I have reviewed the document and screens attached. From your Job Description, I can comprehend that your Magento eCommerce website will possess features as follows:
#Customer registration - sign up / sign in / forget password
#Search - keyword filters / price filters / category filters
#Product entries - Add Product descriptions with images / edit, alter and delete
#Shopping Cart - Quantity update / remove product / checkout
#Payment Gateway(s) - To process Credit Cards / Debit Cards / PayPal and others
#Static pages - Privacy Policy / Terms / About / Contact / Sitemap etc.
All the bespoke functionalities that you have mentioned in the document are all feasible and we can provide the same. Well, Magento comes with all of the mentioned features, which we need to tweak to meet your requirements with regard to appearance of the website, marketing strategies (SEO), Special Features as promotional codes, SMS feature etc. to make it a successful eCommerce website.
I assure you that we will carefully build a visually stimulating and stunningly fluid website, which will be responsive (mobile friendly) at every pixel. We are a 15 year old web development company based in Largo, Maryland, USA and we do possess a dedicated team of 127 in-house developers and designers, who have sound expertise in CSS, HTML5, JQuery and other related technologies.
We are ready to initiate work immediately.
Hoping to hear from you soon.