Hello engemadsalama91,
Yes, we can help you to modify your existing website.
Kindly share your requirements in details so that I can get a clear idea of the total scope of the job.
We have very good experience in website designing and development using WordPress, PHP, CodeIgniter, CakePHP, Laravel, MySQL, Ajax, HTML5, CSS3, Bootstrap, jQuery, JavaScript etc...
Let's discuss more details...
Regards
Esha