In this support article you can find the steps to add a consortium to a results notice
Note: To add a consortium, the suppliers with in the consortium must first be included as separate tenderers in the form. You can verify whether the parties are listed by navigating to the Organisation tab on the left side menu.
To add a consortium.
While in the Results form:
Click Tendering parties on the left-side menu.
Click + Add tendering party
Select the suppliers (at least 2) under the Tendering party members drop down
Select a Group leader
Click Tendering parties on the left side menu, after successfully filling the fields.
The filled-in information has been automatically saved. You should be able to see the Consortium added under the list of Tendering parties.