Bulk SMS site re-design with link to payment Gateway

We are seeking to develop/design an existing Bulk SMS web site. The site must be "unique" and should not be a copy of a previous job or from scripts created by others. Integration API to SMSC component ( details will be shared ) The website will need to be fully secured and protected against any hackers/attackers (meaning the codes/script must be well written) and must be easy to manage and maintain. Also need to be approved by various authorities Please examine the following criteria carefully [login to view URL] redesign with logo created for [login to view URL] 2. SEO 3. Payment Gateway integration to PayPal, Visa , MasterCard 4. Need to taken care all security factors 5. Add address book module 6. Option for uploading address book, Excel file, txt file and verify the format before storing to the site 7. Add scheduler module for sending sms 8. Creating customer/company profile 9. use cartoon look to design the site 10- user friendly with easy instruction to use sms service 11- demo for how to; send bulk sms, pay for service, create address book, create a group. 12. Facebook/Email/Twitter/etc connect and option to share with friends and others 13. Copy right, Contact us, About us, Press, Terms of Use/Sale, Privacy Policy 14. more option will be shared on the provider selected. Also need some modification in the existing site. For that please refer the attached document