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 challenge of cybersecurity for safe systems.
The LabSoC laboratory at Telecom Paris school and CLEARSY are joining forces for two years to integrate cybersecurity threat management […]
The platform screen doors of the line 4 of PARIS is now in operation in security.
CLEARSY is the prime contractor in the design, supply and deployment of the detection system of individual, in the gaps […]
CLEARSY supports the automation of line 4 of the Paris metro with its system for opening and closing platform screen doors.
Between 2008 and 2011, the system for opening and closing platform screen doors (DOF product) developed by CLEARSY, allows the […]
CLEARSY at SIFER (booth 1-218) from October 26 to 28, 2021 in Lille.
CLEARSY is pleased to support the French railway industry by announcing its presence at the SIFER exhibition which will take […]
Assigning safe processing to meanings
CLEARSY has developed and certified the CLEARSY SAFETY PLATFORM (CSP), a solution to develop safety critical real-time embedded systems certified […]
CLEARSY participates in the conference ISOLA 2021
For the 10th International Symposium On Leveraging Applications of Formal Methods, Verification and Validation (ISOLA 2021), CLEARSY is going to […]

Safety software and systems

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