With this transaction you are able to see all objects related to Financial Accounting which are assigned to particular Company Code. It will give you nice overview of the what you did so far.
IMG Path: Financial Accounting (New) -> Financial Accounting Global Settings (New) ->Global Parameters for Company Code -> Enter Global Parameters
Table: T001, T004, T009, T004T, T009T, T880, T014, T014T
When you enter into the transaction, find you company code and double click on it.
From here you are able to maintain different parameters which have direct relationship with Company Code.