Safety software and systems designer

The CLEARSY company

CLEARSY was founded on January 1, 2001 by the team of engineers responsible for the industrialisation of the formal modelling tool called Atelier B, used in the railway sector to produce safety software.

CLEARSY: safety systems engineering

We are a French SME, specialised in the realisation of safety systems and software from level SIL1 to SIL4. We develop complex systems by ensuring their design, their validation, verification and safety study, right up to their commissioning.

CLEARSY produces safe systems and software in the railway, automotive, military, space and nuclear fields.

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The new Siemens centralized control room secured by CLEARSY
SIEMENS has entrusted CLEARSY with the SIL2 safety of the supervision display for the SNCF’s new RER (commuter) train operating […]
9ᵉ ABZ International Formal Methods Conference in Nancy from May 31 to June 2, 2023
CLEARSY specialists will participate in this conference, which we have been particularly keen on since the first one in Nantes […]
CLEARSY to supply the system for controlling platform screen doors for Cross River Rail project
CLEARSY is involved in the Cross River Rail project for the Brisbane metro in Australia for which 4 underground stations […]
CLEARSY will attend the UITP Global Public Transport Summit 2023 in Barcelona
CLEARSY is pleased to be exhibiting at the UITP Global Public Transport Summit in Barcelona from 4-7 June 2023. CLEARSY […]
Why does the Baseline 3.6.0 ETCS standard require a SIL2 DMI (train display)?
The DMI informs the driver about the attitude he has to adopt: speed to be respected and the distance to […]
Industrial smart solution for the implementation of safety interlocking logic
In the latest BtoBrail magazine, we discuss the solutions developed by CLEARSY for the realisation of railway interlocking using COTS […]

Safety software and systems

All our security systems and software available below. If you have a specific problem, contact us.

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