Hello danlangton78,
Wish you a very happy new year :)
Yes, we can help you to redesign your existing site.
Kindly share your existing site URL & requirements in details so that I can get a clear idea about 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
Sukant