Corporate Profile

About Us

Since 2014, our company has been one of Türkiye's leading providers of maintenance, repair, engineering and technology solutions in the rail systems sector.

TMS technician filling in a checklist in front of a high-speed train in the hangar
100+
Completed Projects
20+
Ongoing Projects

Who We Are

Building the Future of Railway Technologies

TMS technician running tests on the control screens in a train cab

TMS works to ensure the safe, efficient and sustainable operation of rail vehicles, above all high-speed and conventional trains, and delivers high value-added solutions to the sector through its strong technical infrastructure, expert team and engineering capabilities.

We see our work not merely as a maintenance and repair service that meets today's needs, but as a comprehensive engineering approach that shapes the future of rail systems. From maintenance and repair to refurbishment, technical upgrades, engineering and technology development, we address our customers' operational needs across a broad spectrum.

At TMS, we regard safety, quality, reliability, innovation and sustainability as the foundations of everything we do. In line with our commitment to continuous improvement, we keep developing our technological capabilities and our people, and raise the quality of our services on the basis of national and international standards.

In line with our vision of developing domestic and national technology, we contribute to strengthening Türkiye's engineering and production capabilities in rail systems, and aim to combine our know-how with new technologies to develop solutions that can represent our country on international platforms.

TMS is a trusted solution partner that maintains for safe transport, develops technology for the rail systems of the future and creates value together with its customers.

Our Mission

To provide safe, high-quality, sustainable and innovative maintenance, repair, engineering, production and technology solutions in all the fields we operate in, above all rail systems.

To meet our customers' needs accurately and effectively through our expert team, strong engineering infrastructure and commitment to continuous improvement; and to create long-term value for our customers, employees and business partners by developing high value-added solutions that comply with national and international standards.

Our core mission is to contribute to a stronger railway ecosystem by developing our domestic technology and production capabilities, to advance our country's technological competence in rail systems, and to be a trusted solution partner representing Türkiye on an international scale.

Our Vision

To be an innovative and trusted brand that carries Türkiye's technology, engineering and maintenance strength in rail systems to the world.

Without compromising on high quality and safety standards, we aim to shape the future of rail systems with advanced technology, R&D and strong engineering capabilities; to reduce our country's dependence on foreign sources in railway technologies by developing domestic and national solutions; and to become a leading organisation that competes in international markets.

Our goal at TMS is to be a technology and solution partner that not only meets today's needs but also shapes the sustainable, safe, smart and high-performance rail transport systems of the future.

Our Principles

Our Values

The principles that guide everything we do and form the foundation of our corporate culture.

Safety

We place human life and operational safety above everything else. We regard a culture of safety as our fundamental responsibility in all our activities.

Quality

We aim for high quality standards in everything we do and continuously improve our processes to deliver reliable and sustainable results.

Technology and Innovation

We follow the technologies that will shape the future of rail systems and regard R&D and innovation as key drivers of our competitiveness.

Engineering Excellence

We bring together our knowledge, experience and engineering expertise to develop effective, practicable and long-lasting solutions to complex problems.

Reliability

We stand behind our commitments to our customers, employees and business partners, and build long-term partnerships based on trust.

Local Capability and Added Value

We aim to strengthen our country's independence and competitiveness in rail systems by contributing to the development of domestic know-how, technology and production capabilities.

Sustainability

We use resources efficiently, take our environmental and social impact into account, and act with the responsibility of leaving a more sustainable transport infrastructure to future generations.

Investing in People and Development

We believe that qualified and competent people are the foundation of our success. We support our employees' development and encourage the continuous sharing of knowledge and experience.

Customer Focus

We put our customers' needs and expectations at the heart of our work and deliver fast, flexible and results-oriented solutions.

People & Competence

Building Competence in the Field

Competent people are the foundation of safety and quality in rail maintenance. We plan every employee's development through mentoring, certification and transparent career paths.

  1. 01

    Field Mentoring

    One-to-one workshop practice with senior engineers.

  2. 02

    Certification

    Certification to international ECM and MYK standards.

  3. 03

    Safety Culture

    Comprehensive OHS training, including high voltage, with a zero-accident target.

  4. 04

    Career Paths

    A transparent promotion map from technician to supervisor.

Our Development Targets

120+
Annual Training Hours
Practical and theoretical training per employee
100%
Field Competence
MYK and ECM certification compliance
0
Accident Target
Zero accidents through safety culture training
Our Training & Development Model

Our Policies

Our Quality Policy

At TMS Tren Bakım Onarım A.Ş., we regard quality not merely as an outcome but as a corporate working culture that guides all our activities.

Aware of the critical importance of maintenance and repair in the safe and uninterrupted operation of rail systems, we consider it our fundamental responsibility to carry out all our processes in accordance with the relevant national and international standards, legal requirements and customer specifications.

To this end, we

  1. 01regard safety and quality as the priority of all our activities,
  2. 02understand customer expectations correctly and deliver reliable and sustainable solutions,
  3. 03measure, analyse and continuously improve our processes,
  4. 04integrate technological developments and innovative practices into our activities,
  5. 05continuously develop the knowledge, competence and awareness of our employees,
  6. 06aim to reduce our environmental impact and use resources efficiently,
  7. 07share our understanding of quality and safety with our suppliers and business partners,
  8. 08adopt a proactive management approach by identifying risks in advance,
  9. 09address information security, occupational health and safety, and our environmental responsibilities with an integrated approach.

By continuously developing the quality culture we have built with the participation of all our employees, we are committed to delivering reliable, high-performance and sustainable rail system solutions.