Amazon Product Listing

We are dealing in Dry Fruits and Seeds. We need to get our product listed on Amazon. The process has been initiated and three of our product has already been listed, however need to get more details added and more products from the list is pending. The list has in total 16products with min 1 to max 4 varients.
We are looking for profession who can help with proper listing and also can build strategy for ranking and selling.