The sky is the limit ☁ 

Within your RouteNote account, you can upload music using as many artist names as you wish.

RouteNote accounts are built to allow artists and labels to use a single account to upload their full catalogue or even catalogues under different aliases.

If you are uploading on behalf of multiple artists or running a label, you must ensure that you have the full permission from each artist to distribute and collect royalties on their behalf.

See also:
How can I create a label account on RouteNote?
How do I verify an artist/label with RouteNote?
What kind of names and titles won’t be accepted?