The Box 3 recovery operation has started: €10 billion reimbursement
The tax authorities are currently correcting old Box 3 assessments and refunding the difference to those who are entitled. We support you easily and quickly to claim the maximum amount from the tax authorities.
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More than 2.3 million people are entitled to compensation.
Learn how actual and fictitious returns work and how much money you can get back.
How do I get maximum compensation?
We make it simple and clear.
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Box3 Background
Between 2017 and 2024, millions of Dutch citizens paid Box 3 tax based on a fictional return that was often much higher than their actual earnings.
The Supreme Court has ruled this unjust, and now the government is required to compensate those affected. Roughly €6.4 billion has been reserved for this.
But this doesn’t happen automatically.
Only if you calculate and substantiate your actual return will you receive full compensation.
That’s exactly what Box3.nl helps you do.
How It Works
You don’t have to calculate anything yourself we take care of it all.
You receive a letter from the Dutch Tax Authority (starting July 2025).
You upload your documents — savings, investments, real estate, etc.
Our tax experts calculate your actual return, with full legal justification.
We submit everything to the Tax Authority. You receive your refund with interest (on average €2,500–€5,000).
Waarom krijg je geld terug?
Box 3-belasting werd jarenlang berekend op fictieve rendementen. De Hoge Raad heeft bepaald dat dit onrechtmatig was. Wij helpen je het juiste bedrag terug te vragen.
Hoe werkt het?
Your investments are taxed based on fixed assumptions. Adjust this to your actual portfolio value.
Vul je gegevens in.
Direct inzicht in jouw mogelijke teruggave.
Wij begeleiden je bij de volledige aanvraag.
Binnen enkele maanden uitgekeerd.
Why Not Just Use a
Regular Accountant?
Box 3 recovery is more than just filling out a basic tax form.Without a solid calculation, you’ll likely only receive a standard, reduced compensation from the tax authority.
Box3.nl provides:
- Legally substantiated analysis
- Verified actual returns
- Thorough submission and follow-up
- Maximum refund including interest
In more complex cases, this often leads to €1,000–€4,000 more than the standard approach.
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News:
Risk? None. You Choose How to Pay.
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What If You Do Nothing?
If you ignore the process, you’ll only receive the flat-rate compensation — which is usually much lower.
You only get one shot to do it right. After that, filing an objection is often no longer possible.
Do the box3 refund check in 5 minutes
Got a question? We'll help you out.
Frequently asked questions
Box 3 is the tax rate that the Tax Administration uses for taxing your assets, such as savings, investments and real estate. The tax is levied on a fictitious return (estimated return), instead of the actual return you have achieved.
For years, the tax authorities used a fictitious return that was often higher than the actual return on your savings or investments. As a result, you paid tax on more money than you had actually earned. This is why millions of Dutch people have unfairly paid too much tax.
If you had assets in Box 3 between 2017 and 2022, chances are you paid too much tax. You can join Box3.nl have your situation checked. We calculate your actual return and give you insight into how much you may be able to get back.
The restoration of Box 3 is carried out by the tax authorities, but you must take action yourself. You submit your actual return and request a review of your tax bill. Box3.nl helps you with this process by calculating your return and submitting your application to the tax authorities.
If you take no action, you will probably only receive the fixed recovery amount from the tax authorities. This is often much lower than what you can actually receive. It is therefore important to take action yourself to get the full recovery amount.
The flat-rate return is a percentage of your assets estimated by the tax authorities, which are subject to tax. The actual return is the actual return you have achieved on your savings or investments. The difference between the two can lead to excessive taxation.
Bee Box3.nl you can choose no cure, no pay, where you only pay if you actually receive a refund. The costs are 20% of the refund amount. If you prefer to pay a fixed rate, we offer a fixed price option of €299 for the entire request.
Processing time varies, but after your application has been submitted to the tax authorities, it can take up to 6 months to receive your refund. This depends on the speed of the tax authorities and whether additional information is required.
Unfair tax rate on your investments?
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