Spiegel Design Group (SDG) is a full-service website design firm based in Los Angeles, California. Although interactive and responsive website designs are what SDG does best, the firm also designs mobile apps that bring ROI to clients as well as e-commerce integration that facilities speedy checkouts. Creating more sales and page hits drives much of the website design efforts at Spiegel Design Group. Because all new websites that leave Spiegel Design Group are created with the open-source platform HTML5, websites are highly customizable and responsive across mobile devices. The designers at Spiegel Design Group are also proud of the fact that they don't outsource their coding to foreign firms: everything is handled on an in-house basis at Spiegel Design Group. From mobile apps and e-commerce integration, Spiegel Design Group puts the latest UX designs at a client's fingertips. Prudential and Renaissance Hotels have already used Spiegel Design Group to increase online visibility.