Shop.co is a U.S.-based company that offers a universal shopping cart browser extension that allows users to keep all their items from various online stores in one place, register for stores instantly, and checkout with one click. The application uses AI to scan products in online shops and enables users to order products from any online shopping portal without prior registrations or repeated payment data entries. Shop.co secures user data with encryption methods and two-step verifications, making it a safe and easy-to-use platform for online shopping.