Business Proposal Proofreading & Editing

I have a set of business proposals that must read as flawlessly as they look. I’m looking for an experienced proofreader-editor who can comb through each page, correcting grammar, spelling, and punctuation while sharpening overall clarity and tone... (Budget: $10 - $200 USD, Jobs: Business Writing, Copy Editing, Editing, English Grammar, English Spelling, Proofreading, Proposal Writing, Technical Writing)