When does a review become defamation?

Online reviews have become one of the most influential drivers of consumer decision-making. A single Trustpilot post or Google Review can influence a business’s reputation. For most companies, especially SMEs and founders, this makes online feedback both a powerful tool and a serious risk.

A glowing review can boost credibility overnight. A negative one can send potential customers elsewhere. But not all criticism is equal, and not every “review” is legally protected opinion. So, where is the line between a harsh opinion and actionable defamation? And what can you do if someone unfairly damages your business online?

This article breaks down:

• The legal distinction between opinion and defamation
• How reliable (or not) review platforms actually are
• The commercial steps to resolve a dispute
• Legal remedies if the issue escalates
• What you should avoid doing to prevent further risk

Opinion vs Defamation – The Legal Framework

Under the Defamation Act 2013, a statement is defamatory if it:

1. is published to a third party,
2. is false,
3. causes or is likely to cause serious harm to a person or a business’s reputation.

Honest opinion is generally protected

Comments such as:

• “I found the service rude”
• “In my view the product was poor quality”
• “I wouldn’t use them again”

…are value judgments. They cannot be proven true or false and are usually protected as “honest opinion”.

Defamatory statements not protected

A review crosses the line when it states or implies false facts, particularly allegations of wrongdoing, negligence, illegality, or misconduct. Examples include:

• “They scam customers”
• “They stole my money”
• “Their products are unsafe”
• “They falsify contracts / commit fraud”

The Problem With Online Review Platforms

Not all review platforms are equal; some allow anonymous postings or unverified posts so these might not be genuine and could be impartial, some are unregulated and unchecked, which raises real questions about their reliability.

Human nature and review bias

People rarely leave public praise for routine good service.

However, if something goes wrong, they are more motivated to complain publicly. That means review profiles often reflect the extremes rather than the everyday reality of a business.

Most platforms allow users to post anonymously or under pseudonyms, and their reliability varies dramatically. Google Reviews does not verify whether a reviewer is a genuine customer, offers only limited tools for businesses to respond, and is notorious for refusing to remove misleading or malicious comments.

Reviews on Glassdoor are similarly unverified and heavily skewed, often attracting disgruntled or dismissed employees rather than balanced feedback from genuine staff. It can leave employers unable to correct or remove one-sided criticism.

By contrast, TripAdvisor and Trustpilot allow businesses to publicly comment and provide context. In addition, Trustpilot at least attempts to verify posts and offers a clearer mechanism for challenging inaccurate or unfair content, which makes them generally more dependable than the others.

Whilst it’s clear that many platforms that allow unverified and anonymous postings , where businesses cannot respond, are, in our strong opinion, unreliable, allow biases and are at risk of allowing defamatory statements to be published. Glassdoor, is one such troubling platform they can harm a business’s reputation, despite the fact that people only post very often in extreme circumstances.

First Steps: Commercial Resolution Before Legal Action

When you face a damaging review, your first move should almost always be commercial, not legal.

1. Reach out to the reviewer

If identifiable, you can politely ask:

• What the issue was,
• How you can we resolve it?
• Whether an amendment or removal might be appropriate once resolved.

2. Offer a commercial incentive (carefully)

It is common to offer:

• a refund,
• a replacement service,
• goodwill compensation,
• or another form of resolution.

This is not an admission of liability; it is a practical way to avoid long-term reputational harm.

3. If the review is clearly malicious

Where a comment appears to be posted purely to sabotage the business, with no genuine experience behind it, commercial negotiation may not be possible.

In these cases, you may need to escalate sooner.

4. Approaching the Platform for Removal

Different platforms have different procedures, but the key is to be clear, precise and evidence-led.

Set out:

• What statements are false?
• Why they are defamatory,
• How they are harming the business,
• What correction/removal you are requesting.

Legal Options if the Problem Escalates

If commercial attempts fail and platform processes lead nowhere, businesses can consider legal action.

1. Cease and Desist Letter

Sent to the reviewer (if identifiable), setting out:

• The defamatory statements,
• Why they are unlawful,
• Evidence contradicting the allegations,
• The harm caused,
• The proposed remedy (removal, amendment, or resolution).

Without Prejudice correspondence

If offering compensation, apologies, or settlement options, mark communications “without prejudice” so they cannot be used in court.

Injunctions and Court Applications

If the review is causing serious harm and the reviewer refuses to act, you may apply for:

• an injunction compelling removal,
• an order requiring the reviewer to stop posting further content,
• damages for harm caused.

Court action is often the last resort because it:

• can be expensive,
• can take months,
• risks negative publicity,
• and may escalate tensions.

However, for some businesses, especially where allegations are severe, it is necessary.

What Not To Do

Businesses must avoid:

• threatening, bullying, or harassing the reviewer,
• engaging in a social media “war”,
• posting defensive or emotional responses,
• suggesting removal where allegations relate to potential whistleblowing or criminal activity (this can appear to be bribery or suppression),
• making unguarded statements that could be used against them.

A calm, structured, evidence-based approach is always preferred. Courts look favourably on parties who try to resolve matters proportionately.

When to Seek Legal Advice

You should consider legal advice if:

• The allegations are serious (fraud, negligence, safety concerns),
• The review is clearly false or malicious,
• Attempts to resolve it have failed,
• The platform refuses to act,
• A review is causing measurable financial harm,
• The issue may escalate or repeat.

Online reviews are powerful, but they are also imperfect, often biased, sometimes anonymous, and not always reliable. Businesses must understand the distinction between lawful opinion and unlawful defamation, and approach each case with a balanced, commercial mindset before turning to legal remedies.

With the right process resolution first, and legal enforcement only when necessary, businesses can protect their brand, reputation, and relationships effectively.

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Allin1 Advisory is a company that provides a range of business and legal services, with a focus on emerging technologies and international expansion. They offer services like company formation, virtual offices, website creation, and company searches. They also have expertise in areas like commercial law, investment advice, and international debt recovery. The company has a presence in London and is also expanding into the Middle East and Gibraltar.

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