{"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 \"25<\/a>\r\n 25 Years Alongside Alstom on Automated Metro Systems<\/a>\r\n
\r\n 27 October 2026 | <\/span>Metro (CBTC)<\/a>\r\n <\/div>\r\n
\r\n For over 25 years, CLEARSY has been working with Alstom on automated metro systems. Over the past decade, this collaboration […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"\"<\/a>\r\n Immersive ETCS training: simulation to support train drivers<\/a>\r\n
\r\n 20 October 2026 | <\/span>ERTMS<\/a>\r\n <\/div>\r\n
\r\n As ETCS rolls out across Europe, thousands of drivers have to move from lineside signals to cab signalling. Railway operators […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"The<\/a>\r\n The Temporary Signalling Management Server (GEST) for Morocco<\/a>\r\n
\r\n 20 October 2026 | <\/span>Railway<\/a>\r\n <\/div>\r\n
\r\n One of the components of the ERTMS Level 2 trackside signalling system, developed by COMPAGNIE DES SIGNAUX \u2013 CSEE for […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"ERTMS<\/a>\r\n ERTMS test bench for ECM-Progress Rail<\/a>\r\n
\r\n 20 October 2026 | <\/span>ERTMS<\/a>\r\n <\/div>\r\n
\r\n ECM, a company acquired by Progress Rail in 2018, specialises in the development of RBCs (Radio Block Centres), trackside equipment […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"CLEARSY<\/a>\r\n CLEARSY achieves SIL2 certification for its new DMI<\/a>\r\n
\r\n 5 October 2026 | <\/span>Component<\/a>\r\n <\/div>\r\n
\r\n As part of its efforts to modernise and digitise on-board systems, TALGO develops TCMS (Train Control and Management System) solutions […]\r\n <\/div>\r\n<\/div><\/div>
\r\n \"Testing<\/a>\r\n Testing ETCS before hitting the tracks<\/a>\r\n
\r\n 5 October 2026 | <\/span>ERTMS<\/a>\r\n <\/div>\r\n
\r\n In 2025, Dutch railway operator Nederlandse Spoorwegen (NS) and Stadler signed a framework agreement for the delivery of 36 FLIRT […]\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":"In 2025, Dutch railway operator Nederlandse Spoorwegen (NS) and Stadler signed a framework agreement for the delivery of 36 FLIRT [...]","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}]}}