Posting workers to Spain is becoming an increasingly popular topic among Polish construction, installation, technical, and industrial companies. Spain, as a top destination for international projects, imposes several formal and legal requirements on employers. To post workers to Spain in compliance with the law, certain conditions must be met – including registering the company in the REA register, submitting the posting declaration, and ensuring full compliance with Spanish health and safety regulations.
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REA Company Registration – A Mandatory Step Before Starting Work in Spain
If you plan to post workers to Spain in the construction sector, your company must be registered with the REA (Registro de Empresas Acreditadas) – the Spanish register of companies authorized to carry out construction services. This obligation also applies to foreign companies.
REA registration in Spain is mandatory when:
- the company plans to carry out construction work in Spain (even temporarily)
- workers will be performing tasks in one of the Spanish autonomous communities
The REA application must be submitted in the region where the work will be performed. Required documents include:
- proof of legal business activity
- documentation confirming that employees have completed H&S training in accordance with Spanish law
- appointment of a local representative (legal proxy) in Spain
Health & Safety Obligations in Spain – Training, Documentation, Equipment
Spain has strict health and safety (H&S) standards, especially in construction. Employers posting workers must ensure:
- H&S training for employees in Spain – often, certifications in Spanish are required, in line with the Spanish Labour Code
- Protective clothing and H&S equipment – helmets, safety boots, high-visibility vests, all compliant with Spanish standards
- H&S documentation – such as the Plan de Seguridad y Salud (Health and Safety Plan for the construction site), often required by main contractors
- Medical certificates in Spanish – accepted by local H&S authorities
Failure to provide the required documentation or training may result in workers being barred from the construction site by the site manager or Spanish labour inspectors.
Penalties and Risks – What Happens If You Don’t Comply?
Failing to register with REA, incorrectly notifying the posting of workers to Spain, or non-compliance with H&S regulations can result in:
- fines imposed by the Spanish Labour Inspectorate
- immediate suspension of construction work
- joint liability for the contractor and investor
Posting Workers to Spain – Stress-Free with IMPOL
Posting workers to Spain in 2025 is a multi-step process that requires knowledge of local regulations. Submitting a posting declaration, REA registration, H&S compliance, and appointing a local representative in Spain are just a few of the employer’s obligations.
The IMPOL team will handle the entire posting process for you:
we will register your company in the REA
appoint a local representative in Spain
prepare complete H&S documentation
submit employee posting notifications in full compliance with Spanish law
With our support, your employees will start working in Spain legally, safely, and on time – without the risk of fines or project delays.
