Proofreading Services

PoliLingua provides professional proofreading services in 200+ languages, carried out by native-speaker proofreaders and produced to the ISO 17100:2015 standard. Whether you need a proofreading company for a single academic paper or a proofreading agency to handle recurring business documents, every file is checked for grammar, spelling, punctuation, consistency and formatting before it goes anywhere near its intended reader.

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What Professional Proofreading Services Actually Cover

Proofreading is the final accuracy check on a finished document, spelling, grammar, punctuation, spacing and formatting, not a rewrite. It's a narrower, later-stage service than editing, which addresses clarity, tone and structure before a document is considered finished, we've written a full breakdown of the difference between editing and proofreading if you're not sure which one your document needs. What our proofreading and editing services add on top of a standard English-language proofreader is that every proofreader working on your file is a native speaker of the document's language, so idioms, regional spelling conventions and tone land the way they would for a reader in that market, not just technically correct, but natural.

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Academic, Business and Manuscript Proofreading

Academic proofreading services are one of our most requested categories, thesis proofreading services and dissertation reviews for students submitting to universities with strict formatting and citation requirements, and journal-ready proofreading for researchers whose submissions get rejected on presentation grounds as often as on content. Business proofreading services cover contracts, reports, proposals, investor decks and website copy, where a single inconsistent term or typo in a client-facing document undercuts credibility in a way content quality alone can't fix. Manuscript proofreading services for authors and publishers catch continuity errors, formatting inconsistencies and typos across full-length works before they go to print or to a literary agent.

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Request a Quote UK: +44 20 3807 5500

Document Proofreading Services for Every Content Type

Document proofreading services extend beyond long-form writing to marketing copy, legal documents, medical and technical content, e-learning materials and web pages, anywhere accuracy and consistency matter before publication. We also provide translation proofreading, a second native-speaker check on already-translated content, catching errors a translator working alone can miss and confirming that terminology stays consistent across a long or multi-translator project. If your content was produced with AI or machine translation, a proofreading pass is the step that catches the fluent-sounding errors those tools are most prone to.

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How It Works and What It Costs

Upload your document and tell us the language, deadline and type of content. We match you with a native-speaker proofreader qualified in your subject area, academic, legal, medical, technical or general, who checks grammar, spelling, punctuation, consistency and formatting against the relevant style guide. Online proofreading services means the entire process runs by upload and email, with no office visit required. Proofreading rates start at $15 per page, based on a standard 400-word page, with the exact proofreading cost depending on language, document length, subject complexity and turnaround time, standard delivery is 24 to 48 hours, with rush service available.

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Why Choose PoliLingua

Since 2002, PoliLingua has provided proofreading, translation and localization services for clients in over 80 countries, with offices in London, Milan, Berlin, Paris and Madrid. We're ISO 17100:2015 certified, an accredited ATC member, and ATA and ELIA members, with a 4.8 rating on Trustpilot. Every proofreading project goes to a native speaker of the document's language and subject area, not a generalist working across every field at once.

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Frequently Asked Questions (FAQs)

Proofreading services check a finished document for grammar, spelling, punctuation, spacing and formatting errors. It's a final accuracy pass, not a rewrite, if your document also needs work on clarity, structure or tone, that's editing, a separate and earlier-stage service we also offer.

Proofreading rates start at $15 per page, based on a standard 400-word page. The exact proofreading cost depends on the language, document length, subject complexity and turnaround time, academic and technical content with specialized terminology typically costs more than general business proofreading. Upload your document for an exact price and turnaround time.

Yes. Thesis proofreading services and dissertation reviews are among our most requested academic work, checking grammar, formatting and citation consistency against your university's requirements before submission.

Editing addresses clarity, structure, tone and the overall argument of a document, sometimes involving rewriting. Proofreading is the final accuracy check, grammar, spelling, punctuation and formatting, on a document that's already considered finished in substance.

Our online proofreading services run entirely by upload and email, so there's no need to search for proofreading services near me or visit an office, you'll typically get your document back faster than a local proofreader could turn it around.

Yes. Translation proofreading is a distinct service, a native-speaker check on already-translated content to catch errors a translator working alone can miss and confirm consistent terminology across a project.

Standard turnaround is 24 to 48 hours for most documents. Longer manuscripts or documents requiring subject-matter expertise can take longer, rush delivery is available for tight deadlines.

Yes. AI-generated and machine-translated text often reads fluently while containing factual, terminological or tonal errors that a proofreading pass is specifically suited to catch, since it's checking the finished text rather than the process that produced it.

Do you Need Assistance?

We are here to support you in obtaining a relevant quote for complex document translation, website localization, PDF translation, software localization, and any other translation-related projects.

Request a Quote UK: +44 20 3807 5500