Web development -- 2

I need a new website. I need you to design and build a website for my small business. The requirements are as follows: 1. Design and build a sleek and secure website for an E-marketing Consulting startup 2. Website should be optimized for search engines 3. Optimised for the PC/mobile/Tablet viewing 4. Deadline from getting requirements is one week and payment to be done in full on final delivery 5. Looking for a partner for future projects as already have a few clients to start E-marketing projects for