Collaboration with 123 users from other companies

If you work with other companies that use 123, you do not have the option of sharing projects with each other. Neither in 123quality, nor in 123captured. You would then have to create the people working on the project as users again. However, this has the disadvantage that the user then works in different clients and may have to log out of the app again and again and log in again under a new name.