Publishing with Tablo is self-publishing. Self-publishing has a specific meaning. It describes an author who personally takes on the responsibility of publishing book.
Whether you publish solo, or with help from another person or company, you are self-publishing if you don't have a publisher that is assuming responsibility for your book.
When you publish with Tablo, you are the copyright holder. We will identify you using your author name as the copyright holder on your copyright page, and identify ourselves as the publisher.