WooCommerce website with Webkul Marketplace plugin managment

Looking for an individual/s or firm to manage our WooCommerce website with Webkul plug in marketplace.
Includes
-On-boarding brands, loading their products and images.
-Updating plugins and features on the site/s.
-Assigning tickets
-Day to day site checks and updates.
-Helping answer technical support questions from vendors and customers.
-Building and compiling and managing seller training files.
-Modifying site theme to fit resellers requirement

Please note, we are not looking for a new website. The website is up and running but needs to be completed and managed effectively.

Thanks