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Misleading Advertising in the UK: CMA Enforcement and Platform Liability

Misleading Advertising in the UK: CMA Enforcement and Platform Liability

Alexandra Blake, Key-g.com
podle 
Alexandra Blake, Key-g.com
8 minut čtení
Právní poradenství
Duben 17, 2025

Misleading advertising has long been a concern for regulators in the UK, as it can undermine consumer trust and distort competition. The Misleading Advertising UK framework aims to safeguard consumers from deceptive practices while ensuring that businesses compete on a level playing field. The UK’s regulatory landscape has evolved over the years, particularly with the rise of online platforms where advertisements can quickly reach large audiences. The Competition and Markets Authority (CMA) has been at the forefront of enforcement efforts, ensuring that companies comply with advertising standards and hold platforms accountable for the ads they display.

In this article, we explore the issue of misleading advertising in the UK, focusing on the role of the CMA in enforcement and the growing liability of platforms in ensuring compliance with advertising standards. We will delve into the regulatory measures in place, the challenges faced by platforms, and how the law is adapting to the digital landscape.

The Rise of Misleading Advertising in the UK

Misleading advertising has become a significant issue in the UK, particularly with the advent of digital marketing. Online platforms, including social media networks, search engines, and e-commerce websites, have revolutionized how products and services are marketed. However, this shift has also led to an increase in misleading or deceptive advertising practices.

Misleading advertising in the UK typically occurs when a business makes false or exaggerated claims about its products or services, which can mislead consumers into making purchasing decisions. Such advertising can take various forms, including false claims about product features, misleading pricing, or unsubstantiated endorsements. With the vast reach of the internet, these misleading advertisements can affect thousands, if not millions, of consumers within a short period.

The impact of misleading advertising goes beyond just consumer deception—it can also harm competition in the marketplace by giving businesses that engage in deceptive practices an unfair advantage over those that comply with advertising standards.

The Role of the CMA in Enforcing Advertising Standards

The Competition and Markets Authority (CMA) plays a crucial role in ensuring that advertising in the UK is truthful, transparent, and not misleading to consumers. The CMA enforces the UK Consumer Protection from Unfair Trading Regulations 2008, which prohibit misleading advertising, and it is responsible for investigating complaints, issuing warnings, and taking enforcement action when necessary.

The CMA’s powers have been reinforced in recent years to address the growing challenges of online advertising. The rise of digital platforms and the complexity of online ad practices have made it increasingly difficult to identify and act against misleading advertising. As a result, the CMA has adopted a proactive approach to regulation and enforcement.

1. Investigating Complaints and Suspected Violations

The CMA investigates cases of misleading advertising in various sectors, including retail, travel, health, and financial services. Consumers can file complaints with the CMA if they believe they have been misled by an advertisement, and businesses can also report misleading practices by competitors.

In its investigations, the CMA considers a range of factors, including the content of the ad, the context in which it was displayed, and the potential harm caused to consumers. For example, an ad claiming that a product is “100% effective” without providing scientific evidence to support that claim would be flagged as misleading. The CMA also works with other regulators, such as the Advertising Standards Authority (ASA), to ensure comprehensive enforcement.

2. Issuing Warnings and Fines

Once the CMA has conducted an investigation and determined that an advertisement is misleading, it may issue a warning or impose penalties on the responsible business. Warnings are often issued first, especially in cases where the business is willing to cooperate and take corrective action. However, if the business does not comply with the CMA’s recommendations, the authority can impose fines or take the case to court.

Fines for misleading advertising can be significant, with penalties based on the severity of the violation and the level of harm caused to consumers. In some cases, the CMA may seek a court order to stop the misleading advertising and require the business to issue a corrective statement.

3. Collaboration with Digital Platforms

With the rise of digital advertising, the CMA has recognized the need to collaborate with online platforms that host ads. These platforms, including social media networks, search engines, and e-commerce websites, often host large volumes of advertising content from third-party businesses. While platforms themselves are not typically responsible for the content of ads, they must ensure that the ads comply with UK advertising regulations.

The CMA has increasingly focused on working with platforms like Facebook, Google, and Amazon to address misleading advertising. Platforms are required to have systems in place to review ads, monitor for potentially misleading content, and respond to consumer complaints. The CMA has also provided guidance to platforms on how they can improve their advertising policies and prevent deceptive ads from being published in the first place.

The Growing Platform Liability for Misleading Advertising

Traditionally, platforms were considered neutral intermediaries when it came to advertising. However, as the digital advertising landscape has evolved, platforms are now facing increased scrutiny and liability for the ads they display.

The UK Online Safety Bill, which is currently under review, could further extend the liability of platforms by imposing more stringent requirements for monitoring and removing harmful content, including misleading ads. In this new regulatory framework, platforms will likely have a more active role in ensuring the compliance of ads and the protection of consumers.

1. Platform Responsibility for Third-Party Ads

The responsibility of platforms for misleading advertising is becoming clearer in the UK. Although platforms are not responsible for creating the ads, they have a duty to monitor the content they host and ensure that it does not mislead consumers. This duty applies to various types of ads, including sponsored posts on social media, display ads on websites, and search engine ads.

Platforms are increasingly required to have robust systems for detecting and removing misleading ads. These systems may involve automated tools, manual reviews, or both. If a platform fails to take action on an ad that violates UK advertising standards, it may be held liable for allowing the misleading ad to remain visible to users.

For example, if an e-commerce platform allows a third-party seller to advertise a product with false claims about its benefits, and the platform fails to remove the ad after being alerted, it could be held responsible for facilitating misleading advertising. Platforms must ensure that their ad policies are clear, effective, and consistently enforced to mitigate the risk of legal liability.

2. Collaboration with Advertisers and Compliance

To avoid being held liable for misleading advertising, platforms must collaborate closely with advertisers to ensure that their ads comply with the relevant legal requirements. This includes verifying the claims made in advertisements and ensuring that they are backed by evidence. Platforms should also implement procedures for advertisers to flag and report any misleading content that may have slipped through the review process.

Furthermore, platforms must educate advertisers about the legal obligations they face when advertising in the UK. This may involve providing guidelines for creating compliant ads, offering resources on how to substantiate advertising claims, and ensuring that advertisers understand the potential consequences of misleading advertising.

3. Consumer Complaints and Platform Accountability

As more consumers become aware of their rights under UK law, the number of complaints about misleading advertising is likely to increase. Platforms must be equipped to handle these complaints efficiently and take appropriate action when a misleading ad is flagged.

Consumer complaints should be addressed quickly, with platforms investigating the matter, removing the misleading ad if necessary, and offering remedies to affected consumers. If a platform fails to address consumer complaints or continues to allow misleading advertising to thrive, it could face legal action from regulators or lawsuits from affected consumers.

How the UK Legal Landscape is Adapting to Digital Advertising

As digital advertising continues to evolve, the regulatory framework in the UK is adapting to keep pace. The Misleading Advertising UK laws have been updated to address new challenges brought about by online platforms. Several areas are likely to see increased regulation in the near future.

1. Enhanced Transparency Requirements for Platforms

One area of focus for the UK government is increasing transparency in digital advertising. This includes requiring platforms to disclose more information about how ads are targeted to users, how advertisers are selected, and how advertisers’ content is reviewed for compliance. Transparency will help consumers better understand why they are seeing certain ads and allow them to make more informed decisions.

2. Stronger Penalties for Non-Compliance

The penalties for non-compliance with misleading advertising regulations are expected to become more severe. With increased platform responsibility for third-party ads, platforms that fail to take sufficient action against misleading ads could face larger fines and more significant consequences.

Závěr

The rise of misleading advertising in the UK has led to more robust enforcement by the CMA and a growing responsibility for platforms. As regulators adapt to the challenges of digital advertising, businesses, and platforms must be proactive in ensuring that their ads comply with UK law. By understanding the CMA’s role in enforcing advertising standards and the liability of platforms, online businesses can better navigate the legal landscape and avoid costly penalties.

The regulatory environment is evolving, and platforms that host advertising content must be vigilant in monitoring and enforcing compliance with advertising standards. By doing so, they can protect consumers, preserve their reputation, and contribute to a fairer and more transparent advertising ecosystem.