Still popularity lead free engine including the fact that it appears a lot of holes identified for cyber attacks, and the ability to change the look of a WordPress severely limited. Big companies will not be for change of use of site design "skinning" (in other words, standard graphical representations for the standard placement of the elements of the CMS). Products such as Joomla, allow you to implement many different functions, but Historically, this class is free of control systems fairly inconvenient to use. Although the system and is positioned as something very simple, it remains true exactly to the point where you want to change the location of elements. If you would like to know more then you should visit Samsung. Joomla flexibility is limited by the range of the editing in the editor, otherwise, you must create additional code. And, of course, the sites on Joomla too significant problems with security, and normal indexing, so that you can seriously talk about creating sites on this platform. What remains? Remain a relatively obscure niche search engines, creating a website on which you agree assume all risks associated with product safety. Another, more appropriate way is to create sites for commercial CMS with direct support, such as UMI.CMS, such products are still better than "pure box" solutions.
Finally, the most correct option from our point of view, will use its own development on site management of software companies. Almost always, such developments are not made for direct commercial sales, and order, so they were most comfortable to use as a technician and the client. That's why choosing a decent company, you can always negotiate with its experts, what functions you need right now and what – will be needed in the future. Confidential nature of such systems allows for a very decent level of security, known in advance, hosting requirements, it is easy to provide for expansion of your site. And if you want such a system can be equipped with the very function of "zest" that you never gave a standard CMS.