Shopify Financial Reporter / Bookkeeper

We have about 1000 orders per month. Looking for a book keeper to constantly record cost and perform profit analysis on a monthly basis. The cost consist of 2 parts. Dropship - which we will be sharing excel with order number for vlookups. In-stock ships, which we can develop a standard cost. Besides recording, will also need the individual to check our bank statements ensuring receivable and debits are exactly as invoiced.