Hello,
Yes, we can help you to fix your existing site issues.
Kindly share your existing site URL & requirements in detail 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 Angular, React, Node js, WordPress, PHP, Laravel, CodeIgniter, CakePHP, MySQL, Ajax, HTML5, CSS3, Bootstrap, jQuery, JavaScript, etc...
Let's discuss more details...
Regards
Sukanta