A Mazowieckie-based logistics company was weeks away from closing a share acquisition in Poland when its new advisers flagged a problem. The target – a spółka z ograniczoną odpowiedzialnością (private limited liability company, sp. z o.o.) – had an undisclosed pledge over its core fleet assets and a management board member whose authority had lapsed six months earlier. The deal nearly collapsed.

Polish M&A transactions carry structural risks that differ materially from Western European norms. Buyers who skip or compress due diligence Poland-style face personal liability exposure, title defects, and post-closing claims that can exceed the original purchase price. Identifying red flags early – before signing a preliminary agreement – is the single most effective way to protect deal value.

This case study draws on an anonymised matter handled by our Warsaw team. It traces the background, the strategy we applied, and the transferable lessons for any buyer considering a Polish acquisition. The structure follows four stages: target profile, red flags identified, remediation approach, and key takeaways for future deals.

What was the background of the transaction?

The buyer was a mid-sized Central European logistics group seeking to set up company Poland operations through acquisition rather than greenfield entry. The target held a fleet of 40 vehicles, warehouse licences, and long-term contracts with three FMCG distributors. On paper, the deal looked clean. The asking price was EUR 4.2m for 100% of shares in the sp. z o.o.

Initial document review revealed a company registered in the National Court Register (KRS) with apparently standard articles of association. The KRS filing showed two shareholders and a sole management board member. However, the KRS extract was over eight months old. Under Polish corporate legislation, KRS data must be verified against the current register – not a cached copy. That eight-month gap was the first warning sign.

The seller had provided a data room of roughly 200 documents. Tax returns, vehicle registration certificates, and warehouse lease agreements were all present. What was absent was equally telling: no current KRS printout, no list of encumbrances on movable assets, and no board resolution confirming the signatory's current authority. These omissions are a classic pattern in Polish M&A where sellers manage disclosure rather than enable it.

  • No current KRS extract (older than 3 months)
  • Missing register of pledges from the Polish Register of Pledges
  • No confirmation of management board mandate renewal
  • Absence of shareholder loan documentation

Which red flags did due diligence Poland uncover?

Due diligence Poland engagements follow a structured sequence: corporate, tax, contractual, and regulatory. Our team ran all four workstreams in parallel over 14 working days. That timeline matters – Polish preliminary agreements (umowy przedwstępne) typically give buyers 21 to 30 days to complete review before a deposit of 10% becomes non-refundable.

The corporate workstream produced the most serious findings. The management board member's two-year mandate had expired without renewal. Any contracts signed during that lapsed period – including two of the three FMCG distributor agreements – were of uncertain legal effect under Polish corporate law. A law firm Warsaw-side counterparty could have challenged those contracts. That risk had a direct value impact.

The pledge workstream uncovered a registered financial pledge over 18 of the 40 vehicles, recorded in the Polish Register of Pledges (Rejestr Zastawów) but not disclosed in the data room. The pledge secured a leasing facility of PLN 1.4m. Transfer of shares does not extinguish asset-level pledges in Poland. The buyer would have inherited that encumbrance on day one of ownership.

We also identified a shareholder loan of PLN 800,000 from the majority owner to the company, with no subordination agreement and an immediate repayment clause triggered by any change of control. Had the deal closed without addressing this, the new owner would have faced a PLN 800,000 demand within 30 days of signing. That is the kind of irreversible consequence that post-closing discovery precludes any remedy for.

We secured a renegotiation of the purchase price by EUR 310,000 for a logistics acquirer in Mazowieckie (winter 2026), directly attributable to pledge and mandate findings surfaced during due diligence.

How did the remediation strategy protect the buyer?

Once red flags are documented, the buyer has three options: walk away, reprice, or condition closing on remediation. Each path has a different timeline and cost profile. Walking away forfeits the deal but preserves capital. Repricing is fastest but transfers residual risk to the buyer. Conditional closing is the most protective approach – and the one we recommended here.

The remediation plan had four elements. First, the seller was required to convene a shareholder meeting to ratify the lapsed board member's acts and formally renew the mandate before signing the share purchase agreement (SPA). This process takes a minimum of 14 days under Polish corporate legislation when proper notice periods are observed.

Second, the pledge over the 18 vehicles had to be discharged before closing. The seller repaid the PLN 1.4m leasing facility from escrow funded by an advance payment. Pledge deletion from the Register of Pledges takes up to 7 business days after the creditor files the deletion notice. Closing was conditioned on receipt of the updated register extract.

Third, the shareholder loan was restructured into equity by way of a debt-to-equity conversion, eliminating the change-of-control repayment trigger. This required an extraordinary shareholder resolution and a KRS filing. The conversion also improved the target's balance sheet, which the buyer's financing bank required as a condition of the acquisition loan.

Our team obtained interim protections for a manufacturing buyer's acquisition vehicle in Silesia (spring 2026), ensuring that parallel enforcement proceedings by a trade creditor did not attach to target assets during the remediation window.

The SPA was ultimately signed 38 days after the initial red flag report. The buyer paid EUR 3.89m – a EUR 310,000 reduction from the original ask – and received clean title to all 40 vehicles, a board with confirmed authority, and a target free of the shareholder loan liability.

Specific deal economics matter here. The due diligence and remediation legal fees totalled approximately EUR 28,000. The price reduction alone returned more than eleven times that cost. That ratio is typical when red flags are surfaced before – not after – closing.

What are the transferable lessons for M&A Poland buyers?

M&A Poland transactions require buyers to treat KRS verification as a live, not archival, exercise. The KRS is updated in near real-time, and a printout older than 30 days should not be relied upon for corporate authority or capital structure analysis. This applies whether the buyer is a Polish entrepreneur or a foreign investor using a Polish subsidiary to set up company Poland operations.

The Register of Pledges is a separate registry from the KRS. Many buyers – and some advisers – conflate the two. Any acquisition of a Polish company with movable assets (vehicles, machinery, inventory) must include a Register of Pledges search. The search costs under PLN 100 and takes one business day. Skipping it is indefensible.

Mandate verification is equally non-negotiable. Polish corporate law limits management board mandates to specific terms – typically one or two years – unless the articles of association specify otherwise. A board member acting outside their mandate creates a risk of contract invalidity. Buyers should request certified copies of all shareholder resolutions appointing and renewing board members for the preceding three years.

For buyers with complex ownership structures – including those considering a family foundation in Poland as a holding vehicle – the interaction between foundation governance and sp. z o.o. management authority deserves specific attention. Foundation board decisions can affect the validity of downstream corporate acts in ways that standard due diligence checklists do not capture.

Cross-border buyers should also review our analysis of red flags in Polish M&A for Ukrainian buyers, which covers additional considerations around beneficial ownership disclosure and anti-money-laundering compliance that apply to non-EU acquirers. Buyers weighing entry structure – branch versus subsidiary – will find a direct comparison in our branch vs. subsidiary guide for Hungary groups, which addresses capital requirements and liability ring-fencing.

What to prepare before signing a Polish SPA:

  • Current KRS extract (no older than 30 days) confirming board authority and share structure
  • Register of Pledges search covering all movable assets
  • Certified shareholder resolutions for the preceding three years
  • Full list of intercompany and shareholder loans with repayment terms
  • Confirmation that all regulatory licences are transferable on share sale

The complexity of Polish M&A – overlapping registries, mandate rules, and asset-level encumbrances – means that a buyer relying on seller disclosure alone is operating with a structural information disadvantage. Independent verification is not a luxury. It is the price of informed consent to the transaction.

Specific deal structure decisions – whether to acquire shares or assets, how to handle tax warranties, and whether to use a Polish or foreign law SPA – all flow from the due diligence findings. Buyers who compress that process to save time routinely spend multiples of the saving on post-closing disputes.

Frequently asked questions

Q: How long does due diligence Poland typically take for a mid-sized sp. z o.o. acquisition?

A: A standard four-workstream due diligence (corporate, tax, contractual, regulatory) for a mid-sized Polish private limited company takes 10 to 21 working days, depending on data room quality. Tax workstreams frequently extend the timeline when VAT or transfer pricing exposure is identified. Buyers should budget for this in their preliminary agreement timeline – a 30-day exclusivity window is often insufficient for complex targets.

Q: Does acquiring shares in a Polish sp. z o.o. transfer the company's debts to the buyer?

A: A common misconception is that share acquisition in Poland insulates the buyer from pre-existing liabilities. It does not. The buyer acquires the company as a legal entity, including all its obligations – disclosed and undisclosed. Asset-level pledges, tax arrears assessed after closing, and contingent liabilities from ongoing disputes all remain with the company. This is why representations, warranties, and indemnities in the SPA must be negotiated with Polish-specific exposure in mind.

Q: What is the cost of a KRS and Register of Pledges search in Poland?

A: A full KRS extract costs PLN 30 to PLN 60 depending on the document type. A Register of Pledges search costs under PLN 100 per subject. Both are available online through official government portals and return results within one business day. These are among the lowest-cost, highest-value steps in any Polish acquisition process – and among the most frequently skipped by buyers relying on seller-provided documentation.

Specific circumstances in your transaction may require analysis beyond the patterns described here. Red flags interact with each other – a lapsed mandate combined with an undisclosed pledge and a shareholder loan creates compounding risk that no single remediation measure resolves.

To receive an expert assessment of your Polish acquisition target, contact info@kordeckipartners.com.

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 M&A Poland transactions, due diligence, and corporate structuring. 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.