Either through reorganization or change in status, you want to move a user from one company to another.
· You must have global administrator rights to change the company the to which the user belongs.
A delegated user administrator cannot change the user company.
· The user must exist.
You cannot be working in one company context and add a user to a different company.
...
1. Start Identity Management.
2. In the search result list, select a user.
3. Choose Modify.
4. On the tab General Information, choose a new value for Company.
5. Choose Save.
The user now belongs to the new company.