By default, all files you upload to DocHub are opened and added to your individual account, but you can also configure it to go directly to your organization for Google Drive imports and direct uploads.
Each organization has its own upload page which you can find by going to its homepage and click the New Document button. If you don't see your organization name in the upper left, just click your name and choose your organization from the drop-down menu:
Or, you can also go directly to the URL for your organization's upload page which is in this format: https://dochub.com/organization_username/new.
Or, on the upload page for your individual account, you can change the Owner drop-down menu to the organization before uploading:
Google Drive Imports
Moving your account documents to your organization
If you have documents already in your individual account and would like to move them to your organization or vice versa, see this article: Transfer documents between your account and organization.