I need help with a multivendor app into a Shopify store

We are looking for someone who can assist us in installing a multivendor marketplace app on a Shopify website.

The marketplace will need to have two functions available for our sellers
For sellers to be able to offer services
Our sellers to be able to sell products
We also need the following task:
- Installing and setting up the multivendor marketplace app through Shopify
- Install a service application via the Shopify app store that will enable us to provide services on the marketplace.
- Adding six vendors ( with descriptions and pictures of the products) to the marketplace so we can see everything is working properly
- Add functionality of finding vendors according to location
- To make an initial upload of content, including images on the marketplace and communicate with us how this is done.
-Ensure that all functions are working correctly and that all of the fonts and themes used are consistent.
- Ensure the marketplace and website is ready to be operating.
-Support in setting up google analytics
- Ensure that all functionality are working properly and when a customer write to us through the store we received the message.