A German technology company opens a subsidiary in Barcelona, hires twelve engineers under individual contracts. Additionally. Six months later faces a collective redundancy challenge from the works council. all before its HR team has reviewed the applicable collective agreement. This scenario is common. Spanish employment legislation combines strong individual protections, layered collective bargaining obligations, and mandatory social security contributions into a system that regularly surprises international employers unfamiliar with civil law labour traditions.
Employment law in Spain governs the relationship between employers and employees through a dense body of labour legislation, collective agreements. Additionally. Social security rules enforced by specialist labour courts and, ultimately, the Tribunal Supremo (Supreme Court of Spain). International employers must register workers with the Spanish social security system before the first day of work. Negotiate or apply the relevant collective agreement for the sector. Additionally, follow strictly timed dismissal and termination procedures to avoid unfair dismissal liability. Non-compliance triggers reinstatement orders or mandatory severance payments calculated on seniority and salary.
This page sets out the key legal instruments, procedural timelines, common pitfalls for international businesses, cross-border and EU considerations, and a self-assessment checklist for companies establishing or managing a workforce in Spain.
The regulatory setting for employers in Spain
Spain's employment law regime rests on a multi-layered structure. Labour legislation sets the minimum floor. Collective agreements – negotiated at national, sector, or company level – sit above that floor and frequently impose more generous conditions on salary, working hours, and redundancy. Individual employment contracts must respect both layers. Where a contract falls below the collective agreement standard, courts apply the more favourable provision automatically.
The primary branches of legislation covering employment relationships in Spain include labour law governing individual contracts, collective bargaining law, social security legislation, and workplace health and safety rules. Each branch has its own enforcement authority: the labour inspectorate handles social security and safety breaches; labour courts adjudicate individual disputes; the Tribunal Supremo sets binding doctrine on disputed legal questions.
For companies incorporated as a Sociedad Anónima (SA) or Sociedad de Responsabilidad Limitada (SL) – the two most common commercial forms – employment obligations attach from the moment the first worker is engaged. Registration in the Registro Mercantil (Commercial Register) establishes the legal employer; failure to register before hiring creates personal liability for directors. International businesses entering Spain via a branch or a representative office face identical obligations under employment legislation, regardless of the corporate form chosen.
The collective agreement applicable to a business is determined by sector and territory, not by the employer's choice. A Madrid-based SL in the technology sector will fall under the national collective agreement for that sector unless it negotiates a company-level agreement. Misidentifying the applicable collective agreement – a frequent error among foreign employers – exposes the company to back-pay claims for the difference between what was paid and what the agreement requires, plus interest.
For companies with related corporate law matters in Spain, employment obligations are closely linked to the corporate structure chosen at incorporation. Decisions made at that stage. particularly the choice between SA and SL. Additionally, whether to use a branch or a subsidiary. directly affect collective bargaining coverage. Works council thresholds. Additionally, director liability under employment and social security legislation.
Key instruments: contracts, dismissal, and collective procedures
Spanish employment law recognises several contract types. The standard indefinite contract carries the strongest protection. Fixed-term contracts are permitted only in defined circumstances under labour legislation. for a specific project, a seasonal need. Alternatively. A substitution. and misuse of fixed-term arrangements converts them into indefinite contracts automatically, with full severance rights attached. Employers who routinely use short fixed-term chains to avoid indefinite-contract protections face reclassification across all affected workers simultaneously.
Part-time contracts require precise specification of working hours and distribution in writing. Any hours worked beyond those specified are treated as overtime, triggering additional social security contributions and potential penalties. The labour inspectorate audits part-time arrangements as a priority area.
Individual dismissal follows a mandatory written procedure. The employer must deliver a written dismissal letter stating the grounds and the effective date. The notice period is determined by the employment contract and the applicable collective agreement – commonly between fifteen days and three months depending on seniority. Failure to provide the letter in the correct form, or omission of mandatory grounds, renders the dismissal null and void regardless of the substantive reason.
Spanish labour legislation distinguishes between three categories of dismissal: disciplinary, objective, and collective. Disciplinary dismissal requires a current, serious, and proven breach by the worker. Objective dismissal covers economic, technical, organisational, or production grounds affecting one to several workers below the collective redundancy threshold. Each ground carries different severance calculations and procedural requirements.
The severance formula for unfair dismissal is calculated on the basis of salary and length of service. Courts award reinstatement or enhanced compensation when procedural defects are found, even where the substantive grounds were valid. This de jure / de facto gap – where technically correct grounds are defeated by a procedural defect in the dismissal notice – is among the most costly mistakes international employers make in Spain.
Collective redundancy – the expediente de regulación de empleo (ERE) – applies when dismissals exceed statutory thresholds within a ninety-day period, calculated by reference to the workforce size. The ERE procedure requires a mandatory consultation period with workers' representatives, typically lasting thirty days, reduced to fifteen days for companies with fewer than fifty employees. During this period the employer must provide detailed economic documentation and negotiate in good faith. Failure to complete the consultation period, even where economic grounds are demonstrably solid, invalidates the entire collective dismissal and exposes the employer to reinstatement of all affected workers.
Social security contributions apply from the first day of employment. The employer's contribution rate is substantial and covers pension, unemployment, healthcare, professional contingencies, and other statutory funds. Late registration or under-reporting of salary generates surcharges, interest, and potentially criminal liability for the company's legal representatives. The social security system in Spain operates through the Tesorería General de la Seguridad Social (General Social Security Treasury), which cross-references payroll data against tax filings and labour inspection reports.
To receive an expert assessment of your employment obligations in Spain, contact us at info@ferrazwhitmore.com.
Practical pitfalls for international employers
International businesses entering Spain frequently underestimate the role of collective agreements. These agreements govern not only minimum salary but also working time, overtime supplements, shift premiums, notice periods, productivity bonuses, and seniority allowances. An employer applying only the statutory minimums, while the applicable collective agreement requires more, will face retroactive claims covering the full period of non-compliance – sometimes extending back several years.
A second recurring problem concerns the works council. Spanish labour legislation requires the election of a works council in companies with fifty or more employees at a single workplace. Companies with between ten and forty-nine workers elect a delegado de personal (employee delegate). Both bodies have mandatory consultation rights before changes to working conditions, business transfers, and redundancies. Failing to consult – even informally – is treated as a substantive procedural defect, not a technicality.
Probationary periods are valid only if agreed in writing at the start of employment. The maximum duration varies by contract type and collective agreement. Once the probationary period expires, dismissal during that window is no longer available. Many international employers assume a verbal agreement or a reference in the offer letter is sufficient – it is not. Spanish courts require explicit written agreement in the employment contract itself.
The use of a Notario (notary) is not required for standard employment contracts. However. Certain instruments. including agreements settling employment disputes or modifying collective agreement terms at company level. may require notarial form or registration to be enforceable against third parties. Employers who skip this step find their agreements unenforceable when disputed before labour courts.
Secondments from foreign group entities to Spain create specific risks. If the economic reality of the relationship satisfies the criteria for an employment relationship under Spanish law. regular work, subordination. Salary. Additionally, personal service. Spanish courts will recognise an implied employment contract, regardless of the label used. This triggers social security obligations, collective agreement coverage, and unfair dismissal protection from the start of the assignment.
Remote work arrangements are governed by a dedicated legislative regime in Spain. Employers must formalise a written remote work agreement, register it with the public employment service, and provide the worker with equipment and expense reimbursement. The obligation applies regardless of the proportion of remote work agreed. Many international businesses operating distributed teams across Spain have failed to implement these agreements systematically, creating significant retrospective exposure.
Cross-border and EU dimensions
Spain sits within the European single market. EU employment law directives – covering transfer of undertakings, collective redundancies, working time, data protection in employment, and posted workers – are directly implemented into Spanish employment legislation. International employers operating across multiple EU jurisdictions must map where each directive has been transposed at the higher end of the permitted range, as Spain's implementation is frequently more protective than the directive minimum.
The Tribunal Supremo has issued substantial doctrine on the interaction between EU law and Spanish employment legislation, particularly on fixed-term abuse, gender pay equality, and the classification of platform workers. Courts in Spain consistently hold that EU-derived rights cannot be waived by collective agreement or individual contract where they form part of the public policy floor.
Posted workers – employees sent from another EU member state to work in Spain – fall under the posted workers legislative regime. Spanish rules on minimum wage, working time, and health and safety apply from the first day of posting. The employer must appoint a local representative, file a prior declaration with the Spanish authorities, and maintain documentation accessible to the labour inspectorate during the posting period. Failure to comply triggers fines calculated per worker, not per breach.
For companies with parallel operations in Portugal, a closely related employment law system applies, shaped by the same EU directives but through a distinct national implementation. The employment law regime in Portugal shares structural similarities with Spain. both use collective agreements. Mandatory social security contributions. Additionally, labour court systems. but diverges in notice periods, severance calculations. Additionally, the procedural requirements for collective dismissal. Businesses operating in both Iberian markets benefit from an integrated approach that addresses the differences rather than applying the same template to both.
Business transfers – acquisitions of a going concern in Spain – automatically transfer all employment contracts, collective agreement obligations, and pending claims to the acquirer. The transferor and acquirer are jointly liable for employment obligations existing at the date of transfer. Buyers who fail to conduct thorough employment due diligence during M&A transactions acquire hidden liabilities for back pay, social security arrears, and pending tribunal claims without recourse against the seller once completion has occurred.
For a tailored strategy on cross-border employment matters involving Spain and other EU jurisdictions, reach out to info@ferrazwhitmore.com.
Self-assessment checklist for employers in Spain
Employment law support in Spain is applicable to your situation if one or more of the following conditions apply:
- You are incorporating a company in Spain – as an SA or SL – and will engage employees from day one.
- You have seconded staff to Spain from a foreign group entity and have not formalised a local employment contract.
- Your business has grown to a size triggering the works council or employee delegate threshold.
- You are planning redundancies – individual or collective – and have not mapped the applicable procedure and severance calculation.
- You are acquiring a Spanish business and have not completed employment due diligence covering contracts, collective agreements, and social security status.
Before initiating any employment procedure in Spain, verify the following:
- The applicable collective agreement has been identified correctly by sector and territory – not assumed from the contract wording.
- All employment contracts specify probationary period duration, working hours, and collective agreement reference in writing.
- Social security registration has been completed before the first working day for every employee.
- Remote work agreements, where applicable, have been formalised and registered.
- Any planned redundancy has been assessed against the collective dismissal thresholds for the ninety-day reference period.
The decision tree for dismissal in Spain follows this logic: if the grounds are disciplinary, the employer must follow the written letter procedure and observe any collective agreement requirements for prior hearings. if the grounds are objective. The employer calculates severance at the statutory rate and gives advance notice. if the dismissal meets collective thresholds, the ERE consultation procedure is mandatory regardless of the quality of the economic grounds. Using the wrong procedure for the right grounds produces unfair dismissal liability. Using the right procedure for unsupported grounds produces the same result.
An additional guide on company formation steps. including registration with the Registro Mercantil and appointment of a Notario. is available in our guide to company formation in Spain. This sets out how corporate structure choices interact with subsequent employment obligations.
Frequently asked questions
- How long does a collective redundancy consultation period last in Spain, and what happens if the employer does not complete it?
- The mandatory consultation period in Spain is thirty days for most companies, reduced to fifteen days for companies with fewer than fifty employees. The period runs from the date formal consultation begins with workers' representatives. If the employer does not complete the consultation – even where the economic grounds are sound – the collective dismissal is declared null and void, and affected workers are entitled to reinstatement with back pay. Engaging a lawyer in Spain with experience in collective procedures before initiating the ERE is the most effective way to manage this risk.
- Does a collective agreement apply to my company automatically, or can I opt out?
- In Spain, collective agreements apply automatically to all employers and workers in the sector and territory they cover. A law firm in Spain advising international businesses consistently notes that foreign employers often assume they can contract out of collective agreements by using individual contracts with higher-than-minimum pay – this assumption is incorrect. The collective agreement governs all conditions it addresses, not only salary, and higher pay in one area does not offset non-compliance in another.
- What are the financial consequences of misclassifying a worker as self-employed rather than as an employee in Spain?
- Spanish labour courts and the labour inspectorate apply an economic reality test to determine employment status. Where a self-employed arrangement is reclassified as an employment relationship. The employer becomes liable for all social security contributions from the start of the relationship. both the employer's share and the worker's share not collected at source. plus interest, surcharges, and potential fines. Severance rights under the applicable collective agreement also attach retroactively. The financial exposure scales directly with the length of the misclassified relationship.
About Ferraz & Whitmore
Ferraz & Whitmore is an international law firm based in Lisbon, advising business clients across 46 jurisdictions. Our employment law practice supports international companies managing Spanish workforces, structuring cross-border employment arrangements, handling collective redundancy procedures, and resolving labour disputes before Spanish courts and administrative bodies. We combine Portuguese civil law expertise with English common law tradition – a dual perspective that gives clients operating across the Iberian Peninsula and wider EU a coherent, integrated approach rather than jurisdiction-by-jurisdiction patchwork advice. The firm's employment team includes practitioners with experience before Spanish labour courts and before the Tribunal Supremo, as well as familiarity with EU-level employment directives as transposed across member states. As an international law firm serving clients across Europe, we work with entrepreneurs, institutional investors, and in-house legal teams who need employment counsel that spans multiple legal systems. To discuss your employment situation in Spain, 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.