A German holding company decides to absorb its Polish operating subsidiary. The lawyers on both sides open their files and immediately face two parallel national procedures, a pre-merger certificate from the National Court Register (KRS), employee participation rules, and a creditor protection window that can stall closing by three months. The transaction looks clean on a term sheet. The execution is another matter entirely.
A cross-border merger under the EU Mobility Directive – transposed into Polish law through amendments to the Kodeks spółek handlowych (Commercial Companies Code, KSH) – allows capital companies from different EU member states to merge by absorption or by formation of a new company, with universal succession of all assets and liabilities. Polish law sets a 30-day window for the KRS to issue the pre-merger legality certificate, and creditors may object within 30 days of the merger plan's disclosure. Failure to manage these two deadlines in parallel can delay closing by six months or more.
This guide walks through the full procedure step by step: from drafting the merger plan to registration of the surviving entity. It covers timeline, cost drivers, three business scenarios, and the most common mistakes that derail transactions at the last stage.
What does the EU Mobility Directive actually require?
The Directive – formally Directive (EU) 2019/2121 – reformed cross-border mergers, divisions, and conversions across the EU. Poland incorporated its requirements into the Commercial Companies Code with effect from September 2023. The framework applies to limited liability companies (spółka z ograniczoną odpowiedzialnością, sp. z o.o.) and joint-stock companies (spółka akcyjna, SA), which together cover the overwhelming majority of M&A Poland transactions involving Polish entities.
Three structural requirements define the regime. First, the companies involved must be governed by the laws of at least two different EU member states. Second, the merger must not be used primarily to circumvent employee participation rights or creditor protections – the anti-abuse clause now carries real enforcement weight. Third, each participating company must obtain a pre-merger certificate from its home-state authority confirming legality of the domestic steps.
- Merger plan drafted and signed by boards of all participating companies
- Independent expert report on the plan (waivable by unanimous shareholder consent)
- Disclosure of the plan in the KRS and company's publication medium
- Shareholder approval by a supermajority (typically 75% of votes)
- Pre-merger certificate issued by the KRS within 30 days of application
The anti-abuse review is the element most frequently underestimated in due diligence Poland exercises. The KRS – and, in parallel, the Polish Financial Supervision Authority (KNF) where regulated entities are involved – may request additional documentation if the transaction appears designed to relocate the registered office while stripping employee participation rights. Providing a clear business rationale in the merger plan narrative reduces this risk materially. Budget at least three weeks for the KRS review even in straightforward cases.
How does the step-by-step procedure work in Poland?
The Polish procedure unfolds in four distinct phases. Phase one – preparation – runs roughly 6 to 10 weeks and produces the merger plan, management reports, and independent expert opinion. Phase two – disclosure and shareholder approval – takes a minimum of 30 days for the creditor objection window to expire. Phase three – pre-merger certificate – adds up to 30 days at the KRS. Phase four – registration by the receiving state – varies but averages four to six weeks. Total elapsed time from kick-off to registration: five to seven months in a clean transaction.
The merger plan is the central document. It must specify the exchange ratio for shares or interests, any cash payments (capped at 10% of nominal value under the KSH), the rights conferred on special shareholders, and the anticipated timetable. A poorly drafted exchange ratio – one of the most common mistakes in cross-border M&A Poland deals – triggers objections from minority shareholders and delays the entire process. We secured a successful pre-merger certificate for a manufacturing client in the Mazowieckie region (autumn 2025) after restructuring the exchange ratio narrative in the merger plan; the KRS issued the certificate within 22 days of resubmission.
Management reports deserve separate attention. Each board must produce a report for shareholders explaining the legal and economic rationale. A second, separate report must be produced for employees. Polish labour law gives employee representatives 30 days to submit written comments on the employee report. Missing this step does not invalidate the merger, but it creates grounds for challenge and can trigger regulatory scrutiny under the anti-abuse clause.
Cost drivers at this phase include notarial fees for the merger plan (typically PLN 5,000 to PLN 15,000 depending on transaction size), independent expert fees (PLN 20,000 to PLN 60,000), and KRS filing fees. These are fixed costs. Legal advisory fees scale with complexity and typically represent the largest variable item in the budget.
What are the three business scenarios and their pitfalls?
Different transaction structures create different risk profiles. Understanding which scenario applies early determines both the timeline and the documentation strategy.
Scenario 1 – Inbound absorption (foreign parent absorbs Polish subsidiary). This is the most common pattern in M&A Poland. The Polish entity is the absorbed company; it ceases to exist on registration. The KRS issues the pre-merger certificate; the foreign registry handles final registration. The main pitfall is timing: Polish employees' participation rights must be assessed before the KRS will certify. If the Polish entity has more than 500 employees, a standard participation procedure applies and can add eight to 13 weeks to the timeline.
Scenario 2 – Outbound absorption (Polish company absorbs a foreign entity). The Polish sp. z o.o. or SA becomes the surviving entity. The KRS handles both the pre-merger certificate and final registration. This simplifies coordination but means all assets and liabilities of the foreign entity – including contingent liabilities – transfer to a Polish-registered company. A thorough due diligence Poland exercise covering the foreign entity's tax history is non-negotiable. We obtained interim protective measures for a German investor's subsidiary in Lower Silesia (spring 2026) after uncovering undisclosed tax exposures during the pre-merger due diligence phase.
Scenario 3 – Merger by formation of a new company. Both participating companies dissolve and a new entity is incorporated in the chosen member state. This structure suits reorganisations where neither existing legal entity is the preferred vehicle going forward. It is the most document-intensive variant: the new company must be set up in Poland (or abroad) from scratch, which means complying with all requirements to set up company Poland, including minimum share capital of PLN 5,000 for a sp. z o.o. The process typically adds four to six weeks compared to absorption.
For foreign investors choosing between entry structures, the comparison at branch vs subsidiary in Poland for Hungary groups and branch vs subsidiary in Poland for Cyprus groups provides a useful baseline before committing to a merger structure.
What are the most common mistakes that derail cross-border mergers?
Experience across more than 40 cross-border transactions identifies five recurring failure points. Each can be avoided with early planning. Each, if missed, forfeits the ability to correct without restarting the procedure.
- Incomplete creditor notification: Creditors are entitled to adequate security within 30 days of plan disclosure. Failure to respond to objections within the statutory period triggers court intervention and can block the KRS certificate.
- Underestimating the anti-abuse review: A merger plan that reads as a tax-driven relocation – without substantive business rationale – will face a detailed KRS inquiry. Personal liability of board members for misleading disclosures is a real risk.
- Ignoring employee participation thresholds: The 500-employee threshold triggers a mandatory negotiation procedure. Missing it does not void the merger but creates grounds for injunctive relief from employee representatives.
- Exchange ratio disputes: Minority shareholders have the right to challenge the exchange ratio in court. A well-documented independent valuation reduces but does not eliminate this risk.
- Parallel insolvency exposure: If the absorbed entity is under financial stress, the merger may intersect with restructuring or insolvency proceedings. The simplified arrangement proceedings framework provides an alternative path worth evaluating before committing to merger.
The irreversible consequence of missing the KRS certificate deadline is a full restart of the disclosure phase – adding a minimum of 30 days and the cost of re-publication. Where the merger involves a regulated entity (a bank, insurance company, or investment firm under KNF supervision), any procedural defect can trigger a suspension order that precludes completion until the defect is remedied. That outcome is not theoretical; it has occurred in Polish practice.
To receive an expert assessment of your cross-border merger structure before the plan is filed, contact info@kordeckipartners.com.
Frequently asked questions
Q: How long does a cross-border merger in Poland realistically take from start to finish?
A: In a clean transaction with no employee participation procedure and no regulatory approvals, five to seven months is a realistic estimate. This includes six to ten weeks for plan preparation, the mandatory 30-day creditor objection window, up to 30 days for the KRS pre-merger certificate, and four to six weeks for registration by the receiving state. Transactions involving entities with more than 500 employees, or those requiring KNF clearance, typically run nine to thirteen months. Parallel preparation of documents for both jurisdictions is the single most effective way to compress the timeline.
Q: Is it a misconception that the independent expert report is always mandatory?
A: Yes. Under the Commercial Companies Code, the independent expert report on the merger plan can be waived if all shareholders of all participating companies unanimously agree in writing. This waiver is common in wholly-owned subsidiary mergers, where the parent holds 100% of the absorbed entity. In those cases, the exchange ratio is either nominal or irrelevant, and there are no minority shareholders to protect. However, even where the report is waived, the merger plan itself must still be disclosed and the creditor objection window must run. The waiver saves time and cost but does not shorten the disclosure phase.
Q: What does a cross-border merger cost in Poland, excluding advisory fees?
A: Fixed statutory costs include notarial fees for the merger plan (PLN 5,000 to PLN 15,000), independent expert fees if not waived (PLN 20,000 to PLN 60,000), KRS filing fees (currently PLN 500 for disclosure and PLN 250 for the certificate application), and publication costs in the Monitor Sądowy i Gospodarczy (Court and Commercial Gazette). Total fixed costs typically fall between PLN 30,000 and PLN 80,000, depending on transaction size and whether the expert report is required. Legal advisory fees for a standard bilateral merger start at approximately PLN 80,000 and scale with complexity.
What to prepare before instructing counsel?
- Current KRS extracts for all participating entities (not older than one month)
- Shareholder register and cap table showing all classes of shares or interests
- Last three years of audited financial statements for each company
- Employee headcount by jurisdiction (to assess participation thresholds)
- List of material contracts containing change-of-control or anti-assignment clauses
Having this documentation ready before the first advisory meeting compresses the preparation phase by two to four weeks. It also allows counsel to identify anti-abuse and employee participation risks at the outset, before the merger plan is drafted – which is when corrections are cheapest.
Your specific transaction structure determines which risks are live and which timelines are binding. An incomplete picture at the outset forfeits the ability to manage those risks before they become irrecoverable.
For a tailored strategy on structuring your cross-border merger under Polish law, reach out to info@kordeckipartners.com.
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 cross-border M&A, corporate restructuring, and regulatory 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.