Capella does not endorse, recommend, or guarantee availability of any outside service providers.
If you are considering hiring an outside editor, see the Working With an Outside Editor section of the Doctoral Publications Guidebook. Also, as mentioned in the Guidebook, familiarize yourself with Use of Third-Party Services in Dissertation and Doctoral Capstone Research document.
Instead of or before hiring a third party, work your way through the Revising and Editing Your Own Writing section of the Guidebook, currently pages 137-146. Revision is an active stage in the writing process, and you may find the process of deep revision to be rewarding and productive.