How to Bring a Cross‑border Commercial Claim in Switzerland (2026), Step‑by‑step

Knowing how to bring a cross‑border commercial claim in Switzerland in 2026 requires mastery of a procedural landscape that changed materially on 1 January 2026. Federal amendments to the Federal Act on Private International Law (PILA) and to Switzerland’s declaration under the Hague Evidence Convention now allow videoconference witness testimony, simplified voluntary participation in foreign proceedings, and, in selected cantons, English‑language pilot chambers for international commercial disputes. This guide sets out the full procedure from jurisdiction testing and pre‑filing evidence preservation through to service abroad, provisional measures, and enforcement of judgments. It is written for general counsel, in‑house legal teams, fund managers, and international trading or FinTech businesses that need a reliable procedural roadmap for cross‑border commercial litigation in Switzerland.

Overview of the Process and Who It Applies To

A cross‑border commercial claim in Switzerland is any civil or commercial dispute, contractual, tortious, or insolvency‑related, involving at least one foreign element. That element may be a party domiciled abroad, a contract governed by foreign law, assets located in another jurisdiction, or evidence that must be obtained from outside Switzerland. Typical cases include breach of supply or distribution agreements, commodity trading disputes, payment or delivery defaults, trade‑finance claims, and asset‑recovery actions connected to insolvency proceedings.

Switzerland’s procedural framework for these claims rests on two primary statutes. The PILA governs jurisdiction, applicable law, and the recognition and enforcement of foreign judgments and arbitral awards. The Swiss Code of Civil Procedure (ZPO/CPC) sets out the domestic procedural rules that apply once a Swiss court accepts jurisdiction. Where a valid arbitration clause exists, PILA Chapter 12 provides a self‑contained regime for international arbitration seated in Switzerland.

Before filing, every claimant faces a threshold decision: court litigation or arbitration. If the contract designates a Swiss arbitration seat, state courts will generally lack jurisdiction over the merits. If no arbitration clause exists, or if the claimant needs urgent provisional measures before a tribunal is constituted, Swiss state courts become the primary route. Evidence‑only actions are also common: a party to foreign litigation may need to collect testimony or documents located in Switzerland. The 2026 reforms to cross‑border evidence rules have accelerated this process, but compliance with Article 271 of the Swiss Criminal Code (SCC) remains mandatory.

Eligibility and Prerequisites for a Cross‑Border Commercial Claim in Switzerland

Jurisdiction: Contractual and Statutory Tests

Swiss courts accept jurisdiction requirements under several connecting factors defined by the PILA. The simplest is a contractual choice‑of‑forum clause designating a particular Swiss canton. Where no such clause exists, the PILA provides default rules: jurisdiction at the defendant’s domicile or habitual residence in Switzerland; jurisdiction at the place of performance of the disputed obligation; and, for tort claims, jurisdiction at the place where the harmful act occurred or its effects were felt. Where the defendant has no Swiss domicile but holds assets in Switzerland, a provisional attachment of those assets under the Federal Debt Enforcement and Bankruptcy Act (DEBA/SchKG) may create a jurisdictional anchor.

For disputes between parties from states bound by the Lugano Convention, that instrument’s jurisdiction rules prevail over the PILA.

Courts and Pilot International Commercial Chambers

Cross‑border commercial claims are typically heard by cantonal commercial courts, specialised divisions that exist in cantons including Zurich, Bern, Aargau, and St. Gallen. These courts handle disputes of a commercial nature where at least one party is entered in the commercial register. Under reforms that took effect alongside the 2026 evidence changes, cantons may now declare international commercial courts competent where the dispute concerns the business activities of at least one party, the amount in dispute is at least CHF 100,000, and the parties expressly agree on the jurisdiction of that court. Certain cantons have launched pilot chambers that accept proceedings in English where both parties consent and the court grants permission.

Industry observers expect additional cantons to adopt these pilots over the coming years. For future contracts, including an express language‑of‑proceedings clause designating English and naming a pilot canton is recommended.

Arbitration vs Swiss State Court

Arbitration under PILA Chapter 12 is generally preferable where the contract already contains an arbitration clause, where confidentiality matters, where the parties want to select their adjudicators, or where enforcement will be sought in a New York Convention state. Swiss court litigation is more appropriate where no arbitration agreement exists, where urgent interim relief is needed before a tribunal is constituted, or where the claimant needs to attach Swiss‑located assets under DEBA/SchKG. Many cross‑border commercial claims involve both tracks: an attachment or freezing application in court, followed by arbitral proceedings on the merits.

Step‑by‑Step Procedure to Bring a Cross‑Border Commercial Claim in Switzerland

The following numbered steps set out the operational flow from pre‑filing preparation through to enforcement. The timeline table below summarises each stage, the responsible actor, and realistic durations.

Step 1, Complete the Pre‑Filing Checklist

Before any filing, take three immediate actions. First, issue an evidence preservation hold to all internal teams and relevant counterparties. Instruct IT to suspend routine data‑deletion policies, back up email servers and messaging platforms, preserve metadata on all electronically stored information (ESI), and document the chain of custody for hard‑copy records. Second, assess whether interim relief is needed urgently, if assets are at risk of dissipation, move directly to provisional measures (Step 5) and apply ex parte before the formal claim is filed. Third, send a formal demand letter to the opposing party, setting out the claim, the legal basis, and the relief sought.

A demand letter is not always a statutory prerequisite in Switzerland, but it is standard commercial practice and may establish the start date for default interest under the Swiss Code of Obligations.

Step 2, Select the Forum and Draft the Statement of Claim

Confirm the appropriate forum: the canton designated in the contract, the canton of the defendant’s domicile, or the canton where provisional relief is sought. Determine whether the cantonal commercial court has jurisdiction (commercial‑register requirement) or whether a general civil court applies. If the parties have agreed to English‑language proceedings and the chosen canton participates in the international commercial court pilot, request language permission at this stage. Prepare the statement of claim (Klageschrift / demande), which must specify the jurisdictional basis, the factual narrative, the legal grounds, and the precise relief sought. Attach all supporting evidence available at the time of filing and prepare a notarised power of attorney where foreign counsel represents the claimant.

Step 3, File the Claim with the Competent Court

File the statement of claim at the competent cantonal court. Pay the court filing fee, which is calculated on the amount in dispute and varies by canton. The claim must be filed in the official language of the canton, German, French, or Italian, unless proceedings in English have been authorised. All foreign‑language contracts and supporting evidence must be accompanied by certified translations. The court will issue a procedural acknowledgement and assign the case to a docket. In certain cantons, a conciliation hearing before the justice of the peace is required before the case reaches the commercial court.

Where the amount in dispute exceeds CHF 100,000 and both parties agree, the parties may waive conciliation and proceed directly to the commercial court.

Step 4, Serve Documents Abroad and Comply with Article 271

Where the defendant is domiciled outside Switzerland, service must comply with the Hague Service Convention if the destination state is a contracting party. The claimant transmits the documents, together with any required translations, through the Swiss central authority (the cantonal court or the FOJ, depending on the canton) to the foreign central authority for service on the defendant. This process typically takes 2–12 weeks depending on the receiving state’s efficiency. For non‑Hague states, consular or diplomatic service channels apply, which are generally slower and less predictable.

Article 271 SCC is a critical compliance checkpoint for service abroad Switzerland. This provision criminalises the performance on Swiss territory of acts on behalf of a foreign state, a foreign public authority, or a foreign organisation without official authorisation. In practical terms, a foreign litigant or foreign authority cannot directly instruct witnesses, collect documents, or conduct depositions on Swiss soil without going through proper channels, either the FOJ, the Hague Evidence Convention process, or by obtaining prior authorisation. Violations expose the actors involved to criminal penalties. The 2026 reforms have relaxed the framework for voluntary participation and videoconference testimony, but the core Article 271 prohibition remains in full force.

Any evidence‑gathering activity in Switzerland must be reviewed by Swiss counsel for Article 271 compliance before it commences.

Step 5, Apply for Interim and Provisional Measures

Where there is a credible risk of asset dissipation, destruction of evidence, or irreparable harm, apply for provisional measures. Swiss courts can grant asset attachments (Arrest) under DEBA/SchKG, freezing orders, and other protective relief. Applications may be made ex parte in urgent cases, courts can hear and decide these within 24–72 hours. The applicant must demonstrate a prima facie claim, a credible risk of prejudice, and proportionality. In most cases, the court will require the applicant to post a security deposit to cover potential damages if the measures later prove unjustified. Once granted, the measures must be validated by commencing the main proceedings within a court‑imposed deadline, typically 10–30 days.

Failure to meet this deadline causes the measures to lapse automatically.

Step 6, Gather Cross‑Border Evidence Under the 2026 Rules

The process for gathering cross‑border evidence in Switzerland changed on 1 January 2026. Key reforms include the ability for witnesses and experts in Switzerland to give testimony by videoconference in aid of foreign proceedings without requiring foreign judicial officers to be physically present on Swiss soil, and the right of persons in Switzerland to voluntarily participate in foreign proceedings, including providing documents and answering questions, without triggering the full FOJ authorisation process. As of 1 January 2026, it is no longer necessary to obtain prior authorisation for participating in a foreign court hearing in many scenarios. The traditional letter‑rogatory route through the Hague Evidence Convention remains available where witnesses are uncooperative or formal compulsion is required.

Typical timeframes for evidence collection range from 2–6 weeks for straightforward documentary requests to 3–6 months for multi‑witness, cross‑border exercises. Courts may appoint their own experts, though party‑appointed experts are accepted subject to court approval.

Step 7, Obtain Judgment and Enforce

Once evidence has been taken and oral hearings concluded, the court renders its judgment. For domestic enforcement, the prevailing party uses the procedures in the ZPO/CPC and DEBA/SchKG to enforce against the losing party’s Swiss‑located assets. For enforcement of foreign judgments in Switzerland, the Lugano Convention governs recognition between Switzerland and EU/EFTA member states; other foreign judgments require recognition under the PILA. Arbitral awards rendered in Switzerland are enforceable directly under the ZPO/CPC. Foreign arbitral awards benefit from recognition and enforcement under the New York Convention, to which Switzerland is a contracting party. The enforcement stage typically takes 1–6 months depending on the complexity of the assets and any defences raised by the judgment debtor.

Documents Needed for a Cross‑Border Commercial Claim in Switzerland

Compiling the correct documentation before and during proceedings is essential. Missing or improperly formatted documents are among the most common causes of procedural delay. The table below covers both filing requirements and evidence‑gathering needs for a cross‑border commercial claim.

Before filing, verify that every document requiring legalisation or apostille has been properly certified. Build in at least 2–3 weeks for translations and notarisations when planning the filing timeline. Many cantonal courts still require originals or certified copies; confirm electronic‑filing acceptance with the specific court registry.

Timeline and Key Deadlines for a Cross‑Border Commercial Claim in Switzerland

Realistic timelines vary significantly by claim complexity, the number of parties, and whether evidence must be collected from multiple jurisdictions. The table below provides indicative ranges for routine and complex claims.

Statutes of limitation. As a general rule under Swiss law, claims become time‑barred after 10 years unless specific provisions in federal civil law dictate otherwise. Certain claim types, including tort and specific commercial categories, are subject to shorter limitation periods. Claimants must verify the applicable limitation period for their specific cause of action before commencing proceedings. An expired limitation period is a complete defence that cannot be remedied after the fact.

Deadlines after interim relief. Where a court grants provisional measures before the main claim is filed, the applicant must commence proceedings on the merits within a court‑imposed deadline, typically 10–30 days. Missing this deadline results in automatic lapse of the provisional measures and potential liability for damages under the security deposit.

The 2026 cross‑border evidence reforms have compressed the evidence‑gathering phase in many cases. The likely practical effect will be a reduction of several weeks in the average duration for obtaining witness testimony from Switzerland where videoconference options are used instead of the traditional letter‑rogatory process.

Costs, Fees, and Tax Considerations

Cost recovery. Swiss courts award costs to the prevailing party under the ZPO/CPC, but the recoverable amount typically does not cover the full hourly rate of external counsel. Parties engaged in cross‑border commercial litigation should budget for an irrecoverable cost component. Including an indemnity‑costs clause in future contracts can help mitigate this gap. Entities subject to Swiss or foreign regulatory frameworks, such as those holding an SRO license in Switzerland, should also consider the compliance‑cost implications of litigation disclosure obligations.

What Changes in 2026 for Cross‑Border Commercial Claims in Switzerland

The reforms effective 1 January 2026 represent the most significant modernisation of Switzerland’s cross‑border evidence framework in decades. Three changes carry the greatest practical impact for commercial claimants:

• Videoconference testimony. Witnesses and experts in Switzerland may now provide testimony by videoconference in aid of foreign proceedings, without the physical presence of foreign judicial officers on Swiss soil. This removes a major bottleneck that previously required formal letters rogatory for virtually all witness evidence.
• Voluntary participation without prior authorisation. As of 1 January 2026, it is no longer necessary to obtain prior authorisation for participating in a foreign court hearing in many scenarios. Persons located in Switzerland may voluntarily provide documents and answer questions for foreign proceedings without triggering the full FOJ authorisation process.
• Pilot international commercial courts. Cantons may now declare international commercial courts competent where the dispute involves business activities of at least one party, the amount in dispute reaches at least CHF 100,000, and the parties expressly agree. Selected cantons are operating pilot chambers that accept proceedings in English.

Critically, Article 271 SCC remains in force. The 2026 reforms do not authorise foreign states or their agents to conduct official acts on Swiss territory without authorisation. Any evidence‑gathering activity that goes beyond voluntary cooperation, such as a foreign regulator compelling testimony or conducting depositions, still requires FOJ clearance or a formal Hague Evidence Convention request. Early indications suggest that practitioners and the FOJ are still calibrating the boundary between “voluntary participation” and conduct that triggers Article 271. Swiss counsel should be instructed before any cross‑border evidence activity is initiated.

Common Pitfalls and How to Avoid Them

• Ignoring Article 271 risk. Foreign litigants and their agents who collect evidence on Swiss soil without authorisation face criminal exposure. Always route evidence requests through proper channels, the FOJ, the Hague Evidence Convention, or qualified Swiss counsel.
• Failing to preserve ESI and metadata. Delay in issuing a preservation hold can result in the routine destruction of critical electronic evidence. Implement holds immediately upon contemplation of litigation and document the chain of custody.
• Choosing the wrong service route. Consular service is slower and less predictable than the Hague Service Convention. Use the Hague route wherever the destination state is a contracting party.
• Not planning for translations and notarisation. Courts will reject filings accompanied by unverified foreign‑language documents. Build translation and legalisation time into the pre‑filing schedule, allow at least 2–3 weeks.
• Assuming English will be accepted. English proceedings are available only in participating pilot cantons and only with both parties’ consent and court approval. Confirm language availability before filing; include an English‑proceedings clause in future contracts.
• Missing provisional‑measures validation deadlines. If the court grants ex parte interim relief, the claimant must file the main claim within a court‑imposed deadline, typically 10–30 days. Missing this deadline causes the measures to lapse automatically and may trigger damages liability.

Sources

1. Federal Act on Private International Law (PILA), Chapter 12 (English Translation)
2. Swiss Code of Civil Procedure (ZPO / CPC), Fedlex
3. Bär & Karrer, New Rules to Facilitate Cross‑Border Civil Proceedings (Effective 1 January 2026)
4. Lenz & Staehelin, Taking of Evidence in Aid of Cross‑Border Civil Proceedings
5. ICLG, Litigation & Dispute Resolution Laws and Regulations 2026: Switzerland
6. Lexlink, Switzerland: International Commercial Court – A Milestone for Cross‑Border Disputes
7. Global Law Experts, Cross‑Border Commercial Litigation Switzerland 2026