UK competition watchdog opens abuse-of-dominance probe into Meta’s AI-era business terms

The UK’s Competition and Markets Authority (CMA) opened an investigation on 30 October 2026 into whether Meta abused a dominant position through its new commercial terms for publishers and advertisers. Reuters also reported the probe.

What the CMA says it will examine

According to the CMA, the question is whether Meta imposed exploitative terms on publishers and advertisers. The regulator says the terms could allow Meta to collect content from business and publisher websites and use it in its own products and services, including AI features, without those businesses choosing whether or how it is used.

The CMA says it is concerned about unfair trading conditions for thousands of UK businesses, particularly news publishers. It names two bodies that raised concerns: the News Media Association and Movement for an Open Web.

The case runs under the Competition Act 1998. The CMA says it will assess whether Meta holds a dominant position in a relevant UK market and, if so, whether the terms abuse it. The Act also allows interim measures, which the CMA describes as temporary action to prevent significant damage or protect the public interest.

CMA chief executive Sarah Cardell said: “But where a company holds a dominant position, it must not use that position to impose unfair terms.” She added that the authority is acting swiftly on Meta’s proposed changes.

The CMA stresses that no decision has been made on whether Meta broke the law, and that no assumption should be drawn. It will gather evidence from Meta and affected third parties and post updates on its case page.

A rollout already delayed twice

Meta had planned to introduce the changes on 30 October. After talks with the CMA, it moved the date to 20 November. On 28 October, the CMA says, Meta paused the rollout while it consults industry groups. The Verge reported the same day that Meta said it would probably delay the terms again, and Reuters wrote that the delay was indefinite.

For readers, the practical effect is that the new terms are not in force while the probe starts. Nothing in the CMA’s release says when they might return, or in what form.

Why the route matters: A Competition Act case, not the digital rules

The analysis angle here is regulation. The CMA notes that its digital markets regime has limited reach in this case because Meta has not been designated with strategic market status. The next set of candidate proposals for that status goes to the CMA Board in spring 2027. That is why the regulator is using general competition law, which is slower and case-by-case, rather than the faster conduct rules available for designated firms.

Outside reporting adds context. A search of coverage found that the News Media Association told the CMA Meta’s terms mirror conduct the regulator addressed in Google Search earlier this year, and asked it to secure a pause while it negotiates voluntary commitments with Meta. The same coverage says Movement for an Open Web also complained to the European Commission, and that Meta’s position is that the changes concern its advertising and business products and create no new crawling rights. These are the parties’ claims, and the CMA’s release does not rule on them.

The case also sits alongside a separate CMA line of inquiry. The authority says it is asking Meta for information about its Meta One business subscription service, and looking at concerns from the Federation of Small Businesses about small businesses posting external links on Facebook and Instagram without paying a subscription. No decision on formal action has been taken there.

What the release leaves open

The CMA gives no deadline for the investigation and does not say whether it will seek interim measures. It does not publish the text of the terms, and Meta’s response is not part of the release. Whether Meta holds a dominant position in any UK market is the first thing the CMA must establish.

The probe lands as Meta is leaning harder on AI. Our earlier report covered how Nvidia put $3 billion into Meta’s stock sale and tuned Muse for its chips. Access to publisher and business content for those products is the core issue the CMA now has to weigh.