Yes, we do offer installation services for all of our plugins. You can check the installation price of every plugin on the product page of our store.
Also, you need to provide the following details to initiate the installation :
Order ID (Purchase Receipt)
FTP host – URL or IP of the site (SSH details in case of Magento 2)
FTP Path of your Magento/Opencart installation like (/opt/bitnami/apps/magento/htdocs/)
In case you need any help, please send an email to firstname.lastname@example.org