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20 MARCH 2026

Due Diligence (DD) report – on which questions shall it answer to?

 

Author of the article

Matúš Hanušovský

JUNIOR ASSOCIATE

Patrik Repka

ASSOCIATE

Warren Buffet, one of the most successful investors of all time, enriched the business world with the concept of risk arising from lack of preparation and ignorance. If there were only one principle that applied in the world of M&A, it would be this one.

Therefore, it is advisable to conduct an economic, legal, or technical review before implementing an investment plan. In this article, we offer you a basic overview of legal risks that purchaser should be aware of when acquiring assets (most often business shares, stocks, or real estate).

Pitfalls of Corporate structures and documents

  • Invalid previous share purchase agreement. The fact that the signatures of the contracting parties are not certified is sufficient to establish the invalidity of the previous share purchase agreement. If the agreement by which your current seller acquired a ownership interest in the company being sold is invalid, then you are negotiating and communicating with the wrong person, because the ownership interest (which you want to acquire) does not belong to this person (they could not acquire it on the basis of an invalid agreement).
  • The absence of the agreement on performance of the function of a executive director. If the company you plan om acquiring does not have contracts with its statutory representatives (e.g., managing directors in the case of a limited liability company), it may have costly consequences even several years later. According to established court practice, in the absence of a written contract on the performance of duties and its essential requirements under the Commercial Code, a statutory representative is entitled to demand the market value of their remuneration for the entire period during which the contract was not concluded, which, depending on the duration and market focus of the company, can amount to hundreds of thousands of euros. This remuneration would have to be paid by the acquired company, and after the acquisition, the costs can essentially be indirectly transferred to the new owner;
  • Grounds for invalidity or dissolution of a company. If the core corporate documents have not been drawn up in the form required by law, this is a reason for declaring the company invalid. At the same time, we would like to point out that even often underestimated acts such as the timely filing of financial statements in the collection of documents or proving a relationship to the company's registered office may constitute basis for the dissolution of a commercial company.

Observations in relation to Real Estate

  • Lack of property acquisition documents. If you are purchasing a building complex or larger plots of land (which are often overly fragmented), it is advisable to have a lawyer thoroughly check whether the current seller has purchased all the plots or buildings being sold in the past, i.e., whether the subject matter is included, for example, in the purchase agreement (in the form in which it was entered in the real estate cadastre). In practice, a missing title often leads to disputes over ownership.
  • Verification of full payment of the agreed purchase price. If the current seller has not yet paid the full purchase price for the subject of the transfer (e.g., land), there is a risk that the former owner will withdraw from the contract, which may result in the restoration of the original ownership and the transfer to the purchaser may not become valid.
  • Protection zones, networks and access to land. Landowners are also restricted by protection zones. The width of a protection zone for outdoor overhead power lines for example can be set at up to 35 meters. In this context, it is also necessary to consider the presence of utility networks and power lines on the land. It is prohibited to erect buildings in the protection zone. Therefore, if you are buying land for construction, it is advisable to check the existence and extent of protection zones in order to obtain an accurate idea of the area that can be built on. It is also necessary to check whether there is legal access to the land and whether utility networks are available on the land.

Usual findings related to IP rights and market digitization

  • Expired trademarks and disputes regarding the use of trademarks and other IP. Did you know that trademarks are valid for a limited time period? Expired trademarks may signal a risk that the brand has lost its legal protection, which opens up opportunities for third parties to use or register it.
  • The extent of protection of trade secrets and confidential information. While conducting a legal review, it is advisable to examine the method and extent of protection of trade secrets against misuse, as well as the persons that have access to any specific manufacturing processes that represent a key competitive advantage for the acquired company on the market.
  • Analysis of specific regimes and regulatory market behaviour. Based on the nature of the services they provide and their market position, some companies might have to implement mechanisms, especially for cybersecurity under the NIS 2 Directive, or for regulating digital services (especially in the context of the Digital Services Act and the Digital Markets Act). The degree of compliance with the obligations under this legislation should be duly considered and assessed as part of the legal review.

Labour Law risks

  • Employment contracts without essential details and illegal employment. In the case of employment contracts not containing legally required information the Labour Inspectorate may impose a fine of up to EUR 100,000. The situation is even more serious if there is no employment relationship between the employer and the employee. This constitutes illegal employment, for which a fine of up to EUR 200,000 may be imposed. Liability for illegal employment also arises if the work is performed under a different type of contract (e.g., a commercial contract – contract for work, or a civil law contract – mandate contract, or even on the basis of a trade license), even though the nature of the relationship indicates that it is dependent work, which must be regulated by an employment contract or an agreement on work performed outside of an employment relationship.
  • Existence of collective agreements. Collective agreements concluded between employers and employee representatives may contain provisions governing mutual rights and obligations that differ from those stipulated by law, with certain employee benefits having a significant impact on either the company's operations or its financial costs.
  • Performance of statutory activities (e.g., managing director of a limited liability company) based on an employment contract. As mentioned in the points hereabove, the company must conclude a special type of commercial contract with the statutory representative – a Contract for the Performance of Duties, as the statutory representative is not an employee. The coexistence of a Contract for the Performance of Duties of an Executive and an employment relationship must be viewed very sensitively, and it is always necessary to consult in advance.

Other conclusions

  • Ongoing legal proceedings. In case of a potential transaction, it is necessary to take into consideration not only the number of court proceedings in which the seller is involved, including the matters they concern, the value of these disputes, the predicted outcome and associated risks for the purchaser. The existence of a legal dispute does not necessarily mean that the transaction will fail if the seller provides the purchaser with sufficient guarantees in the transaction documentation in the event of the failure of the acquired company concerning the dispute.„“. Banks and credit institutions often base their assessment of a company's creditworthiness as a debtor on the personal and financial circumstances of the entire group of companies to which the target company belongs. Parent companies often provide collateral for loans taken out by their subsidiaries (e.g., guarantees, liens on the parent company's assets in favour of the bank). Under loan agreements banks protect themselves by requiring that they must give their consent to the sale of a subsidiary (as the new owner may not have sufficient assets to secure the loan of the subsidiary as a borrower). If the bank does not give its consent even though it is required, according to the loan agreements the consequence usually is the possibility of redeeming in the entire loan at once (the debtor loses the benefit of instalments and must repay the entire balance of the loan in full within a specified period).
  •  Change of control clauses in loan agreements. Banks and credit institutions often base their assessment of a company's creditworthiness as a debtor on the personal and financial circumstances of the entire group of companies to which the target company belongs. Parent companies often provide collateral for loans taken out by their subsidiaries (e.g., guarantees, liens on the parent company's assets in favour of the bank). Under loan agreements banks protect themselves by requiring that they must give their consent to the sale of a subsidiary (as the new owner may not have sufficient assets to secure the loan of the subsidiary as a borrower). If the bank does not give its consent even though it is required, according to the loan agreements the consequence usually is the possibility of redeeming in the entire loan at once (the debtor loses the benefit of instalments and must repay the entire balance of the loan in full within a specified period).
  • Conditions and permits associated with business activities in regulated markets. If the intended purchase is a stake in a company operating in a regulated market (e.g., energy market, financial market, transport, etc.), it is necessary to verify that the company has all the necessary permits required for access into these markets. At the same time, it is important to examine whether the company meets all specific regulatory requirements – in the case of certain violations, sanctions amounting to several percent of turnover may be imposed.

How to avoid mistakes?

Investing in a high-quality legal review always pays off – whether in the form of a better negotiating position or the certainty that the transaction will proceed without unpleasant surprises.

This article is only a basic overview of common risks that arise in the legal due diligence process. It is not a comprehensive legal assessment of individual legal issues and risks and cannot replace specific legal advice on any individual matter.

Therefore, we recommend consulting an expert in advance to assess possible risk areas regarding a specific transaction or purchase.

It is advantageous if you are guided through the purchase process by an expert with many years of experience in various areas of transactions, who also a guarantees the quality and reliability of the outputs from the legal review. The backbone of the team is typically an expert in M&A and commercial law, who ensures the timely and correct movement of the entire legal team.

In case you are considering investing in the purchase of an office building or land, it is advisable to add a specialist in real estate and construction law to your team, who will be able to thoroughly assess the pitfalls of your prospective property.

If you are planning to buy a company operating in the energy market, it is advisable to seek advice from an experienced energy lawyer who will alert you to all the significant risks associated with regulated business.

Or if you want to acquire a stake in a high-tech company that, for example develops new AI software, we recommend that you consult an experienced legal specialist in intellectual property (IP law) and an expert in the dynamically developing field of digital space regulation, cybersecurity, and compliance.


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