In the sense that the former does not publish the book for you, but rather, we help you by providing necessary (crucial!) information about how to complete the process successfully.
Traditional publishing houses are where you first land an agent, and then they submit your manuscript, and they take care of the printing/editing/publishing – at the expense of your hard earned royalties, of course.
Here’s a table detailing the differences between self-publishing companies and traditional publishing.
So why use a Self-Publishing company?