A few posts ago I lauded a Literary Agency for offering self-publishing services. Here is a link to a reasoned blog on why agencies should not become actual publishers
I believe literary agent Jason Ashlock has a perspective that definitely has to be considered. As in all markets, buyer beware. "An agent representing a client’s works to licensees cannot realistically maintain his or her unwavering allegiance to that client when the licensee is the Agency itself — however the “digital publishing arm” of the agency is described. "