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How to choose a proofreading agency

In this post we give some pointers to look out for when it comes to choosing a reputable UK proofreading service.

What are the best places to check proofreading service reviews?

The main site to look for reviews is Trustpilot. Google My Business is also useful; you can find it in Google Maps.

Can proofreading companies fake reviews on their own websites?

Yes, companies can control and edit reviews on their own websites, so these testimonials may be biased or fabricated compared to independent review platforms.

These reviews intend to mimic genuine review sites like Trustpilot and Sitejabber. However, as these reviews are on the website they can be manipulated or entirely made up by the company.

Are negative reviews a good sign of a legitimate proofreading service?

Genuine reviews often include minor grammar or spelling errors, especially from non-native speakers, reflecting authentic customer experiences rather than polished marketing text.

As 90% of our customers are foreign, non-native speakers of English you can expect their reviews to have grammar, spelling and punctuation mistakes in them. This is a sign that they are genuine. After all, proofreading companies work primarily with people who struggle with English writing, so why would they have reviews written in flawless English?

Are negative reviews a good sign of a legitimate proofreading service?

Yes, a few negative reviews indicate authenticity, as no long-standing service avoids all criticism and fake reviews are usually overwhelmingly positive.


Another trick that some dubious proofreading companies do is to only have 4 and 5 star reviews. If a company is genuine they are likely to have a handful of negative reviews. Why? Because if the reviews are fake they would not pay for bad reviews and would opt instead for 4 or 5 star ones. Also, if they are established and have been in business for long enough then negative reviews are unavoidable. These are from people who have not understood what the service entails or because a technical glitch caused a document to be returned late. These things do happen!

How can you tell if a proofreading service uses human editors?

Review editing samples to ensure meaningful human corrections, as automated tools like Grammarly cannot match the depth and accuracy of professional editors.

Check the company’s editing samples to verify you are getting what you pay for. The last thing you want is a simple Grammarly-like check of your document. Grammarly is great, but it can’t replace a human editor.

We are London Proofreaders, and we are a UK proofreading agency that has checked over 7,000 documents for 2,700 clients in 77 countries around the world.

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What our customers say

Excellent journal article editing

Much more affordable than other companies. I sent my article on Friday afternoon and thought I’d get my work back after two business days. So I was surprised to get my proofread document back by the Monday. My writing now reads more fluently. I highly recommend this proofreading service. Mohamed, Indonesia

The best proofreading services

I’m absolutely delighted with the proofreading of my PhD thesis. The attention to detail, clear suggestions, and care taken with academic tone and flow were outstanding. Every chapter read cleaner and more coherent, with inconsistencies, minor errors, and awkward phrasing expertly resolved while preserving my voice. Turnaround was prompt, communication was professional, and the feedback was precise and actionable.  Charlotte, UK

Very satisfied

This is my second time using London Proofreaders; they have done an amazing job yet again. Several mistakes which were initially overlooked by me were pointed out through the service. Anushka, UK

Affordable scientific editing 

Needed my manuscript refined in time for the Christmas deadline, so I opted for the expedited service. London Proofreaders delivered the improved version within just three days—impressive speed!

What stood out was the thoroughness of their work. The proofreader genuinely engaged with my manuscript, understood the context, and provided insightful recommendations that enhanced clarity and readability. Their attention to detail made a real difference.

Highly satisfied with the experience—I’ll definitely be returning for my next project! Amanti, Malaysia