{"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″]

\"\"<\/div>[\/vc_column][vc_column width=”1\/2″]

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 \"A<\/a>\r\n A long-term partnership for defence innovation<\/a>\r\n
\r\n 23 June 2026 | <\/span>Defense<\/a>\r\n <\/div>\r\n
\r\n Since 2022, CLEARSY has been working with EXAIL to\u00a0supply\u00a0new equipment for a\u00a0naval\u00a0mine\u00a0countermeasure\u00a0system.\u00a0 Thanks to its\u00a0expertise\u00a0in the design and industrialization of\u00a0tailor-made […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"Diversification<\/a>\r\n Diversification continues<\/a>\r\n
\r\n 10 June 2026 | <\/span>Aeronautics<\/a>\r\n <\/div>\r\n
\r\n In safety-critical systems, trust is built over the long term. Expertise developed in the railway sector can often meet the […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"Simulation<\/a>\r\n Simulation for the ERTMS of the Future<\/a>\r\n
\r\n 4 June 2026 | <\/span>ERTMS<\/a>\r\n <\/div>\r\n
\r\n As part of the ongoing development of the ERTMS standard, the European Union Agency for Railways (ERA) is studying the […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"Safe<\/a>\r\n Safe validation of railway track topology<\/a>\r\n
\r\n 4 June 2026 | <\/span>Railway<\/a>\r\n <\/div>\r\n
\r\n To operate driverless metros at full capacity, it all starts\u2026 with data. The digital representation of the railway infrastructure creates […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"\"<\/a>\r\n Tailor-made automatic train stop system<\/a>\r\n
\r\n 26 May 2026 | <\/span>Offers<\/a>\r\n <\/div>\r\n
\r\n Stadler\u00a0is\u00a0supplying RATP\u00a0with\u00a0maintenance trains\u00a0that\u00a0must\u00a0be\u00a0fully\u00a0compatible\u00a0with\u00a0the\u00a0 Paris\u00a0network\u2019s\u00a0signaling\u00a0system.\u00a0The goal\u00a0is\u00a0to\u00a0ensure\u00a0the\u00a0proper\u00a0functioning\u00a0of the\u00a0automatic\u00a0train stop system \u00a0when \u00a0trains \u00a0pass \u00a0through \u00a0restricted \u00a0signals, \u00a0in \u00a0order \u00a0to enhance\u00a0the safety of […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"Common<\/a>\r\n Common Criteria standard: proving security through Formal Methods<\/a>\r\n
\r\n 25 May 2026 | <\/span>Microelectronics<\/a>\r\n <\/div>\r\n
\r\n CLEARSY supports\u00a0major\u00a0companies\u00a0in the microelectronics industry with certification under the Common Criteria, an international standard (ISO\/IEC 15408) that serves as a […]\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":"CLEARSY supports\u00a0major\u00a0companies\u00a0in the microelectronics industry with certification under the Common Criteria, an international standard (ISO\/IEC 15408) that serves as a [...]","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 - CLEARSY\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/#website\"},\"datePublished\":\"2020-05-28T09:28:07+00:00\",\"dateModified\":\"2025-09-05T10:03:17+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.clearsy.com\\\/en\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Home\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/\",\"name\":\"CLEARSY\",\"description\":\"Safety Solutions Designer\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/#organization\",\"name\":\"CLEARSY\",\"url\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.clearsy.com\\\/wp-content\\\/uploads\\\/2020\\\/04\\\/logo-clearsy.svg\",\"contentUrl\":\"https:\\\/\\\/www.clearsy.com\\\/wp-content\\\/uploads\\\/2020\\\/04\\\/logo-clearsy.svg\",\"width\":652,\"height\":163,\"caption\":\"CLEARSY\"},\"image\":{\"@id\":\"https:\\\/\\\/www.clearsy.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Home - CLEARSY","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.clearsy.com\/en\/","og_locale":"en_US","og_type":"article","og_title":"Home - CLEARSY","og_url":"https:\/\/www.clearsy.com\/en\/","og_site_name":"CLEARSY","article_modified_time":"2025-09-05T10:03:17+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.clearsy.com\/en\/","url":"https:\/\/www.clearsy.com\/en\/","name":"Home - CLEARSY","isPartOf":{"@id":"https:\/\/www.clearsy.com\/en\/#website"},"datePublished":"2020-05-28T09:28:07+00:00","dateModified":"2025-09-05T10:03:17+00:00","breadcrumb":{"@id":"https:\/\/www.clearsy.com\/en\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.clearsy.com\/en\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.clearsy.com\/en\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.clearsy.com\/en\/"},{"@type":"ListItem","position":2,"name":"Home"}]},{"@type":"WebSite","@id":"https:\/\/www.clearsy.com\/en\/#website","url":"https:\/\/www.clearsy.com\/en\/","name":"CLEARSY","description":"Safety Solutions Designer","publisher":{"@id":"https:\/\/www.clearsy.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.clearsy.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.clearsy.com\/en\/#organization","name":"CLEARSY","url":"https:\/\/www.clearsy.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.clearsy.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.clearsy.com\/wp-content\/uploads\/2020\/04\/logo-clearsy.svg","contentUrl":"https:\/\/www.clearsy.com\/wp-content\/uploads\/2020\/04\/logo-clearsy.svg","width":652,"height":163,"caption":"CLEARSY"},"image":{"@id":"https:\/\/www.clearsy.com\/en\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.clearsy.com\/en\/wp-json\/wp\/v2\/pages\/8948","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.clearsy.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.clearsy.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.clearsy.com\/en\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/www.clearsy.com\/en\/wp-json\/wp\/v2\/comments?post=8948"}],"version-history":[{"count":57,"href":"https:\/\/www.clearsy.com\/en\/wp-json\/wp\/v2\/pages\/8948\/revisions"}],"predecessor-version":[{"id":20549,"href":"https:\/\/www.clearsy.com\/en\/wp-json\/wp\/v2\/pages\/8948\/revisions\/20549"}],"wp:attachment":[{"href":"https:\/\/www.clearsy.com\/en\/wp-json\/wp\/v2\/media?parent=8948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}