Or Brook leads £5bn lawsuit against Google for overcharging UK businesses

In the UK, Or Brook is leading a £5 billion lawsuit against Google, claiming that the tech giant overcharged nearly 900,000 businesses for search advertising services. The UK Competition Appeal Tribunal has allowed the case to proceed, rejecting Google's argument for an opt-in model and opting for an opt-out approach instead. This legal action reflects broader concerns about Google's market dominance and its financial implications for businesses relying on its advertising services.

Or Brook leads £5bn lawsuit against Google for overcharging UK businesses
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business Published Aug 6, 2026

Topic overview

In brief

  • Or Brook is leading a £5 billion lawsuit against Google for allegedly overcharging UK businesses for search advertising.
  • The UK Competition Appeal Tribunal has allowed the case to proceed using an opt-out model for affected businesses.
  • This lawsuit highlights ongoing concerns about Google's dominance in the search advertising market and its financial impact on UK businesses.

Summary

In the United Kingdom, a significant legal action has been initiated against Google, with the UK Competition Appeal Tribunal allowing a £5 billion lawsuit to proceed. This case is spearheaded by Or Brook, representing thousands of UK businesses and organizations that claim they were overcharged for Google’s search advertising services. The tribunal's decision marks a pivotal moment in the ongoing scrutiny of Google’s practices in the search advertising market, where it is alleged that the tech giant abused its dominant position to inflate advertising prices for nearly 900,000 entities.

The tribunal rejected Google's argument that businesses should have to opt-in to be part of the lawsuit, favoring an opt-out model instead. This decision is significant as it allows a broader range of affected businesses to seek compensation without needing to actively join the lawsuit. Or Brook, who is also a leading competition law academic, expressed satisfaction with the ruling, emphasizing its importance for the many businesses that have faced financial burdens due to Google's pricing strategies.

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Updated Aug 6, 2026

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