Hi, Hope you are doing great!
I have gone through details and understand exact requirement that you want us to build the ecommerce website. I have extensive team of experience in CMS like Wordpress, Joomla and Drupal with woocommerce, opencart, prestashop, magento and others Shopify, bigcommerce.
I have a team of SEO who will help in marketing with on page and off page SEO to get your website real traffic and turn it into sales with the white method and guidelines of the search engine.
Regards,
Peter