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NERTUS Mantenimiento Ferroviario y Servicios, S.A.

Versión en castellano

Postal address Antonio de Cabezón, s/n
E-28034 Madrid. Spain
Telephone +34 91 300 98 99 Fax +34 91 300 98 76 E-mail Web
Company data

Joint Venture between Siemens (51%) and Renfe (49%).


Management team

CEO: José Ignacio Martín-Yagüe. CFO: Guillermo Horacio Giordano.


Main products and services

Integral maintenance of rolling stock.

Revision and repair of mechanical and electronically components.

Installation and update of onboard equipment in trains fleet.

Railway support services.

Accident train repair.

Design and fabrication of test bench.



Top products: MAINTENANCE: 1. Repairs & Services Center (CRS).  2. Project VELARO E. 3. Project  447.  4. Project SS.TT.


Activity Integral maintenance of rolling stock and installations related to this activity. Installation services of equipment shipped and repair of railway components..

Activities by year

Activities in 2019: 

- Integral maintenance of 26 High Speed trains VELARO E at Santa Catalina (Madrid) and La Sagra (Toledo) depots.

- Integral maintenance of 78 trains series 447 for Rodalies Catalunya at Cornella de Llobregat depot - (Barcelona), and associated facilities.

- Traction system maintenance for 84 CIVIA Serie trains in Madrid at Atocha depot.

- Air conditioning equipment maintenance for Renfe Fabricación y Mantenimiento (depots in Barcelona, Valencia, Murcia, Sevilla, Cerro Negro, Zaragoza, Irún, El Berrón, Santander y Balmaseda among others.).

- Repair of railway equipments (pantograph, compressors, dampers, wheelsets, etc.) and electronic components (displays, doors controllers, Passenger Information System, etc.).

- Technical Assistance in track in city centers of Madrid and Barcelona, as well as to High-speed trains.

- Installation of on-board equipment to national level (customers: Siemens, Indra, GMV, SEPSA-MEDHA etc.).

- Software Update and improvement of safety of on-board equipment (Digital ASFA, ETCS, legal keyloggers, etc.).

- Repair of accidents.

- Improved reliability of equipment and railway components.


Innovations and continuous improvement projects in 2019:

- Implementation of a maintenance data acquisition using mobile terminals.

- Development of test benches for several railway systems (ERTMS, ASFA Digital, Train to Wayside System, etc.).

Areas Throughout Spain.

Certifications Quality and Environment: Certification of the integrated management system, according to UNE-EN ISO 9001, 14001, 45001 and OHSAS 18001 (Quality, Environment and Occupational Health and Safety Assessment Series).
ISO 45001:2018 Certificated achieved, regarding the System of Management of Health and Safety at work.

Activities Components, Mechanical construction, Maintenance, Others, Track.
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