Yes, Solo allows you to invite up to 5 editors per website.
You can invite others to edit your website by following the steps below:
- Visit the Designer
2. Click the [Share] button in the right of the top toolbar
3. Click [Invite Editor] in the modal that appears
4, Type the email address of the person you want to invite
5. Click [Send Invite]

The invited user will receive an email. After they accept the email, they will be added as an editor to your website.
Editors have full permission to edit and publish your website but cannot invite other editors or delete the website.
You can also transfer full ownership of your website.