Professionally Design and Develop New Voucher style website

We are looking for a website developer to design a new logo and create a new voucher style website with similar workings to groupon.co.uk and wowcher.co.uk. Immediate start offered to chosen developer.
In simple terms, the website needs the facilities to
- Register new members and retain such information
- Create Unique new vouchers
- take payment for vouchers via paypal, notify all parties
- allow regular alterations to new deals
- Provide marketing information
Similar urls: www.groupon.co.uk www.wowcher.co.uk
Extra notes: Please see attached document. Any proposals need to include url's of websites you have created and can prove as such.
Budget Flexible for the right developer
UK developer only