website development from scratch with php/mysql. 2) website design, logo design according to our concepts. 3) admin side design and modification 4) website contents 5) integration of payment facilities, credit card, paybal, western union..etc 6) admin side extensive functionalities 7) Online marketting and promotion 8) Advise us on issues like hosting, security, marketting...etc 9) long term and ongoing support uppon request. We invite only capable, talented, established, experienced and communicative agencies to bid. Farther information will be provided after review of bidder qualifications... Best of luck to all Regards.