Enterprise Structure Setup

Summary:

We have rolled out the setup for CX sales and in progress of configuring the products for CX service. Service module require Products setup, this process expects the prerequisites such as definition of Location, UOM, Master Organization and define the Products.
Before progressing further, we started reviewing on if any mandatory setup that we are missing before setting above above entities for CX Service. Current Enterprise structure attached is in place for CX Sales.
Current setup include Enterprise>LE>BU, we do not have any Finance or SCM in place at this stage.
Before progressing further, we are looking to see if the current setup is scalable at various levels. For e.g, Divisions are not set now in the hierarchy, can we include this later or it has to be done now.