{"id":8948,"date":"2020-05-28T11:28:07","date_gmt":"2020-05-28T09:28:07","guid":{"rendered":"http:\/\/localhost:8888\/clearsy\/?page_id=8948"},"modified":"2025-09-05T12:03:17","modified_gmt":"2025-09-05T10:03:17","slug":"accueil-acf","status":"publish","type":"page","link":"https:\/\/www.clearsy.com\/en\/","title":{"rendered":"Home"},"content":{"rendered":"

[vc_row full_width=”stretch_row” el_id=”hero-home” el_class=”hero no-mb”][vc_column]\n\t\"\"<\/picture>\n\n

CLEARSY<\/span><\/p>\n

Safety software and systems designer<\/h1>\n<\/div>

Your safety system<\/a><\/p>\n<\/div>[\/vc_column][\/vc_row][vc_row full_width=”stretch_row” el_class=”bg-gris py-4 no-mb”][vc_column width=”1\/2″ el_class=”mb-2 mb-md-0″]

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The CLEARSY company<\/h2>\n<\/div>

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.<\/p>\n<\/div>

CLEARSY: safety systems engineering<\/p>\n<\/div>

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.<\/p>\n

CLEARSY produces safe systems and software in the railway, automotive, military, space and nuclear fields.<\/a><\/span><\/p>\n

Download CLEARSY's leaflet<\/span>\n\t\tDownload<\/span><\/span><\/a>\n
\n Download the product catalog<\/span>\n\t\tDownload<\/span><\/span><\/a>\n
\n Download the railway products & services presentation<\/span>\n\t\tDownload<\/span><\/span><\/a>\n<\/p>\n

Presentation<\/a><\/p>\n<\/div>[\/vc_column][\/vc_row][vc_row][vc_column]

News<\/h2>\n<\/div>
\r\n \"The<\/a>\r\n The temporary signalling server (GEST) is ready for deployment<\/a>\r\n
\r\n 11 September 2026 | <\/span>ERTMS<\/a>\r\n <\/div>\r\n
\r\n One of the components of the ARGOS ERTMS Level 2 trackside signalling system, developed by Compagnie des Signaux \u2013 CSEE, […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"CLEARSY<\/a>\r\n Let’s go for the CLEARSY’s lessons 2026-2027 in french universities<\/a>\r\n
\r\n 9 September 2026 | <\/span>R&D<\/a>\r\n <\/div>\r\n
\r\n To mark the start of the new academic year, CLEARSY is launching its 2026-2027 university course programme.\u00a0 Our teams will […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"CLEARSY<\/a>\r\n CLEARSY at the INNOTRANS BERLIN trade show: HALL 27, BOOTH 301<\/a>\r\n
\r\n 2 September 2026 | <\/span>Exhibitions\/conferences<\/a>\r\n <\/div>\r\n
\r\n The CLEARSY team is delighted to be participating in the INNOTRANS trade show, which will take place September 22\u201325, 2026, […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"Safety<\/a>\r\n Safety is demonstrated first at the system level<\/a>\r\n
\r\n 27 August 2026 | <\/span>Computer science<\/a>\r\n <\/div>\r\n
\r\n For railway signalling and urban transport systems, safety cannot be reduced to a simple check carried out at the end […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"A<\/a>\r\n A critical system upgraded in Malaysia!<\/a>\r\n
\r\n 26 August 2026 | <\/span>Railway<\/a>\r\n <\/div>\r\n
\r\n Prasarana Malaysia Berhad, the main operator of Kuala Lumpur\u2019s public transport network, has once again placed its trust in CLEARSY […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"CLEARSY\u2019s<\/a>\r\n CLEARSY\u2019s RS4 is coming to the United States<\/a>\r\n
\r\n 26 August 2026 | <\/span>Component<\/a>\r\n <\/div>\r\n
\r\n Hitachi Rail USA is supporting the modernisation of the Washington Metro with the new 8000 series trains, designed to meet […]\r\n <\/div>\r\n<\/div><\/div><\/div>
<\/div><\/div>
<\/div>
<\/div><\/div>[\/vc_column][\/vc_row][vc_section full_width=”stretch_row” el_class=”bg-bleu”][vc_row full_width=”stretch_row”][vc_column]

Safety software and systems<\/p>\n<\/div>

All our security systems and software available below. If you have a specific problem, contact us.<\/span><\/p>\n<\/div>[\/vc_column][\/vc_row][vc_row][vc_column width=”1\/4″ el_class=”full-btn-list”]

Know-how<\/span><\/p>\n

Formal methods<\/a><\/p>\n

Custom made safety developments<\/a><\/p>\n

research and development<\/a><\/p>\n

operational safety<\/a><\/p>\n<\/div>[\/vc_column][vc_column width=”1\/4″ el_class=”full-btn-list”]

Tools<\/span><\/p>\n

Atelier B<\/a><\/p>\n

Supervision<\/a><\/p>\n

Bancs de tests<\/a><\/p>\n

CLEARSY Safety Platform<\/a><\/p>\n

ERTMS\/ETCS<\/a><\/p>\n

CLEARSY Data Solver<\/a><\/p>\n<\/div>[\/vc_column][vc_column width=”1\/4″ el_class=”full-btn-list”]

operational systems<\/span><\/p>\n

COPPILOT<\/a><\/p>\n

COPP<\/a><\/p>\n

DIL<\/a><\/p>\n

DOF1<\/a><\/p>\n

KFS SIL2<\/a><\/p>\n

KVB<\/a><\/p>\n

KPVA<\/a><\/p>\n

REGIOLIS<\/a><\/p>\n

Tramway automatic stopping<\/a><\/p>\n

New York City Transit<\/a><\/p>\n<\/div>[\/vc_column][vc_column width=”1\/4″ el_class=”full-btn-list”]

Service areas<\/span><\/p>\n

Railways<\/a><\/p>\n

Energy<\/a><\/p>\n

Micro-electronics<\/a><\/p>\n

automotive<\/a><\/p>\n

defense<\/a><\/p>\n<\/div>[\/vc_column][\/vc_row][\/vc_section][vc_row full_width=”stretch_row” el_class=”py-0″][vc_column]

\"\"<\/div><\/div><\/div><\/div>

Contact us<\/p>\n<\/div>

Need a secure, custom-made system ?<\/p>\n<\/div><\/div><\/div><\/div>

Contact us<\/a><\/p>\n<\/div><\/div><\/div><\/div><\/div>

<\/div><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"Hitachi Rail USA is supporting the modernisation of the Washington Metro with the new 8000 series trains, designed to meet [...]","protected":false},"author":17,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-8948","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nHome - CLEARSY<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.clearsy.com\/en\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Home - CLEARSY\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.clearsy.com\/en\/\" \/>\n<meta property=\"og:site_name\" content=\"CLEARSY\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-05T10:03:17+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/\",\"url\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/\",\"name\":\"Home - 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