Greetings,
As per your requirements dedicated resource with hands on experience in PHP and making CMS before will be provided.
our developers can work on Your project without delay. We have years of working on projects related on any available CMS, from "scratch" with core php and php-frameworks(Yii/Yii2, Laravel, CodeIgniter), JavaScript, jQuery, AJAX, HTML5, CSS3, Bootstrap, javascript-frameworks, 3d design, graphic design etc.
Let's chat so I can give you our final budget with time frame and know more about your requirements. Looking forward to hear from you soon.
Regards
FA