Google must give UK publishers more control over how their content is used in AI-powered search features after the Competition and Markets Authority imposed a new conduct requirement under the UK’s digital markets regime.
The regulator said the intervention will allow publishers to opt out of their content being used to power AI features in Google search, including AI Overviews, without losing access to ordinary search visibility. Google must also ensure that publisher content is properly attributed with clear links when it appears in AI-generated search results.
The requirement follows the CMA’s decision to designate Google with strategic market status in general search services. That designation gives the regulator powers to impose targeted conduct rules where it considers them proportionate for fair dealing, open choice, trust, and transparency.
Described by the CMA as a world-first measure, the requirement gives publishers, including news organisations, stronger tools to control how their work is used in AI search products and to negotiate commercial content arrangements with Google.
Following consultation feedback, Google will also have to allow publishers to opt out of the use of their content for fine-tuning AI models. The provision takes the issue beyond search display and into the wider question of how publishers’ material is used to improve and adapt artificial intelligence systems.
Sarah Cardell, chief executive of the CMA, said: “Today, we have introduced a world-first requirement on Google’s search services in the UK, enabling fair treatment, greater transparency and meaningful choice for businesses and consumers.”
She added: “With features like AI Overviews rapidly reshaping online search, it is crucial that content publishers, including news organisations, have appropriate bargaining power over how their content is used. At the same time, these measures will help tens of millions of UK search users better understand and trust the information presented to them.”
Google has nine months to implement all changes, although the CMA expects important parts of the controls to become available before that deadline. The company will also have to submit and publish compliance reports, supported by data and metrics, every six months during the first year.
The ruling lands as search is moving away from conventional lists of links and towards answer-led interfaces. AI Overviews and similar features compress information from multiple sources into a single response, which can reduce the need for users to click through to the original publisher.
That shift has created a commercial tension for publishers whose authority, advertising models, subscriptions, and audience development depend on referral traffic from search engines. It also changes the economics of original content, as search platforms move from directing users to information towards synthesising it inside their own interfaces.
The regulatory shift also arrives as search visibility is becoming a more contested part of brand strategy. As digital PR searches have surged amid SEO scrutiny, companies have been reassessing how authority is earned across media, search, and AI-driven discovery. The CMA’s intervention adds a platform-governance dimension to that pressure.
Publishers will now have to decide how they use the new controls. Blocking AI use may protect content from being repurposed without consent, but could also reduce participation in search environments that are becoming increasingly AI-led. Allowing AI use may preserve visibility, but publishers will want stronger evidence that attribution, referral traffic, and commercial value are not being weakened.
The CMA has signalled that further action may follow. It said it is actively monitoring Google’s recent search changes and assessing their implications for businesses. The regulator said it would bring forward further measures if needed to support a fair exchange of value between Google and publishers.
The decision also shows the UK’s digital competition regime moving from designation into direct intervention. Since the regime came into force, the CMA has launched strategic market status investigations into Google, Apple, and Microsoft, with conduct requirements becoming one of the main tools available to shape platform behaviour without relying solely on traditional enforcement cases.
Implementation now becomes the test. Publishers will watch whether the controls are usable, granular, and commercially meaningful. Regulators will examine whether attribution and reporting are sufficient. The wider market will see whether AI search can operate as a more transparent discovery channel, or whether further intervention follows as search becomes less link-led and more answer-led.
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