Your rolling stock, our railway expertise

Railway expertise is at the heart of MASTERIS’ DNA. Our mission is to provide made-to-measure railway maintenance and engineering solutions.
Agility, Mastering, Engagement, are the core values defining MASTERIS.

About us
Our expertises

Locomotive Maintenance

Dependable availability of your rolling stock

Heavy Maintenance

Experience that makes the difference

Renovations & Upgrades

Make your rolling stock young again

Spare Parts

A network of partners at your service

Engineering & Consulting

Engineering solutions for your technical challenges

State-of-the-art railway engineering solutions

MASTERIS engineering is able to handle all the specific technical problems that rolling stock may face throughout its life cycle through listening, creativity and its position at the heart of a very wide network of engineers and technicians. Whether in maintenance, design, expert assessment or testing engineering, our teams master more than 90 railway specialities and capitalise on unique know-how in the railway field...

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More than 180 clients trust us
Come meet our experts!
Discover Masteris
Our values
Client testimonials

Locomotive maintenance - ETF

MASTERIS’s sales team listens to their clients’ specific requests and works to find solutions to resolve them. The main axle centres offer great rapport and efficiency (Nevers and Terginier)...


Director of the Beauchamp stock maintenance agency - ETF

Wagon maintenance - GEFCO

MASTERIS is a first-rate partner in our operations, having been entrusted with GEFCO’s maintenance, assisting us in developing our reference documents and contributing to maintaining high-level requirements. Their network of experts and workshops throughout France supports us day to day to ensure high-quality maintenance services are provided.


Railway Technical Support Manager - GEFCO

Heavy maintenance – NS

We enjoy a very quality-focused experience with the services provided by MASTERIS and we can rely on SNCF’s know-how. From the start, our relationship has been one of partnership, with enriching joint investigations, and problems are solved quickly.

Lex van der valk

Maintenance engineer - NS (Nederlandse Spoorwegen)

Renovations and upgrades – Keolis Lyon

We entrusted MASTERIS with the bogie servicing contract for our Citadis trams; they provide excellent quality, act very quickly and recommend solutions to us when problems arise.


Rolling stock technical expert - Keolis Lyon

Spare parts - SEMITAG

We have called on MASTERIS to provide maintenance on our sub-assemblies a number of times and we appreciate their ability to handle all types of equipment and to understand the specific needs of urban operators.


Rolling Stock Manager - SEMITAG (Grenoble)

Engineering and consulting

I’m working with CIM/MASTERIS, as part of the AKIEM BB79000 project, on the development and installation of locomotive safety equipment. The technical and sales teams listen well, are available, are responsive and adapt to the needs of the project. The solutions found are relevant and well-structured and we are guaranteed quality of service for the project’s future activities.

Jean-Sébastien Lemaire

Project Coordinator Signalling/Certification/Doc

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