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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CLEARSY at INNOTRANS (Hall 27 – stand 301) from September 20 to 23, 2022 in BERLIN
CLEARSY’s team is pleased to be present at the INNOTRANS exhibition which will take place from 20 to 23 September […]
new exclusive framework contract with EDF until 2029
EDF renews its confidence in CLEARSY after 6 years of technological support for progress in safety and security in I&C […]
Formal activities through the V cycle
CLEARSY uses formal methods in many phases in the development cycle: systems reasoning: to define and prove mathematically system safety […]
RSSRail 2022 conference, Save the date! Paris, June 1-2nd, 2022
This year the RSSRail 2022 conference will take place in Paris, France at UIC – International union of railways #UICrail, […]
CLEARSY will participate to RSSI trade show in Kansas City next May
CLEARSY will participate to RSSI trade show in Kansas City next May. The “Railway Systems Suppliers” (RSSI) is a trade […]
CLEARSY will attend the ERTMS 2022 Conference
CLEARSY will attend the ERTMS 2022 Conference in Valenciennes from the 26th to the 28th of April 2022, organized by […]

Safety software and systems

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

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