Take a look at collection of 30+ Best responsive premium Business and Corporate WordPress Themes in 2015.
Startup is Premium Responsive WordPress Theme for Business and Portfolio Websites.
Running a startup? With this theme help, you will create a sophisticated, the same as, clean project which will leave your visitors breathless… Use this easily adjustable business theme in order to be successful in your branch and stand out from the competitors! Create your online image by using the theme’s modern design.
Startup is based on a powerful GavernWP Framework which is very easy in use, so you do not have to put much effort in teaching your customers how to use it. Also, thanks to WPML support, creating and running a multilingual sites is easier as never before!