Profound railway expertise: the PJM Group
PJ Monitoring is part of the PJM Group. With in-depth expertise in the specialist areas of rail vehicles and the railway system, the PJM Group has become a reliable partner in the industry. As an accredited testing centre, a specialist in the complex issues of the 4th railway package and an independent inspection body, PJ Messtechnik, PJ Motion and RCC can provide support in all approval phases of a rail vehicle. PJ Monitoring specialises in efficient, modern and digital rail freight.
PJM is an internationally renowned system specialist for rail transport and has successfully implemented projects in 30 countries on 6 continents since 2006. The company’s main areas of focus are:
- PJ Messtechnik GmbH is an accredited test centre in accordance with ISO/IEC 17025 and carries out tests worldwide for the approval of rail vehicles.
- PJ Motion specialises in approval management in accordance with the 4th Railway Package and has extensive expertise in the field of operational and vehicle integration of brake testing.
- EMC Rail Services GmbH focuses on EMC measurements. The company was founded in 2025 by Martin Joch and Udo Kappel.
- RCC Railway Competence and Certification GmbH is an accredited inspection body in accordance with ISO/IEC 17065 and specialises in certifications and safety assessments.
- PJ Monitoring GmbH is a technology leader in the automation of rail freight transport with forward-looking, comprehensive solutions.
PJM was founded in 2006. Around 90 employees (as of autumn 2025) ensure that everything is ‘100% Made in Austria’: R&D, hardware and software development, production and administration are all carried out exclusively in Austria.


PJ Messtechnik GmbH
- Accredited test center ISO/IEC 17025
- Engineering / design CAD, calculation FEM, simulation MBS / certification AAR WABL Committee
- Development & series production of instrumented wheelsets
- Autonomous measurement systems for SFZ and infrastructure

PJ Monitoring GmbH
- Digital rail freight transport
- Digital overall system WaggonTracke
- Automated Brake Test & Load monitoring system
- Smart Train

PJ Motion GmbH
- Authorisation management 4th railway package
- Feasibility studies
- Project management / technical project management
- Asset Management

RCC Railway Competence & Certification GmbH
- Notified body interoperability (Notified Body) NB 2697
- Independent Safety Assessment Body AT/35/0116/0400
- ECM certification body EIN: AT/30/0421/0001

EMC Rail Services GmbH
EMC measurements such as
- Radiated interference emission
- Radio protection
- Personal protection
- Compatibility with track circuits
- Compatibility with axle counters/sensors