Collective Labour Disputes in Spain: How Companies Should Respond

Company representatives and employee representatives managing a collective labour dispute in Spain
Table of contents:

When an Employment Dispute Becomes a Collective Matter Affecting the Organisation

Collective labour disputes in Spain represent one of the most complex and high-impact scenarios within employment relations management. Unlike individual disputes, where the discussion focuses on the specific and individual circumstances of an employee, collective disputes affect a general group of employees or a common interest that extends beyond individual cases.

For companies, these disputes require a particularly strategic approach. The interpretation of a collective agreement, an organisational decision, a change in the way certain employment conditions are applied or a disagreement with employee representatives may quickly develop into a collective dispute with a direct impact on the organisation’s cost structure and employment relations.

The way in which a company manages the early stages of a dispute is decisive. Negotiation, internal communication and prior legal preparation may prevent an initial difference in interpretation from becoming judicial proceedings. When a collective dispute reaches the courts, the company must be prepared to defend the lawfulness of its actions and demonstrate that its decisions complied strictly with the applicable legal framework.

What Is a Collective Labour Dispute in Spain?

A collective labour dispute in Spain is a current legal dispute affecting a general group of employees and concerning the application, interpretation or recognition of a collective interest.

Its procedural regulation is contained in Article 153 of Law 36/2011 of 10 October, regulating employment jurisdiction, which provides that claims affecting the general interests of a general group of employees or a general group capable of individual identification, and concerning the application or interpretation of a state law, collective agreement, company agreements or arrangements, or a collective business decision, are to be dealt with through collective dispute proceedings.

These disputes may arise, among other reasons, from differences relating to:

  • The interpretation of clauses in a sectoral or company collective agreement.
  • The application of collective employment conditions.
  • Working time, schedules and shift systems.
  • Professional classification and workforce categorisation.
  • Salary structures and the payment of salary supplements.
  • Collective business decisions, such as those regulated under Articles 40.2, 41.2 and 47 of the Employees’ Statute.

Differences Between Collective and Individual or Multiple Employment Disputes

Determining whether a dispute is collective or individual is essential, as this distinction affects both the applicable procedure and the legal strategy of the parties.

The decisive factor in determining whether a dispute is collective or instead individual or multiple is the type of assessment required to examine and resolve the issue:

  • Collective dispute: If the claim can be resolved in abstract terms, without taking into account the individual circumstances of each employee, the appropriate route will be collective dispute proceedings, as established by the doctrine of the High Court of Justice (Roj: STSJ M 16285:2025 · ECLI: ES:TSJM:2025:16285).
  • Individual or multiple dispute: Where resolving the claims requires consideration of the personal and specific circumstances of each affected individual, the matter must be dealt with through ordinary proceedings, regardless of whether a large number of employees are affected, as confirmed by the High Court of Justice (Roj: STSJ GAL 6124:2025 · ECLI: ES:TSJGAL:2025:6124).

Main Causes of Collective Labour Disputes in Companies

Collective disputes often arise at times when employment conditions are being transformed or when there is disagreement regarding the interpretation of the applicable rules.

One of the most common areas concerns the application of collective agreements. Disputes regarding salaries, working time, professional classification or certain rights recognised under collective agreements may affect entire groups of employees. Disputes may also arise when a company introduces organisational changes with a collective impact, such as changes to working systems, the reorganisation of shifts, the implementation of new tools or changes to the internal structure.

Business restructuring processes can also create situations in which collective bargaining and dispute management become particularly important. In all these circumstances, anticipation is essential. Appropriate planning can prevent an initial disagreement from developing into a judicial dispute.

Negotiation as the First Tool for Managing a Collective Dispute

Before going to court, negotiation should play a central role in managing a collective dispute. The existence of opposing positions does not necessarily mean that there is no scope for reaching an agreement.

For the company, this stage requires a combination of legal analysis and strategic thinking. It is not simply a matter of defending a particular interpretation, but of understanding the origin of the dispute, assessing alternatives and determining which solutions may be sustainable for the organisation.

Well-managed negotiations can avoid economic costs, reduce uncertainty and preserve the relationship with employee representatives. Conversely, poor management of the dispute can increase internal tension and make future negotiations more difficult.

Good Faith in Collective Labour Disputes

Good faith is one of the fundamental principles governing the management of collective disputes. Although the parties may maintain different positions, the process must be conducted with a genuine willingness to engage in dialogue and seek solutions.

The company is not required to accept every proposal put forward by employee representatives, but it must act transparently and consistently throughout the process. The courts pay particular attention to whether the parties had a genuine opportunity to exchange arguments, provide information and consider alternatives.

A purely formal negotiation or insufficient communication may subsequently become evidence of bad-faith bargaining in judicial proceedings, as analysed in the judgment of the National High Court (Roj: SAN 3411:2025 · ECLI: ES:AN:2025:3411).

Collective Disputes and the Interpretation of Collective Agreements

A significant proportion of collective labour disputes in Spain arise around the interpretation and application of collective agreements. Collective agreements regulate numerous aspects of the employment relationship, but their practical application may create uncertainty regarding the scope of particular clauses.

In these circumstances, the company must analyse not only the literal wording of the collective agreement, but also its purpose, background and historical application within the organisation. An incorrect interpretation by the company may generate collective claims with economic and organisational consequences.

For this reason, it is advisable to conduct a prior legal analysis before applying criteria that may affect large groups of employees.

Employer Defence in Collective Dispute Proceedings

When a collective dispute reaches the courts, the company must be prepared to justify the lawfulness of its actions. Judicial defence will largely depend on the work carried out during the preceding stages.

The courts will analyse the applicable legislation, the relevant collective agreement, the communications exchanged, the available documentation and the consistency between the company’s decision and the legal framework.

The company’s procedural position is not built only when it receives a claim. It is built from the moment the dispute arises. Proper prior management allows the company to present stronger arguments and a more solid evidentiary basis.

The Importance of Evidence in Collective Labour Disputes

Evidence plays a decisive role in collective dispute proceedings. The company must be able to prove the reasons for its actions, particularly where there is a disagreement regarding the interpretation of a legal rule or the application of a business measure.

The documentation generated throughout the process is essential:

  • Formal communications with employee representatives.
  • Minutes of meetings of the negotiating committee or the joint committee established under the collective agreement.
  • Internal technical, economic or organisational reports.
  • Previous collective agreements or records of the company’s historical practice.

Documentary consistency allows the company to demonstrate that its actions were not arbitrary, but rather based on a reasoned and legally supported interpretation.

Collective Disputes During Business Transformation Processes

Business transformation processes are one of the scenarios in which collective disputes are most likely to arise. Restructuring, internal reorganisations, changes to working systems or changes resulting from new business strategies may affect entire groups of employees.

In these circumstances, the company must pay particular attention to communication, negotiation and compliance with legally established procedures. A business measure may be justified from an organisational perspective, but incorrect management of the process may create significant legal risks.

The way in which the negotiation is conducted may be just as relevant as the business decision itself.

The Role of Human Resources in Managing Collective Disputes

Human Resources departments play an essential role in preventing and managing collective disputes. HR should identify early signs of tension, coordinate internal communication and work together with management and legal advisers to define an appropriate strategy.

Communication with employees and employee representatives is particularly important. Insufficient information or a lack of clarity may increase uncertainty and contribute to the escalation of the dispute.

Effective Human Resources management can transform a potentially disruptive situation into an organised process of dialogue and negotiation.

Common Mistakes Companies Make When Facing Collective Disputes

  • Treating a collective dispute as an individual matter: Failing to adapt the strategy and overlooking the fact that the judicial resolution will affect the workforce or a general group of employees in a uniform and undifferentiated manner.
  • Failure to document the process: Not preparing minutes of previous meetings or failing to record the company’s proposals and justifications in writing.
  • Starting negotiations without a defined legal strategy: This may weaken the company’s procedural position if the dispute ultimately becomes judicialised.
  • Ignoring the role of the Joint Committee under the Collective Agreement: Failing to approach the bodies responsible for interpreting and mediating the collective agreement before adopting unilateral measures.

Collective Disputes as a Strategic Business Matter

Collective labour disputes in Spain should not be understood solely as judicial proceedings. They represent a strategic issue affecting the organisation, the stability of employment relations and the company’s ability to implement change.

Proper management allows companies to anticipate risks, improve negotiations and build a strong legal position. The key is not only to resolve the dispute once it arises, but to develop employment structures that allow it to be prevented and managed effectively.

At Suárez de Vivero, we advise national and international companies on collective disputes, collective bargaining, collective agreements, employment litigation, business restructuring and relations with employee representatives.

Frequently Asked Questions About Collective Labour Disputes in Spain

What is a collective labour dispute in Spain?

It is a current legal dispute affecting a general group of employees or a group capable of individual identification, concerning the interpretation or application of a rule, collective agreement, company agreement or collective business decision, in accordance with Article 153.1 of the Labour Jurisdiction Act.

Is it mandatory to attempt conciliation or mediation before bringing a collective dispute claim?

Yes. Under Article 63 of the Labour Jurisdiction Act, attempting prior conciliation or mediation before the relevant administrative services, such as the Interconfederal Mediation and Arbitration Service (SIMA) or the equivalent regional bodies, is a mandatory procedural requirement before bringing a judicial collective dispute claim.

What happens if the parties reach an agreement while the judicial proceedings are ongoing?

Under Article 162 of Law 36/2011 of 10 October, regulating employment jurisdiction, if the court receives notification from the parties that the dispute has been resolved, the court clerk will proceed to close the proceedings without further action, regardless of the stage reached before judgment.

Who has standing to bring a collective dispute claim?

Under Article 154 of the Labour Jurisdiction Act, collective dispute proceedings may be brought by trade unions whose scope of activity corresponds to or is broader than the scope of the dispute, the bodies representing employees, works councils and employee representatives, as well as the relevant employers and employer associations.

Picture of Núria Zaragoza
Núria Zaragoza

Núria Zaragoza is a Partner at Suárez de Vivero and advises companies on Labor Law, labor relations, collective bargaining, and corporate governance.

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Legal Disclaimer: This publication is intended for general information purposes only and does not constitute legal advice or a professional opinion. Legal developments may affect the matters discussed. For advice tailored to a specific situation, please contact Suárez de Vivero.

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