Manuscript and editorial services business includes companies that work with authors and publishers to edit, proofread, and advise on the content of books, articles, and other written works. This type of business helps authors develop their manuscripts into polished, publishable documents. Professional manuscript and editorial services businesses employ experienced editors, writers, and researchers who can provide the insight needed to create a quality work. They typically provide a variety of services, from stylistic guidance to copyediting to research assistance.