A Warsaw-based technology entrepreneur decides to relocate to Portugal. The company shares she holds – built over a decade – remain in Poland. Within weeks, her tax adviser flags a charge she had not anticipated: exit tax. The bill arrives before she has sold a single asset, triggered solely by the transfer of her tax residence.

Polish exit tax applies when a taxpayer transfers tax residence abroad or moves assets outside Polish tax jurisdiction, causing Poland to lose its right to tax unrealised gains. The charge is calculated on the difference between the market value of qualifying assets and their tax cost at the moment of departure. For individuals, the standard rate is 3 percent on assets valued up to PLN 4 million and 19 percent above that threshold; for companies, the flat rate is 19 percent.

This guide explains the four stages of exit tax exposure: identifying the trigger, calculating the base, choosing a payment structure, and planning ahead to reduce the charge lawfully. Each stage carries its own deadlines and risks. Understanding all four before the move – not after – is what separates manageable tax cost from an unexpected liability that cannot be reversed.

What triggers exit tax under Polish tax law?

Exit tax is triggered by one of three events. First, an individual or company transfers tax residence to another country. Second, a company moves assets or a business function outside Poland in a way that removes them from Polish taxing jurisdiction. Third, an individual permanently transfers an asset abroad. All three events share one feature: Poland loses the right to tax a gain that accrued while the taxpayer was resident here.

Polish tax legislation sets a minimum asset value of PLN 4 million for individuals before exit tax applies. Below that threshold, no charge arises. For legal entities, the threshold is PLN 2 million per transferred asset or business function. These figures matter enormously in planning. A founder holding company shares worth PLN 3.9 million can relocate without triggering the charge; a founder holding PLN 4.1 million worth faces a potential liability of tens of thousands of zlotys.

The National Tax Administration (Krajowa Administracja Skarbowa, KAS) monitors residence transfers closely. Taxpayers who deregister from Polish tax identification records, close Polish bank accounts, or formally notify the Civil Registry (Urząd Stanu Cywilnego) of emigration will typically appear on KAS screening lists. The Ministry of Finance has confirmed that KAS cross-references departure data with property and securities registers held by the National Court Register (Krajowy Rejestr Sądowy, KRS) and the National Depository for Securities (Krajowy Depozyt Papierów Wartościowych, KDPW).

One common misconception deserves attention here. Many founders believe that exit tax only applies when they sell assets after leaving Poland. That is incorrect. The charge is calculated at the moment of departure, regardless of whether any sale occurs. The gain is treated as realised for tax purposes on the day residence is lost – even if the shares remain unsold for years afterward.

  • Transfer of tax residence to another country
  • Transfer of company assets outside Polish jurisdiction
  • Permanent transfer of a qualifying individual asset abroad
  • Loss of Polish permanent establishment for a foreign company
  • Relocation of a business function that carries embedded value

How is the exit tax base calculated?

The taxable base equals the market value of qualifying assets on the departure date, minus the tax cost of those assets. Market value means the price that would be agreed between unrelated parties – a concept familiar from transfer pricing methodology. The tax cost is typically the original acquisition price, adjusted for any depreciation or amortisation already claimed.

For company shares, market value is determined by reference to the net asset value of the underlying company, discounted market comparables, or a formal valuation report. KAS has authority to challenge valuations it considers understated. In practice, a taxpayer who self-assesses a value significantly below an independent appraisal risks a surcharge of 50 percent on the understated amount, plus interest at the statutory rate – currently 8 percent per annum.

Intellectual property creates particular complexity. An IP Box regime asset – a patent, software copyright, or know-how developed in Poland – carries an embedded gain equal to the difference between its development cost and its current market value. We secured a reversal of a tax surcharge exceeding PLN 1.8 million for a technology client in the Mazowieckie region (autumn 2025) by demonstrating that the IP valuation submitted to KAS correctly applied the income-based approach required under Polish tax law. The case turned on documentation quality, not the underlying value.

Assets held through a family foundation (fundacja rodzinna) require separate analysis. The foundation itself is a legal entity; its assets are not owned directly by the founder. A founder who relocates does not automatically trigger exit tax on foundation assets, because the foundation remains a Polish legal entity and the assets remain within Polish jurisdiction. However, if the foundation subsequently distributes assets to a non-resident beneficiary, different rules apply.

What payment options are available?

Polish tax legislation offers two payment structures for exit tax. The first is immediate payment: the full amount is due within 7 days of filing the departure return. The second is instalment payment: taxpayers relocating to a European Union or European Economic Area country may spread the liability over 5 years in equal annual instalments. Choosing incorrectly between the two – or missing the instalment election deadline – forfeits the right to spread the cost and makes the full amount immediately payable with interest.

The instalment option is available only for moves within the EU or EEA. A Polish entrepreneur relocating to Portugal or the Netherlands may elect instalments. One relocating to Singapore or the United States may not. This distinction is not widely understood. Several clients have discovered the limitation only after signing lease agreements in non-EEA jurisdictions – by which point the planning window has closed.

Taxpayers who elect instalments must provide security for the deferred liability. Acceptable forms of security include a bank guarantee, a surety from a creditworthy entity, or a pledge over qualifying assets. KAS must approve the security before the instalment arrangement becomes effective. The approval process typically takes 30 to 60 days. Starting this process after the departure date is not possible; it must run in parallel with the departure planning.

For companies transferring assets or functions, the payment timeline differs. The tax return must be filed within 7 months of the end of the tax year in which the triggering event occurred. The 5-year instalment option is available on the same EU/EEA condition. Companies that transfer assets to a non-EU subsidiary – for example, as part of a group restructuring – face immediate payment with no deferral option.

Three business scenarios: manufacturing, IT, and foreign investor

Exit tax planning looks different depending on the taxpayer's structure and destination. Three scenarios illustrate the range of issues a tax advisor in Warsaw encounters regularly.

Manufacturing founder, Silesia. A Polish individual holds 100 percent of a manufacturing company in the Silesia region. The company's shares are valued at PLN 12 million; the acquisition cost was PLN 500,000. The unrealised gain is PLN 11.5 million. Exit tax at 19 percent produces a liability of approximately PLN 2.185 million. The founder is relocating to Germany – an EU country – so the 5-year instalment option is available. Annual instalments of roughly PLN 437,000 are manageable against the company's dividend stream. The key planning step is completing the valuation and security arrangement before the departure date, not after.

IT entrepreneur, Warsaw. A software developer holds patents and software copyrights previously subject to the IP Box regime. The combined market value of the IP assets is PLN 6 million; the development cost was PLN 800,000. The gain is PLN 5.2 million. Exit tax applies at 19 percent, giving a liability of roughly PLN 988,000. Relocation is to Switzerland – outside the EEA – so no instalment option exists. The full amount is due within 7 days of filing. Pre-departure restructuring, such as transferring the IP to a Polish company before relocating, may reduce or eliminate the individual exit tax charge, but introduces corporate-level considerations. This is exactly the kind of scenario where early engagement with a tax advisor matters most.

Foreign investor exit. A German investor holds a Polish subsidiary through a Dutch holding company. The Dutch company transfers the Polish subsidiary's shares to a Singapore entity as part of a group reorganisation. The transfer removes the shares from Polish taxing jurisdiction. Exit tax at 19 percent applies to the gain embedded in the Polish subsidiary's shares. For context on cross-border digital invoicing obligations that may arise during such restructurings, see our analysis of KSeF Poland obligations for foreign-owned entities. No instalment option is available for the Singapore move; KAS expects payment within 7 months of the tax year end.

We also assisted a Małopolska-based holding structure in obtaining a formal KAS ruling on the exit tax treatment of a cross-border merger (winter 2025). The ruling confirmed that a merger qualifying under EU merger directive implementation did not constitute a taxable transfer, saving the client an estimated PLN 3.4 million in exit tax.

What are the most common planning mistakes – and how to avoid them?

Exit tax planning fails in predictable ways. Identifying the failure patterns in advance is the most efficient form of preparation.

Mistake 1: treating departure as the planning deadline. Exit tax is assessed at the moment of departure. Any restructuring intended to reduce the base – transferring assets to a company, electing instalment payment, arranging security – must be completed before the departure date. Taxpayers who begin planning on the day they deregister their residence find that every option has already closed.

Mistake 2: undervaluing assets. Self-assessed valuations that diverge significantly from market comparables attract KAS scrutiny. The 50 percent surcharge on understated values applies automatically. A professional valuation report, prepared by a certified valuator and documented in a format acceptable to KAS, is not optional for assets above PLN 2 million.

Mistake 3: ignoring family foundation implications. Founders who establish a family foundation before departing sometimes assume the foundation structure eliminates exit tax. It does not eliminate it – it changes its timing and character. The foundation retains Polish tax residency; the founder's personal exit tax exposure depends on what assets remain in their direct ownership at the departure date.

Mistake 4: overlooking KSeF compliance during restructuring. Companies that transfer functions or assets as part of a pre-departure restructuring must maintain full invoicing compliance throughout the process. For Swedish-market operations affected by Polish digital invoicing rules, see our note on KSeF Poland implications for Swedish entities. Gaps in invoicing records have been used by KAS to challenge the stated timing of asset transfers.

  • Begin planning at least 6 months before the intended departure date
  • Commission an independent valuation for all assets above PLN 2 million
  • Confirm destination country EU/EEA status before relying on instalment deferral
  • Arrange KAS-approved security before, not after, filing the departure return
  • Review family foundation and IP Box positions as part of the same planning exercise

Each of these steps has a hard deadline attached to it. Missing any one of them does not merely add cost – it forfeits an option that cannot be recovered after the fact. Personal liability for the full exit tax amount, with interest, is the default outcome when planning is absent.

Your company's specific situation requires analysis before the departure date, not after. An unplanned exit triggers personal liability for the full tax amount, with no right to instalment deferral once the window has closed.

If your structure involves qualifying assets above PLN 4 million and a planned change of tax residence – we will assess the trigger conditions, calculate the base, identify available payment structures, and coordinate the valuation and security process with KAS: info@kordeckipartners.com.

Frequently asked questions

Q: Does exit tax apply if I only spend part of the year abroad?

A: Exit tax is triggered by the loss of Polish tax residence, not by the number of days spent abroad in a single year. Polish tax legislation defines residence by reference to the centre of personal and economic interests (the "centre of vital interests" test) and by the 183-day rule. A taxpayer who spends 200 days in Portugal but retains their primary home, family, and business interests in Poland may still be treated as a Polish tax resident. The exit tax charge arises only when Polish residence is conclusively lost. Partial-year absence, without a formal change of the centre of vital interests, does not trigger the charge.

Q: How long does the KAS approval process for instalment security take, and what does it cost?

A: The approval process typically takes between 30 and 60 days from the date of the complete security application. KAS may request additional documentation, which can extend the timeline. The cost of the security itself – a bank guarantee or surety – depends on the amount deferred and the creditworthiness of the guarantor. Bank guarantee fees in Poland typically range from 0.5 percent to 1.5 percent of the guaranteed amount per year. For a PLN 2 million deferred liability spread over 5 years, the total guarantee cost might reach PLN 150,000 over the deferral period. This cost must be weighed against the cash-flow benefit of not paying the full amount immediately.

Q: Can a family foundation eliminate exit tax exposure for a departing founder?

A: A family foundation does not eliminate exit tax – it changes the structure of exposure. Assets transferred to the foundation before the founder's departure are removed from the founder's direct ownership. They are not subject to exit tax in the founder's hands at the point of departure, because they no longer belong to the founder. However, the foundation itself remains a Polish legal entity subject to Polish tax law. If the foundation later distributes assets or income to a non-resident beneficiary, separate tax consequences arise. Establishing a family foundation solely to avoid exit tax, without genuine succession or asset-protection rationale, also carries anti-avoidance risk under the General Anti-Avoidance Rule (GAAR) provisions of Polish tax law.

About KORDECKI & Partners

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 KSeF compliance. 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.