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Taxes on Selling an Online Business in Poland: A Complete Guide

Tips for Digimarket.info entrepreneurs on optimizing tax burdens and effectively managing online business sales in Poland.

July 30, 2026· Redakcja Digimarket

Taxes on Selling an Online Business in Poland: A Complete Guide for Digimarket.info

For many entrepreneurs, selling an online business is the culmination of years of hard work and investment. Whether your venture is a thriving e-commerce store, an innovative SaaS platform, or a profitable affiliate website, the transaction process involves not only valuation and negotiations but also crucial tax considerations. Neglecting this aspect can significantly reduce the net amount that lands in your pocket. This guide aims to provide practical advice on navigating Polish tax regulations for both sellers and buyers of online businesses on a platform like Online Business Deals">Digimarket.info.

Qualifying the Subject of Sale: What Exactly Are You Selling?

The first and most important step is to precisely define what is being transacted. The scope and amount of taxes due depend on this definition.

Sale of an Organized Part of an Enterprise (OPE)

According to Article 4a, point 4 of the CIT Act and Article 5a, point 4 of the PIT Act, an OPE is a collection of tangible and intangible assets intended for specific economic tasks, which could constitute an independent enterprise. In the context of an online business, this could be, for example, a profitable Digimarket.info">e-commerce store along with its customer base, software, domain, supplier contracts, and know-how.

  • VAT: The sale of an OPE is typically exempt from VAT based on Article 6, point 1 of the VAT Act. This is a significant advantage, eliminating the need to calculate and remit 23% tax.
  • CIT/PIT: The income from the onerous disposition of an OPE is the difference between the sales revenue and the value of assets comprising the OPE, reduced by the unamortized value of fixed assets and intangible assets. The rates are 19% CIT for companies or 19% PIT for individuals running a sole proprietorship. Sellers will pay tax on the profit from the sale, not on the entire transaction value.

Sale of Individual Assets or Rights

If you are selling only a domain, database, software, a ready-made website (without the key components of an OPE), or company shares, each of these transactions has different tax implications.

  • Sale of Domain/Software/Copyrights: If the sale occurs within the scope of business activity, it constitutes income from that activity, taxed appropriately with CIT (19% or 9% for small taxpayers) or PIT (according to the chosen form of taxation: tax scale 12%/32%, flat rate 19%, lump-sum tax on registered income 8.5% or 12%). For PIT, for individuals not conducting business activity, the sale of property rights may be taxed at 19% as capital gains (Article 10, para. 1, point 7 in conjunction with Article 17, para. 1, point 9 of the PIT Act). VAT is usually 23%.
  • Sale of Shares in a Company: This is the most common form of selling large online businesses. The income is the selling price of the shares. The cost of obtaining income is the expenses actually incurred for the acquisition of these shares. This is taxed at a rate of 19% PIT (for individuals) or 19% CIT (for other companies). These transactions are usually exempt from VAT.
  • Remember: The distinction between an OPE and individual assets is crucial. An OPE is capable of independent operation. An individual asset is not. Always consult with a tax advisor to avoid incorrect classification, which can have serious financial consequences.

Income Tax (CIT and PIT) on Sale

Income tax is usually the largest burden when selling a business.

For Sellers Who Are Individuals (PIT)

If you run a sole proprietorship and sell your e-commerce store, SaaS application, or blog as part of that business, then:

  • Sale of OPE: Income is the difference between the selling price and the sum of asset values included in the OPE, increased by the unamortized value. Taxation is 19% flat-rate tax (if you settle business income this way) or according to the tax scale (12%/32%).
  • Sale of individual assets: If you sell, for example, only a customer base, the revenue from this sale is treated as business income and taxed according to the chosen form (flat-rate, scale, lump-sum). For lump-sum taxpayers, the sale of property rights (e.g., copyrights to code) may be taxed at 8.5% or 12% (sale of copyrights to computer programs).
  • Sale of shares: If the business operated as a limited liability company (sp. z o.o.) or joint-stock company (SA), as an individual, you sell shares. The income (selling price minus acquisition cost) is taxed at a 19% capital gains tax rate (often referred to as "Belka tax") (Article 30b of the PIT Act).

For Sellers Who Are Companies (CIT)

If the seller is a capital company (e.g., sp. z o.o., SA), then:

  • Sale of OPE: Income from the sale of an OPE is treated as income from operating activities and taxed at 19% CIT. Small taxpayers (annual revenues up to EUR 2 million, roughly $2.2 million USD) may benefit from a 9% CIT rate on profit, provided they do not exceed this limit in the tax year.
  • Sale of individual assets: Similar to the above, income is taxed at 19% (or 9%) CIT.
  • Sale of shares in a subsidiary: Income (selling price minus acquisition cost) is taxed at 19% CIT. However, there are exemptions, for example, for holding companies meeting certain criteria (Article 22, para. 4b and 4c of the CIT Act), where income may be exempt from taxation up to 95%.

Value Added Tax (VAT)

VAT is another significant element that can greatly affect the financial liquidity of a transaction.

  • Sale of OPE: As mentioned, it is usually exempt from VAT. This is beneficial for both the seller (does not have to calculate and remit VAT) and the buyer (net price is the gross price).
  • Sale of individual assets/rights: Typically subject to a 23% VAT rate if the seller is an active VAT taxpayer and the subject of the sale is used in taxable activity. Examples: sale of software licenses, sale of internet domains, sale of databases.
  • Sale of shares in a company: Exempt from VAT (according to Article 43, para. 1, point 12 of the VAT Act).

Important note: A buyer who acquires assets subject to VAT (e.g., software) can usually deduct the input VAT if they use them for their own taxable activity. In the case of an OPE sale, the buyer does not deduct VAT because there is none. Always ensure that the parties properly document the transaction and settle VAT to avoid problems with the tax office.

Tax on Civil Law Transactions (PCC)

PCC mainly concerns the buyer and is levied on certain transactions.

  • Sale of OPE: The transaction is subject to PCC if the sale of the OPE is not subject to VAT or is exempt from it. The tax is 2% of the market value of the OPE (Article 1, para. 1, point 1 lit. a of the PCC Act). In most cases where the sale of an OPE is exempt from VAT, the buyer will pay 2% PCC.
  • Sale of shares in a company: The PCC tax is 1% of the market value of the shares. The obligation to pay rests with the buyer and must be settled within 14 days from the date of the agreement (Article 3 of the PCC Act). A notary usually collects PCC on behalf of the buyer.
  • Sale of individual assets: If the transaction is subject to VAT, it is exempt from PCC. If it is not subject to VAT (e.g., sale by an individual not conducting business activity), it may be subject to PCC at a rate of 2% (e.g., sale of goods) or 1% (e.g., sale of property rights). The key is who the party is and whether they act within the scope of business activity.

Tax Optimization and Transaction Planning

Proper preparation for a transaction can lead to significant tax savings.

1. Transaction Structure

  • Analysis of legal forms: Consider whether you are selling company shares, an OPE, or individual assets. Selling shares is often simpler and more predictable tax-wise (VAT-exempt, lower PCC on shares). Selling an OPE, although VAT-exempt, can be more complex legally and accounting-wise.
  • Transformations: Sometimes, before selling, it is worth considering transforming a sole proprietorship into a capital company (e.g., sp. z o.o.) and only then selling the shares. However, this process must be planned sufficiently in advance to meet the conditions of "tax neutrality" (e.g., Article 10, para. 1, point 8a of the PIT Act) and avoid additional burdens.

2. Tax Due Diligence

Both buyer and seller should conduct due diligence. For the seller, it's an opportunity to organize documentation and eliminate risks that could lower the price or cause tax disputes after the transaction. For the buyer, it's protection against acquiring a business with hidden tax liabilities.

  • Analysis of settlement history: Verification of balance sheets, VAT, CIT/PIT declarations against facts.
  • Verification of contracts: Are contracts with clients and suppliers properly structured from a tax perspective?
  • E-commerce risks: Did the online store correctly settle VAT when selling abroad (WSTO - One-Stop Shop for e-commerce)? Did it have appropriate consents for personal data processing (GDPR)?

3. Planning for Costs of Obtaining Revenue

Optimizing income tax often comes down to correctly recognizing costs of obtaining revenue. Ensure that you have documented all expenses that objectively contributed to the creation or increase in value of the business being sold (e.g., software purchase, marketing investments, website development).

4. Payment Schedule and Its Tax Impact

The timing of receiving payments is spread over time, which also translates into the moment income arises and tax liability. This should be considered in negotiations.

5. Contractual Provisions

The sales agreement should clearly define tax matters:

  • Responsibility for tax liabilities: Who is responsible for liabilities arising before and after the transaction date?
  • Representations and warranties: The seller should make representations regarding the absence of tax arrears, and in the event of their occurrence, appropriate safeguards for the buyer.
  • Price adjustments: Is there a price adjustment mechanism, e.g., based on financial results after the transaction (earn-out), which also affects the moment of taxation.

Example Scenarios and Their Settlement

Scenario 1: Sale of a Profitable E-commerce Store as an OPE

Mr. Jan, running a sole proprietorship, sells his e-commerce store, which generates an annual profit of PLN 300,000 (approx. $75,000 USD). The store includes a domain, hosting, software, customer base, supplier contracts, and inventory. The selling price is PLN 1,000,000 (approx. $250,000 USD). The book value of the store's assets (after depreciation) is PLN 200,000 (approx. $50,000 USD).

  • Qualification: Organized Part of an Enterprise.
  • VAT: VAT exemption. The buyer does not pay VAT.
  • PCC: The buyer will pay 2% PCC on PLN 1,000,000 = PLN 20,000 (approx. $5,000 USD).
  • PIT (Mr. Jan settles with a 19% flat rate): Income from sale = PLN 1,000,000 - PLN 200,000 = PLN 800,000 (approx. $200,000 USD). PIT = PLN 800,000 * 19% = PLN 152,000 (approx. $38,000 USD).

Scenario 2: Sale of Shares in an LLC Owning a SaaS Platform

Ms. Anna owns 100% of the shares in TechSolutions sp. z o.o. (LLC), which developed an innovative SaaS platform. She bought these shares 5 years ago for PLN 100,000 (approx. $25,000 USD). She is now selling them for PLN 5,000,000 (approx. $1,250,000 USD) to an investor.

  • Qualification: Sale of shares in a capital company.
  • VAT: Exempt from VAT.
  • PCC: The buyer (investor) will pay 1% PCC on PLN 5,000,000 = PLN 50,000 (approx. $12,500 USD).
  • PIT (Ms. Anna): Income from sale = PLN 5,000,000 - PLN 100,000 = PLN 4,900,000 (approx. $1,225,000 USD). PIT (Belka tax) = PLN 4,900,000 * 19% = PLN 931,000 (approx. $232,750 USD).

Scenario 3: Sale of Copyrights to an Online Game Engine by a Programmer (Sole Proprietor, Lump-sum Taxpayer)

Mr. Tomek, a programmer running a sole proprietorship taxed on a lump-sum basis (12% rate), sells the copyrights to a game engine he created to a large company. Price: PLN 500,000 (approx. $125,000 USD). These rights are treated as property rights.

  • Qualification: Sale of property rights within a business activity.
  • VAT: 23% VAT (if Mr. Tomek is a VAT taxpayer). PLN 500,000 + 23% VAT = PLN 615,000 gross. Mr. Tomek will remit PLN 115,000 VAT to the tax office.
  • PCC: Exempt from PCC, as the transaction is subject to VAT.
  • Income tax (lump-sum tax on registered income): Revenue = PLN 500,000. Lump-sum rate 12% (according to Appendix No. 2 to the Act on Lump-Sum Income Tax on Certain Revenues Earned by Natural Persons, item 17). Tax = PLN 500,000 * 12% = PLN 60,000 (approx. $15,000 USD).

Summary and Recommendations

Taxes on selling an online business are a complex matter that requires in-depth analysis and strategic planning. There is no single "golden rule," as each case is unique. The key to success is precise qualification of the transaction subject and understanding the implications of PIT, CIT, VAT, and PCC.

Key recommendations:

  1. Plan early: Begin your tax analysis long before the planned transaction to allow time for structural optimization.
  2. Consult experts: Always work with an experienced tax advisor and lawyer specializing in M&A and e-commerce transactions. This is an investment that can protect you from costly mistakes.
  3. Document, document, document: Ensure that all financial and legal documentation is complete and organized. This will be crucial for due diligence and in case of a tax audit.
  4. Clear contractual provisions: The sales agreement should transparently define tax settlement rules and party responsibilities.

The M&A market for online businesses in Poland is dynamically developing. Proper management of tax aspects will allow you to maximize profits from the sale and confidently navigate the entire process. Remember that Digimarket.info is a platform that helps connect buyers and sellers, but the final tax matters are always your responsibility. Take advantage of available resources and experts to execute a successful transaction.

Frequently Asked Questions (FAQ)

Is the sale of an internet domain subject to VAT?

Yes, if the seller is an active VAT taxpayer and the domain was used in their business activity, the sale of the domain will be subject to 23% VAT. If the sale occurs outside business activity (by an individual), VAT will not apply, but PCC may arise.

Can I avoid tax on selling an internet company if I sell it abroad?

No, the seller's place of residence (for PIT) or the company's registered office (for CIT) in Poland determines the tax obligation. Regardless of the buyer's location, Polish tax residents must settle income from the sale of a company according to Polish law. Any avoidance of double taxation is regulated by international agreements.

What are the main tax differences between selling an OPE and selling shares?

The sale of an OPE is typically VAT-exempt and subject to 2% PCC for the buyer, with the seller paying CIT/PIT on the profit. The sale of shares is VAT-exempt and subject to 1% PCC for the buyer, with the seller paying 19% PIT/CIT on capital gains. The choice depends on the business's specifics and the parties' goals.

Can I include preparation costs for sale (due diligence, advisors) as a cost of obtaining revenue?

Yes, expenses incurred for advisory services (legal, tax, financial) directly related to the sale process, aimed at generating revenue or securing its source, generally constitute a cost of obtaining revenue. It is important that they are properly documented.

What is an earn-out clause and how does it affect taxes?

An earn-out clause is a mechanism where part of the price depends on the future financial results of the sold business. This means payments can be spread over time. Taxable income arises at the moment of actual receipt of payment, which can spread the tax burden over several years. This requires precise contractual provisions.

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