How to negotiate commercial agreements with Czech partners as an Estonian business

Mgr. Vojtěch Sucharda
Mgr. Vojtěch Sucharda
10.4.2026 | ARROWS law firm

This comprehensive report examines the critical legal and practical challenges faced by Estonian businesses when negotiating commercial agreements with Czech partners. Based on extensive research into Czech civil law, it identifies frequent mistakes, explores legal nuances, and provides guidance to avoid costly errors like unenforceable agreements or massive penalty assessments.

The Czech Republic and Estonia operate within the European Union's harmonized legal framework, yet they retain distinct domestic legal traditions. While both systems are grounded in civil law, their practical application differs significantly. For Estonian businesses, the Czech legal system can appear formalized, rigid, and complex.

The fundamental challenge lies in the assumption that doing business with a Czech company will be legally identical to domestic transactions. This assumption has proven to be a costly mistake. The Czech legal system contains specific mandatory provisions that cannot be bypassed by contract.

What appears to be a standard commercial arrangement in Tallinn may trigger unforeseen legal liabilities or validity issues in Prague.

This report synthesizes current information on Czech commercial law as of 2026 through the lens of international business practices. Estonian businesses failing to structure agreements properly risk void contracts, uncapped penalties, or restricted termination rights.

Foundational differences in contractual practice

While both Estonia and the Czech Republic are civil law jurisdictions, the approach to contract drafting often differs. Estonian practice is influenced by Nordic styles where contracts attempt to be self-contained. The Czech Republic operates under a Civil Code providing default rules filling gaps left by contracts.

In Czech legal practice, contracts exist within the comprehensive framework of the Civil Code.

Czech contracts might appear shorter because many rights, obligations, and procedural rules are automatically supplied by the law unless the parties explicitly contract out of them. For Estonian businesses, this creates a potential trap.

An entrepreneur might review a Czech-drafted contract and assume that missing clauses mean those issues are unregulated, while the Civil Code actually fills these gaps.

Using a standard "international" English-style contract in the Czech Republic without adapting it to local mandatory law can lead to clauses being invalid. This often happens because they contradict the cogent (mandatory) provisions of Czech law.

The principle of good faith and pre-contractual liability

A critical aspect of commercial law is the robust enforcement of good faith ( poctivost ) and fair dealing. The Civil Code explicitly establishes that parties must act honestly and in good faith in legal dealings. This is an enforceable legal standard, not merely an ethical guideline.

Under Czech law, this extends to pre-contractual liability ( culpa in contrahendo ).

Parties are free to negotiate, but they must not negotiate if they have no intention to conclude the contract. If negotiations reach a point where the conclusion of the contract appears highly probable, and one party terminates without a just cause, they may be liable for losses.

In the Czech Republic, abruptly ending advanced negotiations to take a better offer without a justifiable reason can lead to litigation.

1. Does the principle of good faith apply to all my commercial agreements with Czech partners?
Yes, the duty to act honestly and in good faith is a fundamental principle of the Czech Civil Code (§ 6) and applies to all stages of the relationship. It is a mandatory rule that cannot be excluded by contract.

2. What happens if I walk away from negotiations with a Czech company after weeks of detailed discussions?
If the contract conclusion appeared "highly probable" and you terminate negotiations without a "just cause," you may be liable for the other party's loss (typically costs incurred and potentially lost opportunities). It is advisable to document valid commercial reasons for termination if you withdraw at a late stage.

3. Can a Czech partner modify their contractual obligations mid-performance based on changed circumstances?
Yes, under specific conditions (§ 1765 Civil Code). If an unforeseeable change in circumstances creates a "gross disproportion" in the parties' rights and obligations, the affected party may seek renegotiation. This right can be waived in the contract, which is a standard clause Estonian businesses should look for.

The strict nature of Czech contractual penalties

One of the most dangerous areas for foreign investors is the regime of contractual penalties ( smluvní pokuta ). Czech law is very creditor-friendly in this regard, and the legal nature of the penalty differs from the "liquidated damages" concept found in international contracts.

Under Czech law, a contractual penalty is a standalone institute intended to deter breach and punish the defaulting party.

Unless agreed otherwise, the penalty is generally payable regardless of fault in B2B relations. The creditor can claim the penalty even if they suffered no actual damage. Furthermore, payment of the penalty does not release the debtor from the obligation to perform the primary duty.

Most Czech commercial contracts explicitly state that the creditor is entitled to damages in addition to the penalty.

This creates a critical asymmetry where an Estonian company faces uncapped damages plus the penalty. Czech law permits contractual penalties that are substantial, provided they are not contra bonos mores . A penalty of 0.05% per day is standard, but higher rates can be enforceable depending on the context.

When Czech courts moderate contractual penalties

Czech law provides a mechanism for protection where courts have the authority to moderate a penalty that is "inappropriately high". However, relying on this is risky as moderation is not automatic and must be requested by the debtor.

The court does not eliminate the penalty but reduces it to a level consistent with the value and significance of the secured obligation.

Additionally, the burden of proof lies with the Estonian company to show the penalty is grossly disproportionate. An Estonian company cannot rely on moderation as a safety net. The only safe approach is to negotiate reasonable caps and rates explicitly in the contract.

Contractual penalties and late payment interest

It is crucial to distinguish between penalties and statutory interest. Under Czech law, creditors are entitled to statutory interest on late payments. A contractual penalty for late payment is separate and cumulative to this interest.

An Estonian company paying late might face statutory default interest, a contractual penalty, and compensation for recovery costs.

Formal requirements and contract validity issues

While the Czech Civil Code generally emphasizes informality, specific types of agreements have mandatory written requirements. Failure to satisfy them renders the contract invalid or void.

A critical example for cross-border business is the Commercial Agency Agreement ( Smlouva o obchodním zastoupení ), which must be in writing.

An Estonian company might agree via email or phone with a Czech partner to act as their agent. Under Czech law, without a single written document signed by both parties, this contract is void.

The consequences are severe, as the agent may not be entitled to the agreed commission mechanisms.

Exclusivity clauses discussed orally are unenforceable, and non-compete clauses are invalid. Other agreements requiring written form include contracts transferring real estate, copyright licenses in certain aspects of exclusivity, and specific financial instruments.

1. What types of Czech commercial contracts must be in writing to be valid?
Commercial agency agreements, contracts involving real estate rights, and licenses where exclusivity is granted usually require written form. Generally, it is best practice to have all B2B contracts in writing to ensure clarity and evidence.

2. Is an email exchange sufficient to conclude a "written" contract?
For ordinary contracts, an exchange of emails can constitute a valid agreement. However, for contracts where the law demands "written form" (like Commercial Agency), a simple email body might be insufficient without a qualified electronic signature. The safest method is a single document signed by both parties.

3. What happens if I fail to execute a required written agreement?
The contract may be deemed invalid (null and void). If performance has already occurred, parties may have to settle based on the principles of unjust enrichment, which is legally complex and often less favorable than the intended contractual terms.

How Czech limitation periods work

The Czech Civil Code establishes a specific regime for the statute of limitations that foreign businesses must monitor. The general limitation period is three years from the moment the right could be first exercised.

Rights generally expire ten years from when the right matured, regardless of knowledge.

For Estonian businesses, it is vital to note that limitation periods can be modified by contract in B2B relationships. Parties can agree to shorten or extend the limitation period from 1 to 15 years.

It is common for Czech drafts to extend the limitation period for the creditor's rights to 10 years, putting the debtor at a disadvantage.

Additionally, acknowledging a debt interrupts the limitation period and starts a new ten-year period from the acknowledgement. Estonian managers must be careful not to casually acknowledge disputed debts in correspondence.

Termination rights and contractual relationships

Czech law provides statutory notice periods for indefinite-term contracts, which apply if the contract is silent. For Commercial Agency Agreements, the Civil Code mandates notice periods based on the duration of the relationship.

These are mandatory minimums for the agent's benefit. An Estonian principal cannot terminate a long-standing Czech agent with 30 days' notice, even if the contract says so. The statutory minimum prevails.

Force majeure and changed circumstances

While force majeure is recognized, Czech law also includes the concept of hardship. If a change in circumstances creates a gross disproportion in obligations, the affected party can seek renegotiation.

If the Estonian party wants fixed prices regardless of inflation or market shifts, the contract must explicitly exclude the application of the relevant Civil Code sections.

Dispute resolution and enforcement challenges

Since both Estonia and the Czech Republic are EU member states, the recognition and enforcement of court judgments are governed by EU Regulation. An Estonian court judgment is automatically enforceable in the Czech Republic.

However, relying on national courts can still be slow. Litigating in Czech courts requires all documents to be translated into Czech, and proceedings are conducted strictly in the Czech language.

International arbitration as a strategic choice

For cross-border transactions, international arbitration is often the superior choice. It avoids "home court advantage" for the Czech party and allows for English as the language of the proceedings.

Common choices include the Arbitration Court attached to the Czech Chamber of Commerce or international venues like the ICC. When drafting arbitration clauses, specificity is key to ensure validity.

1. Is it difficult to enforce an Estonian court judgment in the Czech Republic?
Legally, no. Under EU Regulation Brussels I bis, it is straightforward. However, practical hurdles (language barriers, hiring local enforcement agents/bailiffs) exist. You will need a Czech bailiff ( exekutor ) to seize assets.

2. Why choose arbitration over courts?
Speed, confidentiality, and the ability to litigate in English. Also, under the New York Convention (1958), arbitral awards are easily enforceable globally, even outside the EU.

3. Can we choose Estonian law to govern the contract?
Yes, under the Rome I Regulation (EU), parties can generally choose the governing law. However, even if you choose Estonian law, certain overriding mandatory provisions of Czech law (e.g., public policy issues, specific agency protections) might still apply if the performance is in the Czech Republic.

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Common mistakes made by Estonian businesses

Mistake 1: Underestimating the specificities of the Czech Civil Code

The most common error is assuming that general commercial logic applies without checking the specific statutory rules of the Czech Civil Code. Estonian businesses often use "light" contracts, expecting the business relationship to be governed by trust.

If the contract does not explicitly exclude certain dispositive provisions, the statutory rules apply. This often works to the detriment of the supplier or creditor.

Many Estonian companies view legal review as a final "check-box" step. However, structural decisions such as defining the relationship as a mandate versus a service contract have profound tax and liability implications in the Czech Republic.

ARROWS Law Firm advises involving counsel at the term-sheet stage, as the firm handles Czech commercial contracts daily and is insured for damages up to CZK 400,000,000.

Mistake 3: Ignoring the "cumulative" nature of penalties

Estonian drafters often see a penalty clause and assume it replaces damages. In Czech drafts, the phrase "this does not affect the right to damages in full amount" is standard.

Accepting this without a cap creates potentially unlimited liability exposure.

Mistake 4: Overlooking formal requirements

Failing to put an agency agreement or a license agreement containing exclusivity in writing is a fatal error. The contract is void from the beginning ( ab initio ).

This creates a legal mess where parties must return "unjust enrichment" rather than enforcing the deal.

Risks associated with Czech commercial contracts

Risks and Sanctions

How ARROWS Lawyers Help (office@arws.cz)

Uncapped Liability: Agreeing to penalties + damages without limits.

Drafting & Negotiation: We insert statutory caps and modify "cumulative" penalty clauses to protect your exposure.

Void Contracts: Missing written form for Agency/Real Estate.

Validity Check: We verify that the contract meets the strict formal requirements of the Civil Code § 2483 and others.

Pre-contractual Liability: Getting sued for walking away from a deal.

Strategic Advisory: We guide you on how to terminate negotiations safely without triggering culpa in contrahendo liability.

Unexpected Statute of Limitations: Liability extending to 10-15 years.

Review: We ensure limitation periods are standard (3 years) and not contractually extended to your detriment.

Inefficient Dispute Resolution: Getting stuck in Czech courts for years.

Arbitration Clauses: We draft precise arbitration clauses selecting neutral forums and English language.

Business and cultural considerations

Czech business culture is generally formal and hierarchical. Unlike the flatter structures often found in Estonia, Czech decision-making often requires approval from top management.

Formality involves using titles until invited to use first names. Czechs may also be less direct than Estonians, where a "maybe" often means "no". Negotiations take time, and rushing a partner is often viewed with suspicion.

Trust and verification

While Czechs value long-term relationships, the initial phase is often characterized by skepticism. Detailed contracts are not a sign of mistrust but of professionalism. Do not be offended if a Czech partner scrutinizes every clause.

Recommendations for Estonian businesses

Explicitly decide whether to use Czech or Estonian law. If using Czech law, you must have a Czech lawyer review it. A robust Czech contract should explicitly state which sections of the Civil Code are excluded.

Never sign a penalty clause without a maximum aggregate cap. Also, explicitly state that amendments to the contract must be in writing to be valid to prevent accidental oral modifications.

Documentation best practices

Keep records of negotiations to defend against potential pre-contractual liability claims. If an oral agreement is made, confirm it immediately in writing.

Always verify the Czech partner in the Commercial Register ( Obchodní rejstřík ) to ensure the person signing has the legal authority to bind the company.

The international dimension: ARROWS Law Firm's experience

ARROWS Law Firm, a leading commercial law firm operating in the Czech Republic, brings extensive experience handling cross-border matters. The firm understands the intersection of EU law and Czech domestic specifics.

ARROWS Law Firm assists Estonian and other international clients in structuring market entry into the Czech Republic, including drafting bilingual contracts that are fully enforceable.

With a team experienced in international transactions and high professional liability insurance coverage, ARROWS offers the security required for significant cross-border operations.

Executive summary for management

For senior managers, it is vital not to assume EU uniformity. Czech Civil Code rules on penalties, termination, and liability differ materially from Estonian practice.

Czech law allows penalties plus damages, which can double your risk exposure, so negotiating caps is essential.

Avoid Czech state courts for complex international disputes if possible; choose international arbitration. Engaging Czech counsel for a review before signing is a low-cost investment compared to the risk of void contracts.

Conclusion

Estonian businesses entering the Czech market face a sophisticated but distinct legal environment. The Czech Civil Code offers flexibility but imposes strict boundaries on good faith, formalities, and liability.

The difference between a profitable partnership and a costly legal dispute often lies in the quality of the initial contract.

The solution is straightforward: involve experienced Czech legal counsel early. ARROWS Law Firm specializes in guiding foreign companies through the Czech legal landscape, ensuring that your commercial agreements are not just translated, but legally adapted.

Contact ARROWS Law Firm at office@arws.cz to discuss your Czech commercial relationships and ensure that your agreements are properly structured.

1. What is the most common "surprise" for foreign investors in Czech contracts?
The cumulative nature of contractual penalties and damages. Unless explicitly excluded, paying a penalty does not stop the Czech partner from suing you for damages exceeding that penalty.

2. Are Czech contractual penalties limited by law?
There is no statutory maximum percentage, but they must not be contrary to "good morals." Courts can moderate them, but this requires litigation. A penalty of 0.05% per day is generally safe; anything above 0.5% per day is risky/aggressive.

3. Does an agency agreement need to be in writing?
Yes. Under § 2483 of the Czech Civil Code, a commercial agency agreement requires written form. Without it, the contract is invalid.

4. What is the statute of limitations in the Czech Republic?
Generally 3 years (subjective) and 10 years (objective). However, parties can agree to extend this up to 15 years. Check your contract to ensure you haven't inadvertently agreed to a 10-year liability period.

5. Can we use English language for the contract?
Yes, Czech law allows contracts in foreign languages. However, for dispute resolution in Czech state courts, the contract will need to be officially translated. This is why arbitration (where English can be the official language of proceedings) is recommended.

6. How can I verify if my Czech partner is reliable?
Check the Commercial Register ( Obchodní rejstřík ) for their legal status, registered capital, and authorized representatives. For a deeper check on insolvency, use the Insolvency Register ( Insolvenční rejstřík ). ARROWS Law Firm can perform a full legal due diligence.

Disclaimer: The information contained in this article is for general informational purposes only and serves as a basic guide to the issue as of 2026. Although we strive for maximum accuracy, laws and their interpretation evolve over time. We are ARROWS Law Firm, a member of the Czech Bar Association (our supervisory authority), and for the maximum security of our clients, we are insured for professional liability with a limit of CZK 400,000,000. To verify the current wording of the regulations and their application to your specific situation, it is necessary to contact ARROWS Law Firm directly (office@arws.cz). We are not liable for any damages arising from the independent use of the information in this article without prior individual legal consultation.

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