Magento Ecommerce website required

Number of products: 300+ Required functionality: • Publish articles on Website. • Both private customers and corporate customers in the same solution • Display products / articles that have or may have a relation to the main product (Product Suggestions) • Show Alternate products to the main product. • Filter products on optional criteria. • Different delivery options • Share articles and products on social media • Enter discount code in cart. Defined in discount module • Multiple contact forms and link this to optional pages • Show user that the product is a new product in the online store • Show user that the product is on offer in the online store • Extract order history and display in online store • Different tabs with content on the product page • Variants on products with own item number and own prices • Fast ordering without having to go into the product itself • Use the solution as a sales tool for sellers • Have products for resale in cart • Customized analysis of how customers are trading • End users to apply for products and articles on given parameters • Import excel into e-commerce solution (products etc.) • Create custom shopping lists for quick and easy reuse • Enter item number and add to cart • Purchase gift certificates as a product with residual opportunities • Different admin accounts with limited access. • Once the web will be developed, we will make sure that when we transfer the web so it doesn't lose the traffic or major SEO rankings • Sales report, historical report of of months years. Write answer of 4+99 in bids • SEO optimized, Secure and HTTPs Database and all the security of web and payments Third party payment and ERP API integration required as well. Please reply with estimated cost and time