Integration of eBay, Amazon, Play & Webstores Stock, Orders, Messaging etc

Hi All, I am looking for someone to design me a web application which will integrate eBay, Amazon, Play, Pixmania and Webstores Inventory, orders, messaging, feedback, Returns etc Basically like ChannelGrabber/StoreFeeder Check out [login to view URL] / [login to view URL] before you quote to see what we want - only ours HAS to be better All Design work is also included in price. We first of all want customer admins which you can do all the things currently within amazon, ebay and all the webstores: We also want a master admin (which we will use) which has: CRM Diary Payments Tickets raised by clients Contracts Ability to restrict what our customers can do e.g. only have 1000 products, 3000 listings, 2 integrated accounts etc A Website: People can order this software - put in their credit card details and each month £x is taken from it automatically using worldpay Information set within master admin Links to: Ebay (all sites inc motors) Amazon (all sites) Play(all Play sites) PixMania(all Pixmania stores) Business Catalyst Volusion Shopify EasyWebstore FreeWebstore EkmPowershop Amazon Webstore BigCommerce Zencart OsCommerce Interspire x-cart Virtuemart CubeCart OpenCart Prestashop Magento aspdotnetstorefront powa facebook 3dcart Ubercart Custom Ecommerce Stores Other Modules to Integrate with: Royal Mail(All royal mail services) Interlink Express(All Services) TNT ParcelForce UPS DPD MetaPack DHL FedEx UKMail Yodel CityLink Express Parcels EParcel KashFlow FreshBooks ClearBooks QuickBooks Access Also Do: -Link multiple listings to one product -Sell items individually, as part of multi-packs or promo basket orders -All orders from all sales channels brought into one location -Generate invoices, carrier labels & packing/picking lists -Forward order directly onto a dropshipper -Auto update stock levels on all platforms (when deliveries arrived & sales go through) -Tells you when to order from suppliers, how many and when, keeping info on individual product lead times & economic order quantities required -Shares info directly with sales channels -Supports multiple locations for any stock and is able to supply item weight and dimensions for shipping & packaging -Look at the history of a product & ordering patterns -Booking in and receipt of stock allowing returns to be handled -Notifies you when stock is low and automates production of purchase orders -Drag & drop invoice creator -Import products from channelgrabber/store feeder -Searches for cheapest possible way for item to be sent, by dimensions & weight -Passes data to currier e.g. next day deliver or other services inc any special delivery instructions -provides customer with all tracking & delivery data to keep them up to date with order progress -Print shipping labels, embed shipping labels on the invoice, packing note or go for a bespoke solution -Automatically mark orders as shipped -Sends automated customer email notifications with PDF invoices attached -Sends tracking data and shipping details to the channel -Automates process on returns & exchanges -Auto replys to emails in between certain days / hours e.g. the weekend etc -Reply to emails in one place -Mark them as no response required -Create an email to contact them -View inbox & sent messages -Calculate Comission on sales by employees -Barcode creator for products made by you -Barcode on invoice to scan to see order -Packer/picker initial boxes -Custom made for our own website We will also be looking for someone in the future to build an apple/android app + a Sales program We will be looking for someone to also quote us for integrating it into these webstores for us & integrating it for people with custom made stores We will also be looking for a quote of an hourly rate etc