A technology founder based in Warsaw had spent six years building a software company. When a Dutch private equity fund offered to acquire a controlling stake, the founder began planning to relocate his personal tax residence to the Netherlands. His advisors had flagged the transaction itself. Nobody had flagged the exit tax.
Polish exit tax applies when a taxpayer transfers assets, a business, or tax residence outside Poland, subjecting unrealised gains to immediate taxation at the moment of departure or transfer. For individuals, the standard rate is 3% on the value of assets exceeding PLN 4 million. Failure to recognise the trigger before relocation forfeits the chance to restructure – the liability crystallises on the day residence is lost.
This case study traces how we identified the exposure, quantified it, and structured a compliant solution before the founder's relocation date. The lessons apply to any founder, shareholder, or corporate treasury officer considering a cross-border move involving Polish-held assets.
What triggered exit tax in this case?
The founder held shares in a Polish limited liability company (spółka z ograniczoną odpowiedzialnością, sp. z o.o.) valued at approximately PLN 18 million. He also held intellectual property rights licensed through an IP Box regime arrangement. Both asset classes fell squarely within the scope of Polish exit tax under personal income tax legislation.
Exit tax is triggered by three distinct events under Polish tax law. First, a taxpayer ceases to be a Polish tax resident. Second, assets are transferred to a foreign permanent establishment. Third, a Polish permanent establishment is liquidated. In this founder's case, the planned relocation to the Netherlands activated the first trigger on the day he established a new centre of vital interests abroad.
The taxable base is the difference between market value at the date of exit and the historical acquisition cost. For shares in a closely held company, market value is not self-evident. The National Revenue Administration (Krajowa Administracja Skarbowa, KAS) uses independent valuations and may challenge a taxpayer's own estimate. The founder had assumed his shares were worth their book value. They were not.
One detail that surprised the client: the IP Box preferential rate of 5% does not shield intellectual property from exit tax. The two regimes operate independently. Assets qualifying for IP Box treatment are still subject to exit tax at departure.
How did we structure the response?
The strategy rested on three pillars: accurate valuation, instalment payment planning, and timing the relocation date. Polish income tax legislation permits individuals to pay exit tax in instalments over five years when relocating to a European Union or European Economic Area member state. The Netherlands qualified. That single provision reduced the immediate cash burden from a lump sum exceeding PLN 400,000 to a manageable annual payment.
We engaged a certified business valuer to produce a defensible market-value report for the sp. z o.o. shares. The valuation was completed within three weeks – critical, because the relocation date was fixed by the acquisition timetable. Undervaluing the shares to reduce the tax base would have exposed the founder to a KAS audit and penalties of up to 120% of the understated tax. Overvaluing would have increased the liability unnecessarily. Precision mattered.
We also reviewed the IP Box arrangement. The intellectual property had been partially transferred to a Dutch entity as part of the acquisition structure. That transfer constituted a separate exit tax trigger – an asset transfer to a foreign entity – independent of the founder's personal relocation. Two triggers, not one, were in play simultaneously.
We secured interim documentation confirming the founder's Polish tax residence up to a specific date. That record established the precise moment of exit for both triggers and anchored the taxable base calculation. Without it, KAS could have argued for an earlier exit date, increasing the accrued gain.
We worked alongside the transfer pricing team to ensure that the IP transfer was priced at arm's length. Transfer pricing documentation and exit tax valuation had to be consistent. A gap between the two would have created audit risk under both regimes. This cross-practice coordination – tax advisory, transfer pricing, and corporate – compressed a process that typically takes months into six weeks.
What lessons does this case carry for founders and investors?
The most transferable lesson is timing. Exit tax planning must begin before any public signal of relocation. Once a founder announces departure or a share transfer is registered with the National Court Register (Krajowy Rejestr Sądowy, KRS), the taxable event may already have occurred. The five-year instalment option, the valuation window, and the ability to restructure asset ownership all close at the moment of trigger.
We obtained a favourable instalment schedule for a founder in the Mazowieckie region (spring 2026), reducing the immediate tax outflow by over PLN 320,000 compared to a lump-sum payment. In a separate matter, we identified a dual-trigger situation for a German investor's holding structure in Lower Silesia (autumn 2025) before the corporate reorganisation was filed – avoiding a penalty exposure that would have exceeded EUR 80,000.
Four practical checkpoints apply to any cross-border situation involving Polish-held assets:
- Identify all asset classes held in Poland – shares, IP, real property interests, and receivables each carry separate exit tax treatment.
- Obtain a market-value opinion before the relocation date, not after.
- Confirm the destination country's EU/EEA status to access the instalment option.
- Align exit tax valuation with any transfer pricing documentation covering the same assets.
A family foundation (fundacja rodzinna) established before relocation can, in certain structures, hold Polish assets without triggering individual exit tax at the moment of the founder's departure. This is not a universal solution – the foundation must be established and assets contributed while the founder is still a Polish tax resident, and contribution itself may attract tax. However, for founders with long planning horizons, the family foundation route deserves analysis alongside exit tax modelling. Businesses navigating KSeF compliance obligations – detailed in our KSeF deadline timeline for companies in Germany – face similarly compressed planning windows when Polish digital invoicing rules intersect with cross-border structures.
Foreign investors should note that exit tax exposure is not limited to individuals. A Polish company transferring assets to a foreign branch triggers corporate exit tax. The rate is 19% on unrealised gains. For businesses already managing GDPR obligations – see our analysis of GDPR fines in Poland and UODO enforcement trends – the compliance burden of an unplanned exit tax assessment adds a second enforcement vector that boards rarely anticipate.
Swedish-market operators with Polish subsidiaries face an analogous planning gap. Our overview of what KSeF means for your business in Sweden illustrates how Polish regulatory changes reach foreign parent structures in ways that require local tax advisory input, not just group-level coordination.
The core principle remains constant: exit tax is a one-time, irreversible crystallisation of liability. Once triggered, the taxable base is fixed. Planning after the trigger is damage limitation. Planning before it is strategy.
Your company's specific situation may involve asset classes or holding structures that interact with exit tax in ways that are not immediately visible. Waiting until the relocation date or transaction closing forfeits the restructuring options that reduce exposure permanently.
To receive an expert assessment of your exit tax exposure before your next cross-border transaction, contact info@kordeckipartners.com.
Frequently asked questions
Q: Does exit tax apply if I relocate to a non-EU country such as the United States?
A: Yes – exit tax is triggered regardless of the destination country. However, the five-year instalment payment option is available only when relocating to a European Union or European Economic Area member state. Relocation to the United States or another third country requires the full exit tax liability to be paid within seven days of the tax return deadline for the year of departure. Early planning is essential to arrange the necessary liquidity.
Q: How does KAS determine the market value of shares in a private company for exit tax purposes?
A: The National Revenue Administration applies income-based, asset-based, or market-comparable valuation methods depending on the company's profile. KAS may reject a taxpayer's own valuation and commission an independent expert at the taxpayer's cost if the declared value appears understated. A professionally prepared valuation report, completed before the exit date, is the most effective way to anchor the taxable base and reduce audit risk. The report should be consistent with any transfer pricing documentation covering the same entity.
Q: Is a Polish family foundation a reliable way to avoid exit tax on departure?
A: A family foundation can defer or restructure individual exit tax exposure, but it is not an automatic exemption. Assets must be contributed to the foundation while the founder remains a Polish tax resident, and the contribution itself may trigger a taxable event depending on asset type. The foundation is most effective when established at least twelve months before the planned relocation, giving time to test the structure against KAS scrutiny. A tax advisor in Warsaw familiar with both exit tax and family foundation legislation should model the specific scenario before any assets are transferred.
KORDECKI & Partners is a law firm based in Warsaw and Krakow, advising business clients across 30 jurisdictions. Our team combines expertise in Polish and international law with a practical approach to exit tax planning, transfer pricing, IP Box structuring, and cross-border tax advisory. We work with Polish entrepreneurs, foreign investors, and in-house legal teams. To discuss your situation, contact info@kordeckipartners.com.
Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. KORDECKI & Partners assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@kordeckipartners.com.