Professional English proofreading and editing services

Trusted by thousands of ESL speakers, students, and international businesses.

  • Subject-expert editors

    Experienced US/UK editors in your academic area.

  • A reputation for quality

    Read our verified reviews on TrustPilot.

  • Secure and confidential

    Secure, reliable and confidential service.

Why choose Cambridge?

Having proofread and edited over 120,000 documents for more than 14,000 clients
around the world, we have developed an offering that stands out from many other
editing services online. We believe there are five key reasons – the Cambridge
Advantage – to choose us for your editorial needs.

Reason 1

A trusted name in proofreading and editing

By consistently delivering a quality service for our clients, we have built a reputation as a trustworthy and dependable provider of proofreading and editing services. Indeed, the vast majority of our clients find us through word-of-mouth referrals from colleagues, fellow students, and friends.

Cambridge Proofreading LLC is a registered company in the U.S. state of Illinois with a presence in the UK. Our Certificate of Good Standing can be found on the website of the IL Secretary of State by searching our name or file number (05237661) here.

You can view independent reviews from our previous clients on the TrustPilot website here.

Reason 2

Secure and confidential

Our service is both secure and confidential. Only the editing manager and the assigned editor will access your file(s). All of our team members have signed NDAs (non-disclosure agreements) and confidentially agreements that detail strict procedures for handling client files securely.

Our website is protected by DigiCert 256-bit encryption to secure our data.

Our system automatically deletes all copies of client files 21 days after we have returned the proofread and edited versions. We can delete files earlier upon request.

Reason 3

Subject matter expertise

With more than 300 editors spanning the entire spectrum of academic disciplines, we can assign most documents to subject-matter experts. We believe there is no substitute for subject-matter expertise.

  • Dr. Heath, PhD

    Dr. Heath, PhD

    Life & Medical Sciences Editor

    • 34 Years
    • 450 Papers

    Academic Background

    PhD Molecular Cell Biology (University of Birmingham)
    MSc Molecular Cell Biology (University of Birmingham)
    BSc Genetics and Molecular Biology (University of Wolverhampton)

  • Dr. McNaught, PhD

    Dr. McNaught, PhD

    Chemistry Editor

    • 35 Years
    • 948 Papers

    Academic Background

    PhD Physical Chemistry (Monash University)
    MSc Physical Chemistry (Monash University)
    BSc Physical Chemistry (Monash University)

  • L. Trego, B.S.E.E.

    L. Trego, B.S.E.E.

    Electrical & Aerospace Engineering Editor

    • 32 Years
    • 422 Papers

    Academic Background

    OB.S. Electrical Engineering (Penn State University)

  • L. Sharp, MSc

    L. Sharp, MSc

    Psychology Editor

    • 2 Years
    • 38 Papers

    Academic Background

    Trinity Certificate in TESOL (Edenz Colleges, New Zealand)
    Master of Applied Psychology (University of Waikato)
    Bachelor of Arts Psychology (University of Auckland)

Reason 4

Over 300 experienced editing professionals

All the editors in our network hold advanced qualifications (first degrees, master’s degrees, and PhDs) from leading American, British and Anglo-sphere universities. Many also are members of leading industry bodies, such as the Board of Editors in the Life Sciences (BELS) and the Council of Science Editors (CSE).

Less than 1% of editors who apply to Cambridge make it through our rigorous selection process.

Reason 5

Competitive pricing and guaranteed quality

We are neither the cheapest nor the most expensive; we offer a premium-quality service at affordable, mid-range prices.

proofreading service guaranteeThe ‘Cambridge Quality Guarantee’ states that, should you not be entirely satisfied with our service and can cite fair justifications, you will be eligible for a full or partial refund.*

ProviderPrice per 1000
words (24 hrs)
Price per 1000
words (48 hrs)
ProofreadingPal $43 £32 €37 $36 £27 €32
Paper True $41 £30 €35 $41 £30 €35
Scribendi $37.50 £29.50 €33 $34 £26.50 €29.50
Kibin $35 £26.40 €30 $35 £26 €30
Cambridge Proofreading & Editing LLC $22.90 £16.90 €20.90 $20.90 £15.90 €19.90 $22.50 £13.80 €19.20 $21.25 £13.80 €19.20
Proofreading Service UK $20 £30 €40 $10 £20 €30
Currency: $ USD £ GBP € EUR