1. On the top menu bar, click on the building icon and select Users
2. Click Add User button 
3. In the dialog box, enter the user details and select the appropriate system user role for the user
4. Click Add to add user to the system
5. On the top menu bar, click on the building icon and select Business Entity
6. Click on Manage Settings > Entity Users
7. In the dialog box, select the user(s) you have added in step 4 and indicate their entity user role e.g. Entity user
8. Click Add to add user to the business entity