Copy editing is the process of reviewing and editing text for grammar, punctuation, style, and spelling mistakes. It also includes checking for consistency in terms of style and usage. Copy editors may also suggest changes to improve clarity or structure. 

Copy editing service is typically done by a freelance or in-house editor. The copy editor will read the text and make corrections as needed. Once the copy editor is finished, they will send the text back to the author for approval. 

If you are looking for someone to copyedit your work, there are a few things you should keep in mind. First, you should make sure that you have a good working relationship with your copy editor. You should be able to trust them to make the necessary changes without changing the meaning of your work. you can also hire them for assignment proofreading services.