Company Codes 
Note
The following information is relevant only if you integrate SAP Sourcing with SAP ERP. For more information, see Integration of SAP Sourcing and SAP ERP.
A company code is the smallest organizational unit in SAP ERP for which a complete self-contained set of accounts can be drawn up for purposes of external reporting. This includes recording all relevant transactions and generating all supporting documents that are required for financial statements.
Integration
Typically, company codes are imported from SAP ERP to SAP Sourcing. For information about extracting company codes from SAP ERP and importing them to SAP Sourcing, see the configuration guide for the integration of SAP ERP and SAP Sourcing on SAP Service Marketplace at http://service.sap.com/instguides 
SAP Business Suite Applications 
SAP Sourcing 
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You can also create and edit company codes in SAP Sourcing manually, as described below.
Creating a Company Code in SAP Sourcing
The company code must exist in SAP ERP before you create it in SAP Sourcing.
Log on to SAP Sourcing as a user with system administration rights.
Choose Setup.
On the Master Data tab, find the Organization and Accounting Information section and click Company Codes.
Choose New.
Enter the required information as shown in the following table.
Field
Value
ID
Enter a unique ID that identifies the company code in SAP Sourcing.
Name
Choose the desired language from the dropdown and enter a name and description in that language.
Description
Business System
Choose the SAP ERP system from the value help. For more information, see Business Systems.
External Company Code
Enter the unique ID that identifies the company code in SAP ERP.