Rental Advertising Site in ASP .NET or PHP

we require a world wide rental site using a simple link formular best review place is [login to view URL] our site will be a clone of the above site. A back end data base is required to hold all advertisers information and a secure payment system needs to be added onto the site. ASP and .NET or PHP are the langages that we wish to use for the SEO. The back office must have a general administration system for sendind reminders for payment news letters ect to our advertisers. The adveriser have ther own login system where they can update there avalibility calender. and manage there fotos etc. We currently can provide a powerpoint presentation of the site show exactly what is needed for the uk site. We also will provide all the data cities towns and maps that will need to be redrawn by a graphic person for the copy right all text will be provided on request this is around a 25 page website. The administration funcion must also be able to provide administrator the ability to add and change text. We are looking for a 5 week completion time on this project. uploaded is a technical speck for the site . but this will give you the ideas. the back end data base must be able to except uploads of data from excell as will also be used by a call center. Any providers bidding for this job must have provider references and example sites to demonstrate. please also explan the way that you work and relistic time scales for delivery. We have reposted this project due to being let down badly from one of the contractors we chose from this site causing a massive delay as the did not deliver anything. WE only want professional companies who can deliver as we wish a long term relationship and to out source our development needs for the project. Please not when looking at the [login to view URL] we want a clone of that site with only small details changed and graphics. We we will be hostings smaller shuttle site from the main site which all need to operate from the main data base. Please read the technical speack and make your comments add full examples of your work done payment terms and time scales. PLease note that due to the way the other company operated we will only be making a deposit payment once our technical director can see part of the site maping has been finished also the companies that bid must have a online system that we can view the work on a daily basis. thanks for your time