Proofreading & Enhancing Long Word Document

I have a lengthy Word document which needs thorough proofreading for spelling errors, grammatical mistakes, and punctuation. I am also looking for suggestions to improve the document's overall readability and flow.

Ideal Candidate:
- Previous experience in proofreading and editing long-form content
- Attention to detail and excellent command of English language
- Experience providing constructive feedback for document improvement

Please include samples of your previous work when applying.