Google has not been fined or found finally liable in the UK. On September 6, 2024, the Competition and Markets Authority (CMA) issued a statement of objections, provisionally alleging that Google used its position across online advertising technology to favor its own ad exchange, AdX, over rivals.
The CMA’s investigation was still listed as open on its latest official case update reviewed. The case could affect how digital advertising is bought and sold—and indirectly influence the revenue available to publishers and the costs and transparency faced by advertisers.
![Marketing Magic: How I produced 7 billion views, 50 million social media followers and $250,000,000 in yearly revenue without paid advertising! ... ... Manuel Suarez [Hardcover] Manuel Suarez](https://m.media-amazon.com/images/I/41DEmJulOkL._SL160_.jpg)
As an Amazon Associate I earn from qualifying purchases.
What the CMA announced
The CMA said Google may have abused a dominant position in breach of the UK’s Chapter II prohibition under the Competition Act 1998. Its provisional findings concerned conduct that the regulator said had existed since at least 2015.
Windows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallOutdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchThe investigation began on May 25, 2022. The September 2024 announcement was a statement of objections: a formal outline of the regulator’s preliminary case that gives the company an opportunity to respond. It was not a final infringement decision, court judgment, criminal charge, or fine.
#1 Best Overall
The CMA said the alleged conduct could have harmed UK advertisers, publishers, rival ad exchanges, and rival publisher ad servers.
Where the case stands
The CMA’s case page most recently listed the investigation as open. It recorded written and oral representations after the statement of objections, running from December 2024 through December 2025, and said the CMA expected to consider next steps between December 2025 and July 2026 while monitoring international developments.
That timetable was indicative. The available official record does not establish that the CMA has issued a final infringement decision, imposed a fine, or ordered Google to restructure its ad-tech business.
Quick wins for a faster PC:
Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →The possible outcomes include closing the case, accepting commitments from Google, issuing a final infringement decision, or pursuing remedies. A final decision could also face appeal or judicial review through the applicable legal process.
See the CMA’s case page and procedural history.
What “self-preferencing” means
Self-preferencing is the alleged practice of giving a company’s own related service an advantage over competing services. It is not automatically unlawful for a business to operate multiple products. The competition concern arises when a company with significant market power allegedly uses control over one part of an industry to favor its own service in another part.
In this case, the alleged beneficiary was Google’s AdX exchange. The CMA’s theory was that Google controlled or supplied important tools used by different participants in the advertising transaction, then used that position to strengthen AdX and weaken rivals.
How the online advertising transaction works
A simplified open-display advertising transaction looks like this:
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
- An advertiser or agency wants to buy an online advertising impression.
- An advertiser-side buying tool submits a bid for an opportunity to reach a user.
- A publisher-side ad server manages the advertising space on a website or app.
- An ad exchange facilitates an auction between buyers and sellers.
- The publisher receives advertising revenue and the advertiser reaches the audience.
These functions are connected but not interchangeable:
- AdX is Google’s ad exchange.
- Google Ad Manager, formerly associated with DFP, provides publisher-side ad-serving infrastructure.
- Google Ads and Display & Video 360 are advertiser-side buying tools.
The CMA’s concern focused on Google’s presence across several layers of this stack, rather than on “Google Ads” and “Google Ad Manager” being the same product.
The CMA’s specific provisional allegations
The regulator provisionally alleged that Google’s practices gave AdX advantages over rival exchanges in several ways:
- AdX allegedly received exclusive or preferential access to advertisers using Google Ads.
- Google allegedly adjusted advertiser bids so they were more valuable when submitted to AdX than when submitted to competing exchanges.
- AdX allegedly received advantages within the auction process.
- The practices allegedly helped protect AdX from competition.
- Google’s conduct allegedly weakened rival publisher ad servers’ ability to compete with Google’s publisher ad server.
These are the CMA’s provisional findings, not facts finally established by a court or final regulatory decision. The allegations also do not mean that every auction was intentionally manipulated or that every advertiser and publisher experienced the same outcome.
Recommended Free Tools
Why publishers may care
Publishers sell advertising inventory and generally benefit when multiple buyers and exchanges compete for it. If an ad server or auction process favors one exchange, fewer competing bids may be considered or rival suppliers may have less ability to win business.
Potential consequences could include:
- Less competition for advertising inventory.
- Lower bargaining power for publishers.
- Greater technical dependence on one provider.
- Higher switching costs.
- Less visibility into auction rules, fees, and data flows.
That does not mean every publisher would automatically earn more if Google changed its practices. Publisher revenue also depends on advertiser demand, inventory quality, audience data, fraud prevention, latency, privacy requirements, and how the publisher configures its technology.
Why advertisers and agencies may care
Advertisers care about reach, price, targeting, measurement, fraud controls, and the efficiency of buying campaigns. If bids are allegedly treated differently depending on which exchange receives them, advertisers may not obtain equivalent access to available inventory.
Possible concerns include higher transaction costs, reduced auction transparency, and less visibility into how money moves between the advertiser and publisher. Any changes to Google’s systems could also require agencies and advertisers to adjust buying workflows, reporting, measurement, or supply-path strategies.
Google disputes the broader claim that its ad-tech products engage in harmful self-preferencing. It argues that integration can make campaigns easier to manage, reduce costs, improve fraud prevention, and support quality controls for advertisers and publishers.
Read Google’s explanation of its ad technology.
What has not happened
- Google has not been shown by the cited CMA record to have received a final UK infringement decision in this case.
- No UK fine is established by the sources cited here.
- The CMA has not, in the September 2024 announcement, ordered Google to break up its ad-tech business.
- The allegations have not been proven merely because the CMA issued a statement of objections.
Media reports may use “charges” as shorthand, but the more accurate description is that the CMA issued a statement of objections containing provisional findings.
Could the UK order a breakup?
A breakup is one possible category of remedy, not an established outcome. Depending on its final findings, the CMA could consider measures such as:
- Behavioral remedies: banning preferential treatment or discriminatory bid adjustments.
- Transparency remedies: requiring clearer disclosure of fees, auction rules, and data flows.
- Interoperability remedies: allowing rival tools to access specified demand or auction information.
- Data remedies: restricting the use of information advantages or requiring access to defined data.
- Structural remedies: separating or divesting parts of the ad-tech stack.
The appropriate remedy would depend on a subsequent decision and the CMA’s assessment of what would address the alleged competition harm. A structural remedy is not automatic whenever a regulator examines vertical integration.
The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →How international cases fit in
The CMA said its action followed similar scrutiny by US and European authorities. Those proceedings are legally separate. Different regulators can examine different conduct, apply different legal standards, and impose different remedies.
A decision in the United States or European Union would not automatically determine the UK outcome, although international developments may influence the CMA’s approach. Google has separately opposed structural-separation proposals in the US and argued for measures such as interoperability and real-time access to advertiser bids. That is Google’s position in a separate US proceeding, not evidence of what the UK will decide.
Read Google’s separate US remedies position.
What advertisers and publishers can do while the case continues
The CMA’s investigation does not itself require businesses to abandon Google’s tools. Publishers and advertisers can, however, review their dependence on any single provider.
Possible approaches include using multiple exchanges, independent publisher ad servers, header-bidding platforms, private marketplaces, programmatic-guaranteed deals, direct-sold advertising, subscriptions, sponsorships, or other revenue sources.
Diversification can increase competition and reduce dependency, but it also adds technical complexity, latency, fragmented reporting, privacy-compliance work, and fraud-management requirements. There is no universally best setup for every publisher or advertiser.
The bottom line
The important development was the CMA’s September 6, 2024 provisional case—not a final UK ruling. The regulator alleged that Google used its position across the ad-tech supply chain to give AdX advantages over rival exchanges and weaken competing publisher ad servers. The investigation remained open in the latest official case update reviewed, so the legal outcome, any remedy, and any financial effect on publishers or advertisers were still unresolved.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
