The European Commission fined Google EUR 2.95 billion on Friday, 5 September, for abusing its dominant position in advertising technology. The penalty, roughly $3.45 billion, came with a pointed signal from Brussels: in its view, only a structural break-up of Google’s ad business would fully remove the conflict of interest at the centre of the case.
How the ad machine works, and where it tilted
Most of us never see the plumbing behind online ads, so a short map helps. When you open a news site, an automated auction decides which ad fills each slot. Publishers manage that space through an ad server. Advertisers bid through buying tools. In the middle sits an exchange, where the two sides meet and the price is set.
Google runs a major product at every one of those layers. Its publisher ad server is DFP. Its exchange is AdX. On the buying side it has Google Ads and DV360.
The Commission’s finding is that Google used that position to favour its own exchange. According to the case note published by law firm Loyens & Loeff, DFP gave AdX an advantage, including advance notice of what rival exchanges were bidding. That is a bit like one auction house being told every competing offer before it names its own. On the other side of the market, bids from Google Ads and DV360 were steered toward AdX. The Commission says the conduct has been going on “since at least 2014”.
Teresa Ribera, the Commission’s competition chief, did not soften the message:
“Google abused its dominant position in adtech, harming publishers, advertisers, and consumers. This behaviour is illegal under EU antitrust rules.”
By the numbers
| Item | Figure | Source |
|---|---|---|
| Fine | EUR 2.95 billion | Loyens & Loeff; Al Jazeera |
| Fine in US dollars | About $3.45 billion | Al Jazeera; CNBC |
| Start of the infringement | Since at least 2014 | Loyens & Loeff |
| Time Google has to propose a fix | 60 days | Al Jazeera; Loyens & Loeff |
| Google products at the centre of the case | DFP, AdX, Google Ads, DV360 | Loyens & Loeff |
Google pushes back, and so does Washington
Google rejects the decision. Lee-Anne Mulholland, speaking for the company, said there is “nothing anticompetitive in providing services for ad buyers and sellers”, and confirmed that Google will appeal.
The case also picked up a political dimension almost immediately. US President Donald Trump threatened to open a Section 301 proceeding against the penalties. That moves a competition file toward a trade quarrel between Washington and Brussels, and it adds pressure on the Commission at the exact moment it has to decide how hard to push on remedies.
Why it matters
What caught my attention is not the size of the fine. For a company of Google’s scale, a penalty is painful but survivable. The interesting part is the remedy question. A fine is a cost. A forced separation of the ad server from the exchange would change how the business is built.
For now, the Commission has asked Google to come back within 60 days and explain how it will end the self-preferencing. If Brussels finds the answer too thin, the break-up talk becomes more than a signal.
The harm the Commission describes is easy to underestimate because it is invisible. If the auction tilts toward one exchange, publishers can earn less for each ad they show and advertisers can pay more to reach the same reader. Those costs do not stay inside the ad industry. They show up in thinner newsrooms, more paywalls and higher marketing budgets that end up in the price of the things we buy.
For readers in the Arab world, the decision itself applies to the European market. But Arabic news sites, bloggers and app developers use the same Google tools to sell their ad space, and I have seen many small publishers in the region depend on them almost entirely. Changes Google is forced to make in Europe do not automatically travel. Still, when a product has to be rebuilt for one large market, it is fair to watch whether the new design reaches everyone else.
What to watch
- Google’s 60-day reply. The Commission will judge whether Google’s proposal to end the self-preferencing is credible, or whether it needs to go further.
- The appeal. Google has said it will challenge the decision, which moves the fight into the EU courts.
- The break-up signal. Whether the Commission moves from hinting at structural separation to formally pursuing it.
- Trade pressure. Whether the threatened Section 301 proceeding turns into formal action from Washington.
Sources
- Al Jazeera, report on the EU fine of $3.45 billion against Google over ad practices, 5 September 2025, https://www.aljazeera.com/news/2025/9/5/eu-slaps-3-45-billion-fine-on-google-for-unfair-ad-practices
- CNBC, report on the EU antitrust fine against Google, 5 September 2025, https://www.cnbc.com/2025/09/05/google-slapped-by-eu-with-3point45-billion-antitrust-fine.html
- Loyens & Loeff, case note on the European Commission’s EUR 2.95 billion fine over online advertising technology, September 2025, https://www.loyensloeff.com/insights/news–events/news/european-commission-fines-google-eur-2.95-billion-over-abusive-practices-in-online-advertising-technology/