Quick answer
Paying a US company from Poland generally benefits from the 1974 US-Poland Income Tax Convention, which provides for a 0% withholding tax on most services, and reduced rates on dividends and royalties. Payments can be efficiently made via SEPA for EUR transactions, SWIFT for USD, or local Polish bank transfers. While straightforward payments are manageable, Keystone Bridge can assist with optimising payment corridors and ensuring full tax treaty compliance for more complex scenarios.
The regulatory picture
As an EU member, Poland's financial environment is overseen by the National Bank of Poland (NBP), which manages monetary policy, foreign exchange reserves, and the payment system, including publishing official exchange rates for the Polish Złoty (PLN). [1]
Poland's EU membership has largely liberalised its capital account, abolishing restrictions on foreign exchange turnover with other EU states. [2] While no significant restrictions exist on outbound USD payments for legitimate business, certain transactions may require NBP reporting for statistical and AML purposes. [3]
The 1974 US-Poland Income Tax Convention (the "US-Poland Tax Treaty"), in effect since 22 July 1976, governs the tax relationship between the two nations, aiming to prevent double taxation and foster cross-border economic activity. [4]
The treaty establishes specific withholding tax (WHT) rates for income flowing from Poland to the US:
- Services (Independent Personal Services): Article 15 generally exempts professional services from WHT in Poland (0%), provided the US individual is not present in Poland for 183 days or more and no permanent establishment exists. [4]
- Dividends (Article 11): WHT is 5% for corporate shareholders holding at least 10% of voting stock, and 15% for all other dividends. [4]
- Interest (Article 12): Generally exempt from WHT (0%). [4]
- Royalties (Article 13): Limited to 10% WHT. [4]
These treaty rates supersede higher domestic Polish WHT rates (e.g., 19% for dividends, 20% for interest, royalties, and intangible services). A valid W-8BEN-E form is essential for US companies to claim treaty benefits. [5]
Common mistakes
Common mistakes made by Polish entrepreneurs when paying US companies include:
- Missing W-8BEN/W-8BEN-E forms: Without these, higher domestic WHT rates may apply instead of treaty benefits.
- Inaccurate US bank details: Errors in SWIFT codes or account numbers cause delays and extra fees.
- Hidden currency conversion costs: Unfavourable exchange rates and fees from banks or providers can inflate costs.
- Misclassifying payment types: Incorrect categorisation can lead to wrong WHT application and compliance issues.
- Ignoring NBP reporting thresholds: Failure to report large or specific cross-border transactions can result in fines.
The practical path
Sending payments from Poland to a US company involves several key steps to ensure efficiency and compliance:
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Invoice and Documentation: Obtain a clear, detailed invoice in English (preferably USD) from the US company, including their full legal name, address, TIN, and bank details. Crucially, request a completed W-8BEN-E form to ensure treaty benefits and avoid higher WHT rates.
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Verify Bank Details: Meticulously cross-reference the US company's bank details (SWIFT, account number, beneficiary name) with a separate communication to prevent fraud and ensure accurate delivery.
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Choose Payment Method:
- SWIFT: The most common method for USD transfers, offered by major Polish banks like PKO Bank Polski, Bank Pekao S.A., mBank, and Santander Bank Polska. Expect 1-5 business days and potential fees.
- SEPA: For EUR payments, if the US company has a SEPA-compatible EUR account, this offers faster and cheaper transfers, though currency conversion from PLN to EUR may be needed.
- Fintech Platforms: Services like Wise or Revolut provide competitive exchange rates and lower fees for cross-border payments, often using local payment rails for efficiency. BLIK can fund these platforms for international transfers.
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Initiate Transfer: Use your banking platform to input beneficiary details (name, address, bank, account, SWIFT/BIC), specify USD amount, and confirm before authorising. Be mindful of daily limits.
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Retain Records: Maintain comprehensive records of invoices, W-8BEN-E forms, payment confirmations, and bank statements for accounting, tax reporting, and compliance.
Edge cases
Certain situations require special attention:
- Large Amounts: Payments exceeding thresholds (e.g., €15,000 equivalent) may trigger enhanced AML/CTF scrutiny from Polish banks and the NBP, requiring additional documentation. Inform your bank in advance for very large transfers.
- Existing USD Accounts: While eliminating PLN-USD conversion, transfers from Polish USD accounts to the US still use SWIFT, incurring associated fees and requiring WHT documentation (W-8BEN-E).
- Payments to Individuals vs. Companies: Tax implications differ. W-8BEN is needed for US individuals, and Article 15 of the US-Poland Tax Treaty governs WHT for independent personal services. Ensure clear contracts and compliance.
- Sanctions and OFAC: Polish entities must screen US recipients against sanctions lists (e.g., OFAC) to avoid violations, despite Poland being an EU/NATO member.
- Country-Specific Nuances: Stay informed about evolving Polish regulations, reporting thresholds, or industry-specific payment rules. Consult local financial or tax advisors for guidance.
When you don't need us
For many Polish entrepreneurs, paying a US company can be a straightforward process that doesn't require specialist intervention. If you are making a standard payment for services or goods, have a clear invoice, the US company provides a valid W-8BEN-E form, and you are comfortable navigating your bank's international transfer system (SWIFT or SEPA for EUR), you may not need our direct assistance. This is particularly true for routine transactions where the amounts are not exceptionally large, and you have an established relationship with the US vendor. If you have in-house expertise in international payments and tax compliance, or if your bank offers reliable and transparent cross-border payment solutions, you might find the process manageable on your own.
What we do
Keystone Bridge assists Polish entrepreneurs in optimising their payment corridors to US companies, ensuring full compliance with the US-Poland Tax Treaty and Polish financial regulations. We provide guidance on invoice structuring, WHT compliance, and efficient payment methods to minimise costs and delays. General information, not tax or legal advice. Rates and rules change; verify with a qualified adviser before acting.
References
[1] National Bank of Poland. (n.d.). Middle exchange rates of foreign currencies – table A. Retrieved from https://nbp.pl/en/statistic-and-financial-reporting/rates/table-a/ [2] National Bank of Poland. (n.d.). The Act abolishes restrictions in foreign exchange turnover between the Republic of Poland and Member States of the European Union (EU). Retrieved from https://nbp.pl/wp-content/uploads/2022/10/prawo_dewizowe_en.pdf [3] Dudkowiak & Kopeć. (2024, September 20). NBP Reporting in Poland. Retrieved from https://www.dudkowiak.com/secretarial-services-poland/nbp-reporting-in-poland [4] Internal Revenue Service. (1974, October 8). United States - Poland Income Tax Convention. Retrieved from https://www.irs.gov/pub/irs-trty/poland.pdf [5] Dudkowiak & Kopeć. (2026, March 12). Withholding Tax in Poland - Key Rules. Retrieved from https://www.dudkowiak.com/tax-law-in-poland/withholding-tax/
For the broader picture on this topic, see our guide on how to pay a US company from your country.