O3 World is a company that designs digital products. They help conceptualize a design with the client, and then they implement it. They will also help a client fine tune an app or site after launch to make it as smooth and useful as it can be. They can design for the web and mobile devices. E-commerce sites and applications are two of the products that they can develop. Functional user interfaces and attractive graphics are something they offer clients as well. They have worked successfully with many companies. Some of their clients are Thomson Reuters, Comcast, Preit, Cause Engine and Five Below. They are based in Philadelphia.