Rambo is a free corporate wordpress theme that would be great to showcase a corporate organization in simplistic way. Rambo has two beautifully designed page templates – one is Home and another is Blog Page. This wp template has been released at wordpress.org in February 12, 2014 by webriti.
Quality is another theme for corporates from webriti. This Quality free corporate wordpress template offers 4 to 5 level comment nesting, RTL translation ready, Custom logo, Beautifully designed blog page and nice mobile first layout.
Bizmo is a flat design style wordpress theme with a focus on a more corporate style business layout. Bizmo Includes custom colors with other features for the Theme Customizer and a language file to make the translation job easy.
Corpo is a nice responsive business and portfolio theme from alex27 which can be used for mainly personal or corporate websites. Corpo features slider on the home page, two menu locations, five custom widgets and theme options to easily manage your website’s look from the admin panel.
Isis is a Great, Responsive and neat Retina Ready WordPress Theme which adapts easily to your tablets and other mobile devices. This simple corporate wordpress theme comes with two home page layouts (both are nice) along with tons of other basic and advanced features. Isis is a good choice for any types of site like corporate,business, portfolio , blog etc. From stylish menus to slick looking footer, isis free wp template makes it a great option for new wordpress projects.
Another great free corporate theme for wordpress is SKT Full Width. SKT Full Width is from SKTThemes, great for your corporate blog publishing. SKT wordpress template looks great in any screen size. You can customize Home page with customizable slider backgrounds with text (optional).