In many cases, new authors want a traditional publisher because of the numerous services they can provide to their customers. However, what authors may not know is traditional publishers want more than just a manuscript.
So, here is my tip: Make sure you read (and re-read) a publishing company's submission guidelines before sending your manuscript.
This may take some time, but it will help you to narrow the list of companies that are willing to accept your work. Please understand that publishers have certain requirements because they want to make sure your work will be a good fit for them and most importantly, whether they can sell your book.
While each traditional publishing company has different requirements, here are just a few of the most common ones you will find: