Professional Web design firms boast the latest skills in coding and scripting in order to launch functional and attractive domains on the Internet. The Top Web App Development Company is an entity that employs skilled experts in HTML, CSS, PHP, SQL, MySQL, Javascript and many other types of programming languages that define the core of great websites. Additionally, applications for the Web are developed with the help of other standards such as XML and Ajax. Companies that make applications for mobile and desktop platforms typically provide free updates on popular marketplaces such as Google Play or the Apple iTunes Store. The companies below have been reviewed based on a wide range of qualitative and quantitative statistics. In some cases, variable listing fees effect position on this list; however only highly-regarded firms are accepted through our review analysis. Learn more about our ranking process here.