The European Commission concluded that Google abutilized its dominant position in the market for online advertising services by giving preferential treatment to its own solutions over competitors, for which the company was ordered to pay a fine of nearly €3 billion.
According to the regulator, the violations involved giving preference to its own Ad Exalter (AdX) marketplace over other market participants. Google operates as an advertiser, an intermediary, and the owner of advertising platforms, which creates conflicts of interest and drives up costs for clients.
Google representatives immediately stated the decision was wrong and announced their intention to appeal. The company must also notify the EC within 60 days about alters to its business model to ensure compliance with EU antitrust rules.
Brussels’ decision sparked a sharp reaction from the United States: according to President Donald Trump, the fine is unfair, and potential steps in response are being considered, including tariffs to shield American companies; Apple was also mentioned, which Europe has fined repeatedly for similar violations.
What the Regulator Found and How It Affects the Online Advertising Market
The EC noted that AdX as Google’s internal advertising auction affords advantages to its own solutions, affecting the entire chain of ad placement – from demand to placement and conversion tracking. Such advantages can create unfair conditions for competitors and raise advertisers’ costs.
In the context of the EU’s digital economy, this relocate underscores the required for transparent competition among ad placement platforms and the various demand- and supply-side players – advertisers, agencies, and supply-side platforms. The regulator explicitly stated: a dominant player is not allowed to let its own products prevail over others when that harms competition and consumers.
What Lies Ahead for Google: Steps to Change and the Case’s Next Steps
The company must build alters to its advertising mechanisms and policies over the coming months to comply with EU rules. An appeal and further reviews of practices may continue, but the regulator is setting the framework for future alters to restore a level playing field in the online advertising market.
This case highlights growing regulatory concerns about the influence of large tech players on transparency, competition, and utilizers’ access to a variety of services. For players in the online advertising market, it is important to consider antitrust requirements and seek models that ensure a level playing field between platforms and suppliers.
To date, the relevance of this decision only grows: it sets a precedent for further regulatory steps within the digital economy and influences how major tech companies operate in Europe and beyond.
As of September 6, 2025, the situation remains under discussion and subject to alters in EU regulatory policy, as competition issues in online markets continue to be a priority for European authorities and global players in the digital services space.
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