Users with appropriate authority can invite other businesses join the project. A permission group will be assigned to the business which will determine the access level within the project.
To invite a business to a project, click on the SiteTeam navigation menu on the left side of the screen then go to the Businesses tab.
Click the button in the Project Information Panel on the right.
An invitation email will be sent to the business representative where they will be able to accept or reject the invitation to join the project.