Proofreading works best as a defined review of a nearly finished document. It is a poor fit for an open-ended promise to “make this sound professional.” Before taking payment, agree on what you are looking for and what you will leave alone. A first project might be a short newsletter or a small website text document, not a dissertation or regulated advice that you are not qualified to assess.
Choose the level of intervention
Write a short definition of your offer: spelling, punctuation, repeated words, basic consistency and obvious formatting issues in a supplied editable file. State whether you use US English or another agreed convention. A client may have a house style that differs from your preference; follow it where it is clear and ask when it is not.
Explicitly separate proofreading from rewriting, translation, reference verification, legal review and fact-checking. If a sentence is ambiguous, leave a question instead of silently changing its meaning. Do not claim that a proofread guarantees an error-free document. The point is a careful, agreed review process, not an impossible absolute.
Build a sample that shows your decisions
Write your own short demonstration text with intentional errors. Produce a marked-up version, a clean version and a small style sheet recording decisions such as capitalization, number treatment and preferred spelling. Explain why you queried an unclear sentence rather than rewriting it. The sample should show judgment as well as a sharp eye.
Use original material or material you are authorized to use. The Copyright Office explains that original written expression can be protected when fixed in a tangible form. Do not take a prospective customer's unpublished document for a public portfolio without permission, even if you have removed the business name.
Quote from a representative sample
Ask for a small representative extract with sensitive material removed, the full word count, file format, deadline and purpose. A polished newsletter and a heavily corrupted transcription may have the same number of words but take very different amounts of work. A PDF can be slower to annotate than a clean editable file.
Time your own demonstration review. Include reading, marking, checking consistency, resolving comments and handover in the estimate. Your startup costs may be no more than software you can already use and a reference resource you genuinely need. Do not buy a certificate to imply an accreditation you have not earned. Use the hourly calculator to see whether the quote covers the entire job.
Find a first customer without giving away a full project
Approach an organization whose type of writing you understand. Ask whether they already have a final-review process and offer your original sample. A small paid pilot makes it easier for both sides to assess fit. Do not agree to proofread an entire document as an unpaid “test.”
Confirm the maximum word count, one agreed file version, the review level, delivery date and how questions will be resolved. The freelance contract checklist helps separate corrections within scope from new text added after the review begins. If the customer changes half the document, that is not the same proofreading job.
Work through separate passes
A consistent process reduces distraction:
- Read once for context without making broad stylistic changes.
- Review the agreed surface issues using tracked changes or clear annotations.
- Check names, headings, repeated terms and formatting against the style sheet.
- Revisit every comment and make sure it is understandable to the author.
- Compare the final file with the original so no content disappeared accidentally.
Do not paste unpublished text into a third-party tool without the client's permission and a suitable privacy arrangement. Spellcheck is a helper, not permission to accept every replacement. Names and technical terms need particular care. Keep uncertain facts in a question list rather than presenting them as corrected truth.
Deliver a file the author can approve
Return a marked-up file, a short summary of what was checked and any unresolved questions. A clean version can be useful, but the customer should retain the ability to see your changes. Tell them whether a post-layout review is excluded; formatting or copying the text later can introduce new errors.
Record the time spent and what slowed the work down. If your preference is improving structure rather than surface checking, consider a separate editing offer instead of quietly expanding proofreading. The product-description editing playbook shows how to define another small writing service. Check local business requirements before making this a regular paid activity.
Your working checklist
- Create an original marked-up sample with a style sheet.
- Agree on word count, file format and the level of editing.
- Keep a separate list of author questions instead of guessing.
A common question
Is proofreading the same as rewriting a document?
No. Proofreading usually focuses on surface errors and consistency in an agreed near-final text. Structural editing, fact-checking, references and rewriting should be named and priced separately.