Spanish Civil and Commercial Procedure: What International Law Firms Need to Know (2026 Guide)

A Practical Guide to Litigating, Enforcing Judgments, and Managing Disputes in Spain

By Roberto Cantos — Spanish Lawyer (Abogado) & Solicitor of England & Wales

International law firms increasingly encounter disputes, transactions, and enforcement matters involving Spain. Whether dealing with cross-border litigation, enforcement of foreign judgments, commercial disputes, insolvency, or regulatory matters, foreign practitioners must navigate a legal system that differs significantly from many common law jurisdictions.

Spain operates under a civil law, statute-based procedural framework with strict formalities, limited disclosure rules, mandatory court representatives, and evolving pre-litigation requirements. Without proper understanding of Spanish civil and commercial procedure, international firms risk delays, procedural challenges, and unenforceable outcomes.

This practical guide explains what foreign law firms must know before litigating, enforcing, or transacting in Spain.

1. Spanish Civil Law System and Court Structure

Spain follows a codified civil law system, where statutes are the primary source of law and judicial precedent has persuasive rather than binding authority.

Civil and commercial disputes are handled within the civil jurisdiction, which includes:

• Courts of First Instance (Juzgados de Primera Instancia)

• Commercial Courts (Juzgados de lo Mercantil)

• Provincial Courts (Audiencias Provinciales) for appeals

• Supreme Court (Tribunal Supremo) for cassation matters

Commercial Courts specialise in:

• Insolvency proceedings

• Corporate disputes

• Intellectual property

• Competition law

• Transport and business litigation

Certain courts in Alicante also exercise nationwide jurisdiction for EU trade mark and design disputes.

Recent structural reforms (2025–2027) introducing Tribunales de Instancia may affect venue strategy and procedural timelines, making local procedural knowledge essential for international firms.

2. Court Representation: The Role of Abogado and Procurador

One of the most distinctive features of Spanish procedure is the dual representation system.

In most civil and commercial proceedings, parties require:

• Abogado (lawyer) — legal defence and strategy

• Procurador (court representative) — procedural representation and court liaison

The procurador receives notifications, files documents electronically, and communicates with the court.

This structure is unfamiliar to many foreign practitioners and must be factored into litigation planning and budgeting.

3. Main Types of Civil Proceedings in Spain

Spanish civil procedure (Ley de Enjuiciamiento Civil — LEC) provides several procedural tracks.

Ordinary Proceedings (Juicio Ordinario)

Typically used for claims exceeding €6,000 or complex matters.

Key stages:

1. Statement of claim (demanda)

2. Defence within 20 working days

3. Preliminary hearing (audiencia previa)

4. Oral trial

5. Written judgment

Summary Proceedings (Juicio Verbal)

Used for lower-value disputes or specific legal matters, often involving streamlined hearings.

Recent reforms (2026) increased the threshold to €15,000 and expanded eligible subject matters.

Payment Order Procedure (Procedimiento Monitorio)

Designed for undisputed monetary claims supported by documentation.

This procedure is widely used for debt recovery involving Spanish parties.

4. Mandatory Pre-Litigation ADR in Spain (Major 2025 Reform)

A critical development for international law firms is Organic Law 1/2025, introducing mandatory pre-litigation ADR (MASC).

Before filing many civil claims, parties must attempt:

• Mediation

• Conciliation

• Negotiation

• Neutral expert opinion

• Binding settlement offers

Failure to demonstrate an ADR attempt may result in inadmissibility of the claim.

The reform also affects costs recovery, as unreasonable refusal to engage in ADR may prevent the successful party from recovering legal costs.

International firms should document ADR efforts carefully.

5. Evidence and Disclosure: No Common Law Discovery

Spain does not provide broad discovery mechanisms typical of common law systems.

Key characteristics:

• Parties bear the burden of proof

• Evidence must be prepared early

• Limited document production obligations

• Strict deadlines for evidence submission

• Expert reports subject to formal requirements

• Significant role of notarised documentation

Foreign lawyers must adapt evidentiary strategy accordingly.

6. Service of Process in Spain for International Litigation

Spain is a member of the Hague Service Convention.

Service typically occurs via:

• Central Authority channels

• Judicial officers

• Court-approved procedures

Certified Spanish translations are generally required.

Service timelines can be lengthy, and incorrect service is a common cause of enforcement problems.

Proper planning is essential.

7. Enforcement of Foreign Judgments in Spain

For EU judgments, Brussels I bis Regulation allows enforcement without exequatur.

For non-EU judgments (including UK judgments post-Brexit), Spain requires:

• Recognition proceedings (exequatur)

• Compliance with Law 29/2015 on International Legal Cooperation

• Supporting documentation and translations

International firms must plan recognition stages before enforcement actions such as asset seizure or garnishment.

8. Interim Measures (Medidas Cautelares)

Spanish courts may grant precautionary measures where:

• Prima facie case exists (fumus boni iuris)

• Urgency and risk are demonstrated (periculum in mora)

These measures differ from common law injunctions but remain a powerful tool in litigation strategy.

9. Costs and Cost Recovery in Spain

Spain generally applies a loser-pays principle (costas), but recent reforms link cost recovery to ADR conduct.

Costs may include:

• Lawyer fees

• Procurador fees

• Expert costs

• Court expenses

Unreasonable refusal to attempt ADR may affect cost awards even for successful parties.

10. Commercial Courts Strategy for International Businesses

Commercial Courts provide specialised expertise in:

• Corporate disputes

• Insolvency

• IP litigation

• Competition law

• Business conflicts

Forum selection between civil and commercial courts can significantly influence timing, cost, and outcome.

11. Key Procedural Reforms (2025–2026)

Recent reforms affecting international litigation include:

• Mandatory pre-action ADR

• Expanded summary procedure thresholds

• Greater procedural flexibility for evidence

• Digitalisation initiatives

• Court structural reorganisation

International firms should update internal protocols accordingly.

12. Practical Tips for International Law Firms Litigating in Spain

1. Front-load evidence — do not expect disclosure.

2. Select the correct forum early.

3. Budget for procurador and translations.

4. Plan service of process carefully.

5. Document ADR attempts.

6. Anticipate recognition procedures for foreign judgments.

7. Allow realistic timelines for Spanish proceedings.

Conclusion: Successfully Managing Litigation in Spain

Spanish civil and commercial procedure is structured, formal, and increasingly ADR-focused. For international firms unfamiliar with the system, the most significant differences include:

• Absence of general discovery

• Mandatory procurador representation

• Pre-litigation ADR requirements

• Procedural formalities

• Recognition rules for foreign judgments

• Evidence front-loading

By adapting litigation strategy to these features, international firms can manage disputes in Spain effectively and protect client interests.

Spanish Litigation Counsel for International Law Firms

If your firm requires a reliable Spanish legal partner to coordinate civil or commercial matters — including procedure, ADR compliance, enforcement, and cross-border strategy — I act as local counsel to international teams, ensuring seamless collaboration across jurisdictions.