A German holding company needed to absorb its Polish operating subsidiary before a private equity exit scheduled for autumn 2026. The group had 18 months to complete the merger. That window looked comfortable – until the team mapped the actual procedural steps under Polish and EU law.

A cross-border merger under the EU Mobility Directive requires coordination between at least two national legal systems, registration courts, and employee representative bodies. In Poland, the absorbing or absorbed entity must follow procedures set out under the Kodeks spółek handlowych (Commercial Companies Code, KSH) as amended to implement Directive 2019/2121. The National Court Register (KRS) handles Polish-side filings, and the process from board resolution to final registration typically takes four to six months.

This case study traces the transaction from initial mandate to completion. It covers the strategy we applied, the procedural sequence, and the practical lessons that apply to any inbound or outbound cross-border merger involving a Polish entity.

What was the background to this cross-border merger?

The client was a mid-market manufacturing group headquartered in Bavaria. Its Polish subsidiary – a spółka z ograniczoną odpowiedzialnością (private limited liability company, sp. z o.o.) registered with the KRS in Warsaw – had been the operational centre of the group for nine years. The PE sponsor required a simplified group structure before the exit. Merging the Polish sp. z o.o. upstream into the German GmbH parent was the preferred route.

The group had previously considered a cross-border division, but that path would have triggered additional asset-transfer taxes. A merger by absorption avoided those costs. The Polish entity held real property, which added a land register (księga wieczysta) notification requirement on top of the standard KRS filings. That combination – real property plus a cross-border element – is where most transactions slow down.

Our team was instructed in January 2026. The target completion date was September 2026. We had roughly eight months, which is tight once you account for the mandatory employee consultation period of at least one month and the 30-day creditor objection window under Polish insolvency and restructuring law.

What strategy did we apply to keep the process on schedule?

Speed in a cross-border merger depends on parallel workstreams, not sequential ones. We opened four tracks simultaneously: legal due diligence Poland, merger plan drafting, employee information procedures, and coordination with German counsel on the GmbH-side requirements. Losing even two weeks on any single track would compress the court phase dangerously close to the PE exit date.

Due diligence on the Polish entity confirmed one complication: a pledge over machinery in favour of a Warsaw-based lender. Under Polish corporate legislation, a pledgee is treated as a creditor for merger purposes. The lender had 30 days from publication of the merger plan in the Court and Commercial Gazette (Monitor Sądowy i Gospodarczy) to raise an objection. We engaged the lender early and obtained a written waiver of objection within three weeks – well before the statutory window opened.

We also engaged the Polish Financial Supervision Authority (KNF) at the outset to confirm that the merger did not trigger any regulated-activity notification. It did not. That confirmation, obtained in writing, eliminated a potential six-week delay later in the process.

  • Parallel workstreams: legal, HR, financial, German counsel
  • Early lender engagement to neutralise creditor objection risk
  • KNF confirmation obtained before merger plan publication
  • Real property notifications prepared in advance of KRS filing
  • Employee consultation launched on day one of the formal procedure

We secured a clean due diligence sign-off for a manufacturing client in the Mazowieckie region (winter 2026), allowing the merger plan to be filed without reservations. That outcome was directly linked to early lender engagement rather than waiting for the statutory creditor window to run.

How did the procedural sequence unfold in practice?

The formal process began with the joint merger plan signed by the boards of both entities. Polish law requires the plan to be filed with the KRS and published at least one month before the general meeting vote. That one-month gap is non-negotiable. It cannot be waived by shareholder consent. Missing it means restarting the publication cycle – a four-to-six-week delay at minimum.

The general meeting of the Polish sp. z o.o. approved the merger by the required majority. Under the KSH, a cross-border merger resolution requires a majority of three-quarters of votes cast, with a quorum of at least half the share capital represented. The German-side approval followed the same week under GmbHG requirements, coordinated with our counterpart firm in Munich.

The KRS issued a pre-merger certificate confirming that the Polish procedural steps had been completed lawfully. That certificate was then submitted to the German commercial register (Handelsregister) as part of the final registration package. The Handelsregister completed registration in late August 2026 – three weeks ahead of the September deadline.

Our team obtained the KRS pre-merger certificate within 12 days of the general meeting – faster than the typical 20-day processing time – by submitting a complete filing package with no missing attachments. A single missing document can add two to three weeks to that phase alone.

What lessons apply to future cross-border merger transactions?

Three lessons from this matter apply directly to any group planning a cross-border merger involving a Polish entity. First, the employee consultation requirement is a hard constraint. Polish law requires employees to be informed of the merger plan details at least six weeks before the general meeting in larger entities. Starting that process late forfeits the only realistic buffer in the timeline.

Second, real property holdings create a parallel filing track that does not pause while the KRS processes the merger. Land register notifications must be submitted promptly after the Handelsregister registration date, or the successor entity faces a gap in its title chain. That gap can block future financing or disposals – an irreversible consequence if a PE exit is pending.

Third, choosing the right vehicle matters before the merger begins. Groups that have not yet established their Polish presence should review the structural options carefully. For a comparison of sp. z o.o. versus spółka akcyjna (joint-stock company, SA) from an investor's perspective, see our analysis at sp. z o.o. vs SA decision matrix for France investors. And for groups that may face a tax audit in connection with a merger-related restructuring, our guide at KAS tax audit: what to expect and how to prepare sets out the key preparation steps.

We coordinated a cross-border merger for a technology group with subsidiaries in Silesia and Lower Silesia (spring 2026), completing KRS filings across two registration courts within a single procedural window. That required pre-filing coordination with both courts – an approach that saved approximately four weeks compared to sequential filings.

For groups considering a cross-border merger involving a Polish entity, the full procedural framework is set out on our corporate M&A practice page for Poland.

The specific structure of your transaction – whether absorption, new-company merger, or a conversion preceding a merger – determines which procedural track applies. Each carries a different timeline and a different set of filing obligations with the KRS and the relevant foreign register.

To receive an expert assessment of your cross-border merger timeline and structure, contact info@kordeckipartners.com.

Frequently asked questions

Q: How long does a cross-border merger involving a Polish entity typically take?

A: From board resolution to final registration, the process typically takes four to six months. The mandatory one-month publication period and the 30-day creditor objection window run concurrently with other steps if the process is well managed. Complex matters – those involving real property, regulated activities, or multiple jurisdictions – can run to eight months or more.

Q: Is it a common misconception that shareholder consent can shorten the mandatory publication period?

A: Yes. The one-month gap between merger plan publication and the general meeting vote is a statutory minimum under the Commercial Companies Code. It cannot be shortened by unanimous shareholder resolution. Groups that attempt to compress this period must restart the publication cycle, which typically costs four to six additional weeks.

Q: What does the KRS pre-merger certificate cost, and how is it obtained?

A: The KRS pre-merger certificate carries a court fee that varies by entity type and registered capital. The application must include the merger plan, the general meeting resolution, and confirmation that the creditor objection period has expired without objection. A complete filing package is essential – the KRS will not issue the certificate if any required document is absent, and each deficiency notice adds up to two weeks to the process.

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 mergers, M&A transactions, and corporate restructurings. 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.