A European construction group signs a long-term supply contract with a Greek counterparty. The agreement is silent on dispute resolution. Two years later, a payment dispute arises. and the group's in-house counsel realises the choice between a Greek domestic arbitral tribunal and an international forum carries consequences for timeline. Enforceability. Additionally, cost that were never anticipated at signing. That silence in the contract is one of the most common and expensive mistakes foreign businesses make when operating in Greece.
Commercial arbitration in Greece is governed by civil procedure legislation, which distinguishes between domestic and international arbitration proceedings. The seat of arbitration determines which procedural rules apply, which court supervises the proceedings, and how the resulting award can be enforced abroad. Greece is a signatory to the New York Convention on award enforcement, making properly structured arbitration one of the most reliable mechanisms for resolving cross-border commercial disputes involving Greek parties.
This guide walks through the procedural requirements step by step, compares local and international forum options, identifies the documentary checklist every party should prepare, and sets out a practical decision framework for different business scenarios.
The Greek arbitration landscape: domestic vs international proceedings
Greek civil procedure legislation establishes two distinct arbitration regimes. The domestic regime applies when both parties are Greek-resident or when the dispute has no meaningful international element. The international regime – modelled closely on UNCITRAL principles – applies where at least one party is domiciled or has its principal place of business outside Greece. Alternatively. There. The subject matter of the dispute crosses borders.
In practice, the distinction matters because the rules governing tribunal composition, challenge procedures, and grounds for setting aside an award differ between the two regimes. International parties frequently underestimate this. They assume Greek domestic arbitration works like ICC Rules or LCIA proceedings. It does not.
For domestic disputes, the Efteterio (Court of Appeal) of the district where the arbitration is seated supervises the proceedings and hears any challenge to the award. For international arbitration seated in Greece, the same court has supervisory jurisdiction, but the grounds for intervention are narrower – reflecting the internationally accepted principle of minimal judicial interference with commercial arbitration.
The Athens Chamber of Commerce and Industry (Viotechniki Epimeleteirio Athinon) operates the most established domestic arbitral institution in Greece. It administers cases under its own procedural rules and provides a list of approved arbitrators. For lower-value domestic disputes, this route offers a cost-proportionate and procedurally familiar environment. For disputes involving foreign parties or cross-border contracts, the institutional choice becomes more strategic.
International businesses operating in Greece frequently prefer to seat arbitration in an internationally recognised venue – Paris, London, Geneva, or Vienna – while designating Greek law as the governing law of the contract. This separates the supervisory jurisdiction from the substantive law question. Greek courts will then apply their own civil procedure legislation to enforce a foreign-seated award through the recognition process under the New York Convention.
For a detailed overview of litigation and arbitration services available to businesses operating in Greece, see our litigation and arbitration practice in Greece.
Step-by-step procedural timeline for arbitration in Greece
Understanding the sequence of steps – and the realistic time each takes – allows parties to plan resources and manage expectations from the outset.
Step 1 – Drafting the arbitration agreement (pre-dispute). The arbitration clause or submission agreement must be in writing. Greek arbitration legislation requires a clear expression of intent to arbitrate. The clause should specify: the seat of arbitration, the applicable institutional or ad hoc rules, the number of arbitrators, the language of proceedings, and the governing law. An ambiguous clause can be challenged at the outset, delaying proceedings by several months before the substantive dispute is even addressed.
Step 2 – Triggering the arbitration (day 1 to week 4). The claimant files a request for arbitration. Under ICC Rules, this goes to the ICC Secretariat with a description of the dispute, the relief sought, and the arbitration agreement. Under UNCITRAL rules in ad hoc proceedings, the notice of arbitration goes directly to the respondent. Under domestic Athens Chamber rules, the request is filed with the Chamber's arbitration secretariat. Response time for the respondent is typically 30 days.
Step 3 – Constitution of the arbitral tribunal (weeks 4 to 12). For a sole arbitrator, the parties should agree within the time set by the relevant rules. For a three-member tribunal, each party nominates one co-arbitrator, and the two co-arbitrators – or the institution – appoint the presiding arbitrator. Challenges to arbitrator independence are resolved at this stage. Delays in constitution are common when parties disagree on the presiding arbitrator, adding four to eight weeks.
Step 4 – Preliminary hearing and procedural timetable (months 3 to 4). The tribunal holds a preliminary procedural hearing to set the timetable for written submissions, document production, and the hearing on the merits. In complex commercial disputes, the parties may agree on a document production protocol. Greek arbitration practice does not follow the broad discovery model of common law systems. Document production is targeted and proportionate.
Step 5 – Written submissions and evidence (months 4 to 14). The claimant files its statement of claim with supporting documents and witness statements. The respondent files its defence. A reply and rejoinder may follow. Expert witnesses on technical or quantum matters are appointed during this phase. This is the longest phase in most commercial arbitrations. Complex construction, energy, or M&A disputes can extend it beyond 12 months.
Step 6 – Hearing on the merits (months 14 to 20). The tribunal holds an oral hearing. Witnesses and experts are examined. In Greece-seated proceedings, Greek is typically the language of any court supervision, but the arbitration itself may run in English or another agreed language. Hearing length varies from two days to several weeks depending on case complexity.
Step 7 – Deliberation and award (months 18 to 30). After the hearing, the tribunal deliberates and issues its final award. Under most institutional rules, a time limit for rendering the award applies – typically six months from the close of proceedings, subject to extension. The award must be reasoned, signed by the arbitrators, and deposited with the competent court registry if required under Greek procedural law for domestic awards.
Step 8 – Enforcement of the award. A domestic award becomes enforceable upon court deposit and the expiry of any challenge period, typically three months. For foreign awards, the party seeking enforcement in Greece must apply to the competent court for recognition under the New York Convention. The court reviews procedural compliance and public policy grounds – it does not re-examine the merits. This recognition process typically takes three to six months before the Greek courts.
Documentary checklist and common errors by foreign clients
Preparation of documents is one area where foreign parties consistently underperform relative to their Greek counterparts. Greek civil procedure legislation and arbitration practice place a high premium on documentary evidence. Oral testimony alone rarely carries sufficient weight.
The core documentary package for any commercial arbitration in Greece includes:
- The original signed contract and all amendments, together with any applicable general terms and conditions
- The arbitration agreement or clause – clearly extracted and separately identifiable
- All correspondence, including emails, that evidences the dispute's factual background
- Financial records, invoices, payment confirmations, and account statements relevant to the claim
- Expert reports on technical matters or quantum, prepared in advance of filing
A common error is filing the request for arbitration before the documentary record is organised. Tribunals notice gaps in the evidence package. A respondent's counsel will exploit those gaps. Re-submitting documents mid-proceedings draws attention to the weakness and can undermine credibility with the tribunal.
Translation requirements deserve particular attention. Where proceedings are conducted in Greek – as in most domestic arbitrations – all foreign-language documents must be accompanied by certified Greek translations. For international proceedings in English, Greek-language documents from the counterparty must be translated into the language of the arbitration. Translation costs accumulate quickly in document-heavy cases.
Another frequent mistake involves the power of attorney. Foreign companies appearing in Greek arbitration proceedings must file a notarised and apostilled power of attorney authorising their legal representatives. Missing or improperly legalised powers of attorney can trigger a jurisdictional objection at the outset. This is a procedural formality, but it has derailed more than one international client's case at the preliminary stage.
Parties that have not preserved their contemporaneous records – particularly project correspondence in construction disputes – often find themselves reconstructing a narrative from fragmentary evidence. Greek arbitral tribunals expect a complete factual chronology supported by primary documents. A narrative unsupported by contemporaneous records carries significantly less weight than one anchored to a clear documentary timeline.
For cross-border disputes where corporate governance or shareholder arrangements intersect with the arbitral proceedings, our team's corporate disputes practice in Greece covers the procedural intersections in detail.
Cost ranges, forum selection, and the decision framework
Choosing between a domestic Greek forum and an international institution is not purely a legal question. It is an economic and strategic one. The right answer depends on the value of the dispute, the identity of the counterparty, the importance of enforcement abroad, and the commercial relationship between the parties.
For disputes below a certain threshold – broadly, those where the claim value does not justify the overhead of ICC or LCIA proceedings – domestic Athens Chamber arbitration offers a cost-proportionate alternative. Institutional fees are lower. Arbitrator fees are regulated by the applicable tariff. The proceedings operate in Greek, which reduces translation costs if both parties have Greek-language capacity. The trade-off is a narrower pool of arbitrators and a less internationally portable award.
For mid-to-high-value cross-border disputes, ICC Rules or UNCITRAL ad hoc proceedings seated outside Greece. but applying Greek law as the governing law – tend to produce awards that are more straightforwardly enforceable in multiple jurisdictions. ICC institutional fees and arbitrator fees for larger disputes can reach tens of thousands of euros before legal counsel costs are added. UNCITRAL ad hoc proceedings avoid institutional fees but require the parties to manage the administrative process themselves, which increases the burden on counsel.
The seat of arbitration is a distinct question from the governing law. A dispute governed by Greek commercial legislation can be arbitrated in Paris. The award will be a French-seated award subject to French supervisory jurisdiction – but Greek courts will still apply their substantive law principles when hearing any ancillary applications or enforcement proceedings in Greece. This split between seat and governing law is entirely standard in international practice and offers tactical flexibility.
The decision framework can be expressed through three scenario types:
Scenario A – Domestic supplier dispute (contract value under EUR 500,000). Both parties are commercially active in Greece. Enforcement will be in Greece. The Athens Chamber domestic route is proportionate. The proceedings will conclude within 12 to 18 months. Translation costs are minimal. The risk of a setting-aside challenge is low where the arbitration clause is well-drafted.
Scenario B – Cross-border construction or energy contract (contract value EUR 1 million to EUR 10 million). One party is a foreign investor or contractor. Enforcement may be required in multiple jurisdictions. ICC Rules with a seat in Paris, Vienna, or Geneva, applying Greek law as the governing substantive law, offers the broadest enforcement reach. Proceedings will run 24 to 36 months for complex matters. Total costs – institutional fees, arbitrator fees, and legal counsel on both sides – can reach six figures for disputes at the higher end of this range.
Scenario C – Joint venture or M&A dispute (high value, multi-party). Multiple parties, multiple governing laws, complex factual record. A three-member tribunal under ICC or LCIA rules with an experienced presiding arbitrator is appropriate. The seat should be chosen for its arbitration-friendly supervisory courts and ease of enforcement. London, Paris, and Geneva each offer strong institutional infrastructure. Greek law issues – including corporate legislation and commercial legislation – are addressed through expert evidence on Greek law.
Award enforcement deserves a strategic note. Greece's participation in the New York Convention means that Greek-seated awards are enforceable in over 170 signatory states. Equally, foreign awards are enforceable in Greece through the recognition procedure before Greek courts. Courts reviewing enforcement requests apply a limited, procedural lens – they do not rehear the merits. The main grounds for refusal are procedural irregularity and violation of Greek public policy. In practice, public policy challenges succeed rarely. Tribunals that follow proper notice and due process requirements produce awards that withstand enforcement scrutiny in the great majority of cases.
To explore legal options for structuring your arbitration strategy in Greece, schedule a consultation at info@ferrazwhitmore.com.
Self-assessment checklist before initiating arbitration in Greece
Before committing to arbitration proceedings, use the following checklist to verify readiness:
- The arbitration clause or submission agreement is in writing and clearly identifies the seat, rules, number of arbitrators, and language of proceedings
- The time limit for commencing arbitration under the applicable rules and under any contractual limitation period has not expired
- All key documentary evidence – contracts, correspondence, financial records – is organised, indexed, and available in the required language
- A notarised and apostilled power of attorney has been prepared for the legal representative
- The economic case for arbitration has been assessed: claim value vs. estimated costs vs. enforcement likelihood in the relevant jurisdiction
This approach is applicable if: the contract contains a valid arbitration clause or both parties agree to submit the dispute to arbitration. the dispute is commercial in nature. and either the claim value justifies the procedural costs or enforcement in multiple jurisdictions is a priority. If the contract is silent on dispute resolution, Greek civil procedure legislation allows for a submission agreement to be concluded after the dispute arises – but both parties must consent.
For a comparison of the arbitration process in a neighbouring civil law jurisdiction, our guide to commercial arbitration in Portugal sets out the parallel procedural steps and key differences.
Frequently asked questions
Q: How long does commercial arbitration in Greece typically take?
A: Domestic arbitration before a Greek arbitral tribunal generally concludes within 12 to 24 months from the constitution of the tribunal, depending on the complexity of the dispute and the responsiveness of the parties. International proceedings seated in Greece under ICC Rules or UNCITRAL rules tend to run 18 to 36 months for multi-party or high-value matters. Expedited procedures, where available, can reduce timelines to under 12 months.
Q: Is a Greek court arbitration award automatically enforceable abroad?
A: A common misconception is that a Greek arbitral award enforces itself across borders. In reality, enforcement in a foreign jurisdiction requires a separate recognition procedure under the New York Convention, to which Greece is a signatory. The enforcing court in the destination country will review procedural compliance and public policy grounds before granting enforcement. Choosing an internationally recognised seat of arbitration and drafting a watertight award helps minimise enforcement challenges.
Q: What costs should a foreign business budget for arbitration in Greece?
A: Engaging a lawyer in Greece for arbitration work involves both legal fees and institutional costs. Domestic arbitration fees before the Athens Chamber of Commerce and Industry are generally lower than ICC proceedings. For international arbitration, institutional filing fees, arbitrator fees, and legal counsel costs can reach tens of thousands of euros for mid-value disputes. Translation and document preparation costs add a further layer, particularly where Greek-language submissions are required.
About Ferraz & Whitmore
Ferraz & Whitmore is an international law firm based in Lisbon, advising business clients across 46 jurisdictions. Our team combines Portuguese civil law expertise with English common law tradition to deliver cross-border arbitration and dispute resolution strategies for clients operating in Greece and across the broader European and Mediterranean region. We advise international entrepreneurs, institutional investors, and in-house legal teams on forum selection, arbitration clause drafting, tribunal proceedings, and award enforcement under the New York Convention. As a law firm in Greece and across Europe, Ferraz & Whitmore supports clients who need cross-border legal counsel that understands both civil law procedure and international arbitration practice. Our arbitration team has advised on ICC, UNCITRAL, and institutional proceedings across civil law and common law systems. The firm's Lisbon base provides direct access to EU regulatory conditions, while our common law expertise supports enforcement strategies before English-speaking courts. To receive an expert assessment of your arbitration options in Greece, contact us at info@ferrazwhitmore.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. Ferraz & Whitmore 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@ferrazwhitmore.com.