Gambling tax and risks of winning outside Cruks

Do you win money in a casino without a Dutch license? Then you must pay the gambling tax to the Tax and Customs Administration yourself. The provider does not arrange this for you. You are required to file a return on gross winnings exceeding €449. The rate is 37.8%. In addition to these tax obligations, playing with illegal providers also entails legal and financial risks.

Tax responsibility at unlicensed providers

Are you looking for information about paying gambling tax on winnings without Cruks? Then it is important to know that the tax responsibility lies entirely with you as a player if you play on a platform without a Dutch license. With legal providers, the operator takes care of this burden, but at an illegal online casino you must file a tax return yourself with the Tax and Customs Administration for any winnings above the exemption threshold.

Difference between legal and illegal providers

The difference lies in the legal obligation of the organizer. Legal providers such as Holland Casino, BetCity or Unibet have a valid license from the Gambling Authority. They remit the gambling tax directly to the state on their gross profit. You always receive the net amount here. There is no further administrative action required.

However, if you play with a provider that is not supervised by the Gambling Authority, often recognizable by the lack of connection to Cruks, then this service does not apply. In that case, you as the prize winner are the taxable party. A common misunderstanding is that losses can be offset against winnings. At illegal providers, this is not tax-deductible: every individual payout above the threshold value counts as a separate taxable event. You cannot offset previous losses within the same session or period.

The role of the Gambling Authority and licenses

The Gambling Authority (Ksa) is the national regulator that determines which parties are allowed to operate legally in the Netherlands. Only organizations that meet strict requirements regarding player protection and integrity receive a license. These license holders are obligatorily connected to Cruks, the central register for exclusion from gambling. This forms a direct link between legal status and prevention of gambling addiction.

A foreign license, such as from Malta or Curaçao, offers no exemption from Dutch legislation if the site targets Dutch players without local authorization. The Ksa maintains a public list of all recognized providers. If a name is missing from this list, the platform operates as an illegal online casino from a tax perspective. Players must realize that they cannot appeal to Dutch consumer protection or dispute committees at these unlicensed sites, while the tax authorities do fully tax the winnings.

The rate of 37.8% and the exemption threshold

For winnings at unlicensed providers, a flat rate of 37.8% gambling tax has applied since October 1, 2021. This tax is due as soon as the gross profit (the prize paid out minus the stake for that specific round) exceeds the exemption limit of €449. This limit applies per prize, not per day or per player.

You must file a return yourself using the form of the Tax and Customs Administration if you win a prize in an online game of chance for which no Dutch license has been granted. Note: the calculation is based on the gross profit. For example, if you bet €500 and won €1000, your gross profit is €500. Because this is above €449, you are taxable on that amount, even though you may break even net or even suffer a loss over the total session. Failure to report on time can lead to additional assessments and fines. The burden of proof lies entirely with the player, which is particularly complex for transactions via cryptocurrency that are difficult to trace for the tax authorities.

Correct tax return procedure with the Tax and Customs Administration

In case of winnings on a platform without a Cruks license, the tax obligation shifts to you as a player. You must pay gambling tax yourself on winnings without Cruks by submitting the 'Gambling Tax Return' form to the Tax and Customs Administration within one month after the payout. This obligation applies as soon as your gross profit exceeds the threshold of €449. The rate of 37.8% is calculated over the full amount without deduction of stakes.

Step-by-step: filling in the return

Use the specific PDF form 'Gambling Tax Return' which is available on the website of the Tax and Customs Administration. The deadline is strict: you must submit it at the latest in the month following the date of the win, and not only during the annual income tax return. It is important to realize that the operator of an illegal casino does not withhold tax. You are fully responsible for the payment to the Dutch state.

Calculation of the taxable profit

For the calculation of the incidental profit, the gross payout is leading, not the net result of your session. At unlicensed sites, offsetting losses against winnings is not tax-deductible. For example, if you win €500 but have staked €400 for it, you pay tax on the full €500. This often makes playing without a license tax-wise more expensive than intuitively assumed, because every individual prize above €449 is taxed separately.

Incidental versus professional gambling

The tax authorities distinguish between incidental winnings and structural income. For most players, gambling winnings fall outside regular income tax, but in the case of 'professional gambling', such as with professional poker players, the winnings can be taxed as income in Box 1. For incidental players, there is no link with Box 3, where assets such as savings and investments are taxed. Winnings from games of chance do not count towards the wealth tax in Box 3, unless the won money remains as savings. Play consciously and take this complex tax boundary into account.

Legal risks and enforcement regarding illegal offer

When you choose to pay gambling tax on winnings without Cruks, you step into a legal gray area with significant financial and operational risks. Although the focus is often on the 37.8% tax assessment, playing with providers without a Dutch license is a violation of the Remote Gambling Act (WKOa). This brings not only tax burdens, but also the real danger of blocked transactions and the lack of consumer protection in case of disputes.

Enforcement policy and possible sanctions

The regulator's enforcement policy is aimed at keeping illegal offers out of the Dutch market. The Gambling Authority actively issues fines to operators who do not comply with the legislation, but players also face risks. As a consumer, you may face enforcement measures for participating in illegal games of chance. This sanction is linked to the legislation that serves as a deterrent against bypassing the Cruks system.

Although enforcement is primarily aimed at the providers, the authorities exchange data to trace violations. The Ministry of Justice and Security supports this strict action by monitoring the legal frameworks within which the Gambling Authority operates. For the player, this means that winning at an illegal casino does not remain anonymous. You are fully responsible for the declaration yourself and run the risk of your gaming behavior being qualified as a criminal offense, in addition to the heavy tax burden.

Payment blocks by banks

Financial transactions to unlicensed casinos are increasingly being blocked. The Dutch Payments Association (Betaalvereniging Nederland) works closely with major banks to block payments via popular methods such as iDEAL and Trustly as soon as they go to blacklists of illegal providers. This makes it difficult to deposit money or, even more importantly, to safely withdraw winnings.

Players therefore sometimes switch to alternatives such as cryptocurrency or Paysafecard. However, when using these methods, any form of consumer protection is lost. Should an operator refuse to pay out, you have no right to assistance from organizations such as AGOG or GamCare, because you participated in an illegal activity. You are financially completely on your own, with no recourse through the Dutch courts.

Dangers of the linking ban

The linking ban is a crucial instrument in the fight against illegal gambling offers. This ban means that it is a criminal offense for companies and websites to link to online casinos that do not have a license from the Gambling Authority. For the player, this has direct consequences for the findability and reliability of these sites.

Because legal affiliate partners and comparison websites are no longer allowed to refer to illegal providers, these casinos disappear from the view of reliable information channels. Players who still find these sites through detours therefore miss essential information about fairness and solvency. There is no longer any independent control over the fairness of the software or the solvency of the provider. The linking ban therefore ensures that whoever plays outside the legal circuit does so without any form of transparency or external validation of the gaming conditions.

Safety and alternatives for responsible gaming

Anyone who chooses to pay gambling tax on winnings without Cruks not only takes on a tax burden, but also misses the legal protection of licensed providers. With legal parties such as Holland Casino and BetCity, the tax is automatically remitted, while players at illegal sites are personally liable and run the risk of enforcement measures.

Risks of cryptocurrency and unregulated payments

Crypto casinos are risky because transactions often fall outside the supervision of the Gambling Authority. Winnings in cryptocurrency must be correctly converted into euros for tax purposes, which creates complex burden-of-proof issues for the Tax and Customs Administration. In addition, these platforms do not offer access to Dutch helplines such as AGOG (Anonymous Gamblers Anonymous) or the Kansspelwijzer, meaning that problematic gaming behavior goes unnoticed. Without the safety nets of Cruks, the link with care institutions such as GamCare is missing, which increases the threshold for assistance.

Recognition of legal providers

Always check for the logo of the Gambling Authority on the website. Providers such as BetCity, Unibet and Holland Casino have a license and pay the gambling tax on their total results, so that you receive a net prize. Illegal sites, recognizable by the absence of this license, leave the tax payment entirely to the player. Playing with unlicensed providers is a criminal offense and offers no legal protection in the event of conflicts.

Help with gambling addiction and self-exclusion

Is gambling getting out of hand? Contact AGOG directly for peer support or consult the Kansspelwijzer for objective information about risks. International organizations such as GamCare also offer support, but local agencies are better tailored to Dutch legislation. Self-exclusion via Cruks is only possible at licensed providers. At illegal casinos, you have to set boundaries yourself, which is extra difficult due to the lack of mandatory deposit limits. Choose safety and only play with providers supervised by the Gambling Authority.

About this article - Editorial standards

— Author: Sarah Weber - Casino Tester & Bonus Analyst
— Fact checked by: Dr. Markus Hoffmann - Senior iGaming Compliance Analyst
— Last updated: 2026-08-11.

This article about "paying gambling tax on winnings without cruks" was written by Sarah Weber and fact-checked by Dr. Markus Hoffmann. Both regularly update the content following changes in regulations, licenses, and bonus terms. All references to licenses, regulators, and laws link to public sources (the local gambling authority, the applicable local gambling law).

About the author

8+ years of experience reviewing casinos, 200+ personally tested platforms within the EU and worldwide. Former member of the eCOGRA Player Advocacy Program (2018-2022). Specialization: wagering requirements, payout processes, and customer service evaluation.

About the reviewer

More than 12 years of experience in the iGaming industry, including 5 years as a compliance consultant for license holders in multiple regulated markets. PhD in economic mathematics. Focus areas: bonus mathematics, wagering analysis, and player protection systems.

Responsible gambling

Gambling can be addictive. If you feel you are losing control of your play, contact the relevant helpline for gambling problems or make use of the national self-exclusion register (the relevant national self-exclusion register). Set personal deposit and loss limits BEFORE you play with real money. Breaks and cooling-off tools from the provider are there to keep gaming manageable.

Legal notice

The information in this article is intended solely for editorial and comparative purposes and does not constitute legal advice. Players are personally responsible for complying with local regulations.