Sindicato Libre Metro de Madrid

A union for Metro de Madrid employees

Sindicato Libre Metro de Madrid is a labor union whose membership consists exclusively of Metro de Madrid employees. According to figures the union publishes, it has nearly 50 years of history, more than 1,000 members, and six representatives on the company's works council, making it the fourth-largest union at Madrid's subway system.

Representation and member services

The union represents Metro de Madrid employees. It describes itself as strong, independent, and self-sufficient, and offers members personalized, accessible support. Its Infolibre section provides updates about the company.

Publications include information about the 2025–2028 collective bargaining agreement, notices about the closure of Line 6, and media interviews with its secretary general, including an interview with elDiario.es.

Organization

The website describes the union's structure, including its executive committee, contributors, works council, and working committees. It also publishes its bylaws and a work calendar.

Office visits and contact

• Phone: +34 91 379 87 32
• Email: info@slibremetro.es
• Additional email: slibrems@gmail.com
• Office visits: Monday through Friday on business days, 8:00 a.m.–1:00 p.m.; an appointment is required

The union is on Facebook, YouTube, and Instagram and provides a contact form on its website.