If you are a user with system administrator permissions (or a cargo company), please see the below steps on how to modify a Business Group.
1. Navigate to the catalogue drop-down menu and select "Regions"
2. Search for the "Business Group" you would like to update
3. Click on the Region the Business Group belongs to
4. Select the required Business Group from the list and click the wrench icon
5. Update the required fields and click Save 