Hello,
We have great experience with Prestashop and we can make required changes on your existing website.
Our skills: CMS Prestashop, Wordpress, Opencart, Adobe Photoshop, Illustrator, Php, Yii, Laravel, HTML, CSS, Bootstrap, MySQL.
Please, send us a list of changes and a link to your website. We would like to discuss everything via chat!
With regards,
WebIn team.