• The Kansspelautoriteit reported more than 4,600 illegal gambling advertisements to Meta during April, with the ads appearing on Facebook and Instagram and promoting unlicensed operators targeting Dutch consumers
• The KSA flagged that illegal operators frequently use the names and logos of well-known Dutch athletes and major brands to increase the perceived legitimacy of their advertising
• The Netherlands' regulated online gambling market shrank by 18.5% in 2025, with the KSA estimating the illegal online market at €617 million in the first half of the year compared to €600 million for the legal market
• While approximately 94% of Dutch players gambled exclusively with licensed operators in the first half of 2025, those operators captured only 49% of gross gambling revenue, indicating that a smaller group of heavier-spending players is moving outside the regulated system
• The action against Meta follows similar criticism from the UK Gambling Commission earlier this year, with executive director Tim Miller publicly challenging the platform over its handling of unlicensed gambling advertising

Meta Has Become a Battleground for European Gambling Regulators

The Netherlands has stepped up its pressure on Meta over illegal gambling advertising, with the Kansspelautoriteit confirming it reported more than 4,600 unlicensed gambling adverts to the social media giant during April alone. The volume reflects what regulators across Europe are increasingly framing as a structural problem: social media platforms have become primary distribution channels for unlicensed gambling operators targeting consumers in regulated markets, and the moderation systems those platforms operate are not keeping pace with the scale of the activity.

The KSA's statement on the matter was direct. The regulator confirmed that illegal gambling providers place large numbers of advertisements on social media, frequently using the names and logos of well-known Dutch athletes and major brands to lend credibility to their offerings. That tactic is particularly insidious because it specifically targets the consumer's instinct to verify legitimacy through familiar references. The KSA acknowledged that for ordinary users, distinguishing a licensed operator from an unlicensed one based on advertising alone is often genuinely difficult.

The pressure on Meta extends beyond the Netherlands. The UK Gambling Commission has voiced similar concerns earlier this year, accusing the company of failing to curb advertising for unlicensed casinos on Facebook and Instagram, including promotions specifically targeting users searching for sites "not on GamStop", a reference to the British self-exclusion scheme. Tim Miller, the Commission's executive director, used pointed language at an industry event in January, describing Meta's ad library as a window into criminality and challenging the company over what he characterised as a deliberate choice not to look for the violations regulators were able to identify themselves.

Meta's public position has consistently been that it enforces strict policies on gambling advertising and removes ads that violate those rules once identified, while emphasising ongoing collaboration with regulators and continuous improvement to its proactive detection tools. The gap between that stated commitment and the volume of violations regulators continue to identify is at the heart of the dispute.

For the Netherlands, the Meta advertising issue is no longer simply an enforcement matter. It connects directly to a far more uncomfortable debate about the structural health of the country's regulated gambling market. The KSA's annual report documented an 18.5% decline in the legal online gambling sector in 2025. The regulator's own estimate placed the illegal online market at €617 million in the first half of the year, marginally larger than the €600 million generated by the legal market over the same period.

The split between participation rates and revenue channelisation tells the most concerning part of the story. Approximately 94% of Dutch players gambled exclusively with licensed operators in the first half of 2025, but those operators captured only 49% of gross gambling revenue. The mathematics of that disparity is unforgiving: a small minority of high-value players is generating roughly half of the country's gambling revenue, and that minority is increasingly choosing to play outside the regulated framework where deposit limits, affordability checks and duty-of-care obligations do not apply.

The KSA has acknowledged that the decline in revenue channelisation may be linked to players migrating to illegal sites following the introduction of new protection measures in October 2024. Licensed operators have argued consistently that tighter advertising restrictions, the completion of the sports sponsorship ban last July, higher gambling tax and stricter customer due diligence requirements have collectively made the regulated market less competitive against unlicensed alternatives that face none of the same constraints.

In that context, illegal advertising on social media is not a peripheral problem. It is the marketing infrastructure through which the unlicensed market reaches the high-value players that regulated operators have lost. The KSA has confirmed that recent collaboration with companies and organisations has focused specifically on illegal advertising on social media, including how brands can protect their own logos and identities from being co-opted by unlicensed operators.

The Channelisation Numbers Are the Real Crisis

The 4,600 illegal advertisements reported to Meta in a single month is a striking figure, but it is downstream of a more fundamental problem the Netherlands now confronts. A regulated market where 94% of players are licensed but only 49% of revenue is captured within the regulated system is a market where the regulatory framework has lost the high-value player segment that determines its commercial viability. That outcome is not a failure of consumer education or advertising enforcement alone. It reflects a structural mismatch between the protection measures imposed on the licensed market and the absence of equivalent constraints in the unlicensed alternative. Resolving the Meta advertising issue would help close one channel of player migration, but the underlying economics that make migration attractive in the first place would remain unchanged.

Social Media Platforms Are Becoming the New Front Line of Gambling Regulation

The escalating pressure on Meta from both the KSA and the UK Gambling Commission signals a shift in regulatory strategy that has implications well beyond the gambling sector. Regulators have historically focused enforcement efforts on the operators directly. The growing attention now being paid to the platforms that host illegal advertising reflects a recognition that without addressing the distribution layer, enforcement against individual offshore operators is effectively a game of whack-a-mole. Tim Miller's framing of Meta needing to pick a side was deliberately confrontational, and it points toward a regulatory environment where platforms may face more direct accountability for the gambling advertising they carry. The legal mechanisms for that accountability are not yet fully developed in most jurisdictions, but the political and reputational pressure on Meta and similar platforms is clearly building.

The Netherlands Is Becoming a Cautionary Case Study for European Regulators

The trajectory of the Dutch market over the past two years is increasingly being cited by industry observers as evidence of what happens when consumer protection measures are introduced without simultaneous and effective action against the unlicensed market. An 18.5% decline in the legal sector while the illegal market expands to a comparable size is the precise outcome that licensed operators warned would follow the introduction of October 2024's protection measures, and it is the same dynamic that operators in the UK are warning could result from the Remote Gaming Duty hike that took effect last month. The Netherlands' experience is not destiny for other European markets, but it is a credible warning about the importance of treating channelisation, advertising enforcement and regulatory tightening as a single integrated policy challenge rather than as separate workstreams.