A Chicago-based technology group decides to enter the Polish market. The internal debate quickly narrows to two options: register a branch of the US parent, or incorporate a separate Polish limited-liability company. Both paths lead to the same commercial goal. The legal, tax, and liability consequences, however, diverge sharply from day one.

Polish law offers two principal vehicles for a foreign group's local presence: a branch (oddział) registered in the National Court Register (KRS) and a subsidiary, most commonly a spółka z ograniczoną odpowiedzialnością (private limited-liability company, sp. z o.o.) incorporated under the Kodeks spółek handlowych (Commercial Companies Code, KSH). The branch is a dependent extension of the US parent and carries no separate legal personality; the sp. z o.o. is an independent Polish entity with its own legal standing, share capital of at least PLN 5,000, and limited liability protection for its shareholders. Choosing the wrong vehicle can trigger personal liability for US directors, unexpected Polish corporate income tax exposure, or structural barriers to future M&A activity in Poland.

This guide walks through the registration procedure, timeline, costs, and compliance obligations for each vehicle. It then maps three US-group scenarios – a technology company, a manufacturing operation, and a private-equity investor conducting due diligence in Poland – to the structure that best fits each situation. A checklist and FAQ close the analysis.

What is a branch under Polish law, and when does it make sense for a US group?

A branch is not a separate company. It is a designated, organisationally distinct part of the US parent, authorised to conduct business activity in Poland under the parent's name and on the parent's account. Polish company law permits foreign entrepreneurs to establish a branch without a Polish shareholder, without minimum capital, and without a local board – but the parent bears unlimited liability for all branch obligations. Registration with the KRS through the district court (Sąd Rejonowy) typically takes four to six weeks when documents are correctly apostilled and translated.

The branch must appoint a representative resident in Poland. That person manages day-to-day operations and receives service of process on behalf of the US parent. One practical consequence: if a Polish supplier sues the branch, the claim runs directly against the US parent's global assets. That exposure is the branch's principal commercial drawback for US groups accustomed to Delaware limited-liability structures.

Where the branch model works well is in three situations. First, where the Polish activity is genuinely preparatory or auxiliary – market research, liaison, procurement support – and the group wants to minimise incorporation costs. Second, where the US parent intends to operate in Poland for a limited period, say 12 to 24 months, and a full subsidiary would create disproportionate administrative overhead. Third, where the parent already holds ISO or sector-specific certifications that Polish clients require and the branch can trade under those credentials immediately.

  • No minimum share capital required
  • Parent liability is unlimited and direct
  • Representative must be resident in Poland
  • Branch must keep separate accounting records in Polish
  • Scope of activity cannot exceed the parent's statutory objects

One structural point that US groups frequently miss: the branch's permissible business scope is limited to the scope stated in the parent's constitutional documents. A US parent whose articles of incorporation list only software development cannot lawfully conduct manufacturing through a Polish branch without first amending those documents at home – a process that can add two to four months to the timeline.

How does a sp. z o.o. subsidiary differ, and what does registration involve?

A sp. z o.o. is a Polish legal person. It owns assets, employs staff, enters contracts, and bears liabilities in its own name. The US parent's exposure is ordinarily capped at the value of its contribution to the subsidiary's share capital. That liability firewall is the single most important reason why the sp. z o.o. is the default entry vehicle for US groups conducting substantive commercial operations in Poland.

Incorporation requires a notarised deed of incorporation (or, for a simplified single-shareholder company, an online S24 procedure), registration with the KRS, tax registration with the relevant Tax Office (Urząd Skarbowy), and registration as a VAT payer with the Polish Tax Administration (Krajowa Administracja Skarbowa, KAS). The entire process takes three to five weeks for a standard incorporation, assuming the US parent's corporate documents are apostilled and translated into Polish. Minimum share capital is PLN 5,000 – roughly USD 1,200 at current exchange rates – though most US groups capitalise at PLN 50,000 to PLN 200,000 to signal commercial credibility to Polish counterparties.

We secured smooth KRS registration for a Californian software group entering the Mazowieckie region (spring 2025), avoiding a common pitfall: the parent's US-style operating agreement had not been adapted to KSH governance requirements, which would have caused a two-month delay at the notary stage.

The sp. z o.o. must have a management board (zarząd) of at least one member. Board members need not be Polish citizens or residents, but they must have a Polish Tax Identification Number (NIP) for KRS purposes. Obtaining a NIP for a non-resident US director takes approximately two weeks and requires a passport copy and a completed application to the relevant tax office. This step is routinely overlooked and is the most common cause of registration delays for US-group subsidiaries.

What are the tax and compliance consequences of each structure?

Both the branch and the sp. z o.o. are subject to Polish corporate income tax (CIT) at 19 percent on Polish-source profits, with a reduced 9 percent rate available to small taxpayers whose revenues do not exceed EUR 2 million in the preceding year. The key difference lies in how profits are attributed and repatriated. A branch's profits are treated as the parent's income for Polish CIT purposes, and the US-Poland tax treaty (the 1974 Convention, as amended) governs attribution. A subsidiary's dividends paid to the US parent are subject to a 19 percent withholding tax under domestic law, reduced to 5 percent under the treaty where the US parent holds at least 10 percent of the subsidiary's shares for an uninterrupted 24-month period.

Transfer pricing rules apply to transactions between the US parent and a Polish subsidiary. The KAS has intensified transfer pricing audits since 2023, and US groups with intercompany service agreements, IP licences, or intragroup financing arrangements should expect scrutiny. A branch, by contrast, operates on the parent's account and does not enter intercompany transactions in the strict legal sense – though KAS can still examine the allocation of costs between the branch and the head office.

For employment compliance, both structures must register as employers with the Social Insurance Institution (Zakład Ubezpieczeń Społecznych, ZUS) and comply with the Polish Labour Code. The branch and the subsidiary face identical payroll obligations. The practical difference is that a branch's employment disputes ultimately engage the US parent's liability, while a subsidiary's employment risks are ring-fenced.

One often-overlooked compliance obligation applies specifically to branches: annual financial statements must be filed with the KRS within 15 months of the financial year end, and the branch's accounts must mirror the parent's fiscal year. For US groups using a December 31 year-end, this aligns neatly with Polish requirements. For groups with non-calendar fiscal years, the mismatch can create duplicate audit obligations.

How do the three US-group scenarios map to each vehicle?

Three representative scenarios illustrate how the branch-versus-subsidiary decision plays out in practice. Each scenario involves a different risk profile, timeline pressure, and exit horizon.

Scenario 1 – Technology company, immediate revenue generation. A New York-based SaaS provider wants to sign Polish enterprise clients within 90 days of deciding to enter the market. Speed is the priority. The sp. z o.o. via the S24 online procedure can be registered in as little as one week for a single-shareholder company, provided the US parent accepts the standard template articles of association. The branch, by contrast, requires apostilled parent documents and a KRS application that typically takes four to six weeks. For the SaaS provider, the subsidiary wins on speed and on liability containment.

Scenario 2 – Manufacturing group, long-term capital commitment. A Texas-based manufacturer plans to invest PLN 40 million in a production facility in Silesia over three years. Here the sp. z o.o. is the only rational choice. It enables the group to apply for Polish Investment Zone (Polska Strefa Inwestycji, PSI) incentives, which can exempt qualifying income from CIT for up to 15 years. A branch cannot hold real property in its own name and cannot independently access PSI benefits. The subsidiary also facilitates future M&A Poland transactions – whether a trade sale, a joint venture, or a private-equity exit – because the Polish entity has its own share register and valuation history.

Scenario 3 – Private-equity investor, due diligence and acquisition. A US fund conducting due diligence Poland on a Polish target does not need a permanent establishment at all during the pre-signing phase. Advisers can operate under a foreign-law engagement letter. Once the fund acquires the target, however, it will typically need a holding vehicle – and a Polish sp. z o.o. holding company, registered in advance of closing, gives the fund a clean KRS-registered entity to receive the target shares. For a fuller comparison of sp. z o.o. and joint-stock company structures for investors, see our analysis at sp. z o.o. vs SA decision matrix for United Kingdom investors.

We assisted a mid-market US private-equity fund in structuring a holding sp. z o.o. for a Małopolska-based target acquisition (autumn 2024), completing KRS registration within 12 days to meet the fund's contractual closing deadline. The alternative – using the US fund entity directly as acquirer – would have required additional KAS clearances and created US tax complications under the passive foreign investment company rules.

What are the most common mistakes, and how should US groups prepare?

The most frequent error is treating the branch as a low-cost, low-commitment option without accounting for the unlimited liability exposure. US groups that have operated for years under Delaware LLC or corporation structures are accustomed to entity-level liability caps. A Polish branch strips that protection away entirely. Any commercial dispute, employment claim, or tax assessment against the branch is a direct claim against the US parent.

A second common mistake is underestimating the document preparation timeline. Polish notaries and the KRS require apostilled, certified translations of the US parent's certificate of incorporation, articles of incorporation or operating agreement, and a resolution authorising the Polish presence. Obtaining an apostille from a US state authority and a certified Polish translation typically takes two to three weeks. Groups that begin this process only after signing a Polish office lease – for practical guidance on lease terms, see office lease review: key points for United States tenants – routinely face a gap between lease commencement and legal entity readiness.

A third mistake, specific to subsidiaries, is failing to conduct adequate due diligence Poland on the local regulatory environment before selecting the company's objects clause. Polish law does not require a general objects clause; narrowly drafted objects can inadvertently exclude revenue-generating activities discovered after incorporation. Amending the objects clause requires a notarised shareholders' resolution and a KRS update, adding two to four weeks and notarial fees.

For groups considering a Czech comparison alongside the Polish analysis, our parallel guide at branch vs subsidiary in Poland – comparison for Czech Republic groups addresses the structural similarities and divergences relevant to Central European entry strategies.

What should US groups prepare before engaging Polish counsel?

A well-prepared US group can reduce the registration timeline by two to three weeks and cut notarial fees by avoiding document re-submissions. The following checklist covers the core items.

  • Apostilled certificate of incorporation or good-standing certificate from the relevant US state, issued within the past three months
  • Apostilled articles of incorporation or operating agreement, confirming the objects of the US parent
  • Board resolution (or equivalent authorisation) approving the Polish presence and naming the local representative or director
  • Passport copies and personal data of all proposed board members and beneficial owners (for KRS and beneficial ownership register filings)
  • Proposed company name checked against the KRS database for conflicts

Beyond documentation, US groups benefit from resolving three strategic questions before the first notary appointment. First, what is the anticipated revenue in Poland in year one? If it exceeds EUR 2 million, the 9 percent CIT small-taxpayer rate is unavailable and the standard 19 percent rate applies from the outset. Second, does the group intend to apply for PSI incentives? If yes, the subsidiary structure is mandatory and the investment plan must be prepared before the PSI decision is issued. Third, what is the expected holding period? A branch intended to operate for more than three years almost always generates higher cumulative administrative costs than a sp. z o.o., because the branch's annual KRS filing and accounting obligations replicate those of a subsidiary without the liability protection.

Engaging a Warsaw-based law firm Warsaw with both corporate and tax capability before selecting the vehicle avoids the costly scenario of incorporating a branch and then converting it to a subsidiary 18 months later – a process that requires a full liquidation of the branch and a fresh incorporation of the sp. z o.o., with all associated notarial, KRS, and tax registration costs incurred twice.

Frequently asked questions

Q: Can a US LLC (rather than a US corporation) set up company Poland as either a branch or a subsidiary?

A: Yes. Polish law does not restrict the parent entity's legal form provided the US LLC is a validly constituted foreign entrepreneur. The KRS requires the LLC's operating agreement and certificate of formation, apostilled and translated. One practical point: Polish notaries sometimes request a legal opinion confirming that the LLC's authorised signatory has the power to bind the entity, because the LLC structure has no direct Polish equivalent. Budget an additional one to two weeks if such an opinion is needed.

Q: How long does it take to set up company Poland as a sp. z o.o., from decision to first invoice?

A: For a single-shareholder sp. z o.o. using the S24 online procedure with a standard articles template, KRS registration can be achieved in five to seven business days. Tax registration and VAT activation add a further seven to ten days. Practically, the group can issue its first Polish invoice within three weeks of the incorporation decision, assuming apostilled parent documents are already available. Using a bespoke notarial deed rather than the S24 template adds two to three weeks for the notary appointment and KRS processing.

Q: Is a branch cheaper to operate than a sp. z o.o. over a five-year horizon?

A: This is a common misconception. Initial registration costs for a branch are lower – no share capital, no notarial incorporation fee. Over five years, however, the branch's annual accounting obligations (separate Polish books mirroring the parent's accounts), mandatory KRS filings, and the cost of a resident representative typically match or exceed the equivalent costs for a sp. z o.o. The branch also carries unlimited parent liability throughout. For most US groups with a five-year horizon and substantive Polish revenues, the sp. z o.o. delivers better value adjusted for risk.

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 corporate structuring, M&A Poland transactions, and market entry for US and international groups. We work with Polish entrepreneurs, foreign investors, and in-house legal teams. To discuss your situation, contact info@kordeckipartners.com.

For a tailored strategy on selecting the right Polish entry vehicle for your US group, reach out to 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.