Build a Magento Online Store - Need it highly customized and automated

We're looking for an online store based on Magento. Some of the things we need done: 1) Very high quality graphic work (need a professional graphic designer working on this) 2) Need integration (Magento Plugin) work done for automation. This includes but not limited to: QuickBooks Online Plugin Integration, ERP Integration, Shipping integration, RMA integration, Product listing integration, CRM and customer service plugin integration. 3) Need the website to be completely optimized for SEO, AdWord and other online marketing strategies (Need to have a SEO/Online Marketing professional working on this). We will need to draw in as much web traffic as possible to turn leads/visitors into sales 4) Payment gateway integration and maximum security for website 5) Comprehensive blog to draw in web traffic 6) MailChimp integration for Newsletters 7) Online Chatting 8) Backend demographic/stats for website 9) Website optimized for mobile and tablets 10) Website needs to be USER TESTED (eg. [login to view URL]) before going into production We're only interested in larger companies with expert staff that can be dedicated to the different parts of this project (eg. graphics, online store, integrations, SEO, ec..) Ideally interested in North American and European companies.