Railway

We build and test embedded railway systems in compliance with CENELEC standards and up to the highest Safety Integrity Levels. Our work spans the full lifecycle of railway systems, supporting operators, integrators, and manufacturers in delivering safe, reliable, and future-ready rail solutions.

Railway

Building flexibility, security, reliability, and safety into modern rail transport

The evolution of rail transport must stay on track. As automation, digitalization, and interoperability reshape the industry, railway systems are becoming more complex, more connected, and more demanding to engineer and operate.

Pioneering OEMs are raising standards in automation and interoperability, while forward-looking operators are focused on building better, safer, and more efficient railway services. We develop solutions that support both perspectives, combining deep engineering expertise with a pragmatic understanding of real-world railway operations.

For many years, we have helped customers streamline fleet efficiency, reduce maintenance costs, and improve the end-customer experience. Our experience spans rolling stock, trackside equipment, condition-based maintenance solutions, and advanced signaling technologies such as ERTMS and CBTC.

Trusted by leading global companies

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Technical Domain

Engineering expertise across core railway domains

Our railway expertise spans the full operational ecosystem, covering the technical domains where safety, reliability, security, and performance matter most. We support complex railway programs by applying deep engineering knowledge within each domain, while ensuring system-wide coherence and compliance.

01
Rolling Stock

Engineering of onboard systems for passenger and freight trains, including safety-critical software, vehicle control, monitoring, and integration with signaling and infrastructure systems. We support the full lifecycle, from new platform development to modernization of existing fleets.

Rolling Stock
02
Signalling and Infrastructure

Design, development, validation, and certification support for signaling and trackside systems that ensure safe and efficient train operations. Our experience covers modern railway signaling technologies and infrastructure environments, supporting interoperability, availability, and regulatory compliance.

Signalling and Infrastructure
03
Command and Control Centers

Development and integration of software systems for railway command and control centers, enabling real-time supervision, traffic management, decision support, and operational coordination. These systems provide operators with the visibility and control required to manage complex railway networks safely and efficiently.

Signalling and Infrastructure
Capabilities

Our railway capabilities cover the full system lifecycle

From systems engineering and validation to RAMS, cybersecurity, embedded software, and AI, our solutions support safe, reliable, and compliant railway systems at every stage.

Systems Engineering

Systems Engineering for railway projects. We build coherent, safety-critical railway systems through MBSE, architecture, verification, and lifecycle management.

Systems and Software Validation

Systems and software validation for railway projects. We ensure safety-critical rail systems meet performance, compliance, and operational requirements.

RAMS and Certification Support

RAMS and certification support for railway projects. We integrate reliability, availability, maintainability, and safety into system design and certification.

Cybersecurity

Railway cybersecurity services protecting safety-critical and connected rail systems against cyber threats across IT, OT, and IoT environments.

Embedded Software Development

Embedded and high-integrity software development for railway systems, ensuring safety, reliability, and compliance with EN 50716 and related standards.

Digitalisation and AI

Digitalization and AI solutions for railway systems, improving efficiency, sustainability, and passenger experience through responsible AI adoption.

Success stories

Building railway platforms together

Our railway success stories reflect long-term partnerships built on shared responsibility, deep technical collaboration, and a commitment to delivering software and systems at scale. From joint ventures to complex vehicle programmes, we work side by side with our partners to shape the future of railway technology.

Critical Software and Stadler Launch Stadler Digital Labs

Critical Software and Stadler have launched Stadler Digital Labs — a joint venture delivering safety-critical digital engineering and cybersecurity for rail.

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Resources

Our railway knowledge hub

Browse our white papers, brochures and videos to find out more about the clients we work with and the railway projects we've delivered over the years.

White Papers

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Software-Centric vs. Hardware-Centric in Rolling Stock Systems Design

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Digital Transformation in the Railway Sector

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Retrofitting Rolling Stock with ETCS

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ERTMS and CBTC Side by Side

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Automatic Train Operation

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Model-Based Safety Analysis

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Railway Signalling Systems

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Brochures

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Specific Transmission Module - STM for Portugal

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Our Railway Offer

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certifications and standards

Operating at the highest industry standards

Railway systems demand rigorous compliance with international standards covering quality, security, safety, and resilience. Our work is aligned with recognized industry standards and initiatives that support the development, certification, and operation of safety-critical and mission-critical railway systems.

CENELEC

Railway Safety and Software Standards

Extensive experience applying CENELEC railway standards, supporting the development, validation, and certification of safety-critical railway systems across their full lifecycle.

IEC 63452 Workgroup

Railway Cybersecurity Standardization

Participation in the IEC 63452 workgroup contributes to the development of railway-specific cybersecurity standards, supporting alignment with emerging regulations and industry best practices.

ISO 9001

Quality Management Systems

ISO 9001 defines requirements for quality management systems, ensuring consistent delivery, controlled processes, and continuous improvement across engineering and project execution.

ISO 27001

Information Security Management

ISO 27001 provides a framework for managing information security risks, supporting the protection of sensitive data and operational information across railway systems and digital platforms.

IEC 62443

Cybersecurity for Industrial and Control Systems

IEC 62443 addresses cybersecurity for industrial automation and control systems, supporting secure design, implementation, and operation in complex railway environments.

Get in touch

Let’s build your next railway system together

Our teams support railway programs from concept to operation, helping deliver safe, reliable, and future-ready rail systems.

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Miguel Cardoso

Business Development Director

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Lucie Pannecoucke

Business Development Director

Markus Wenhart
Markus Wenhart

Business Development Manager

Francesco C. Fruci
Francesco C. Fruci

Business Development Manager

Events

Meet us at upcoming rail industry events

We regularly take part in leading rail and software engineering events, sharing expertise and engaging with partners across the industry.

22-25 September Berlin, Germany
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InnoTrans 2026

Meet our team at InnoTrans 2026. Find us at Hall 7.2B, Booth 200, and let's talk about how we can work together.