{"id":10975,"date":"2026-05-06T15:30:31","date_gmt":"2026-05-06T13:30:31","guid":{"rendered":"https:\/\/largilliere-finance.com\/transaction\/lbo-de-tethys-avec-abenex\/"},"modified":"2026-05-06T17:00:03","modified_gmt":"2026-05-06T15:00:03","slug":"lbo-of-tethys-with-abenex","status":"publish","type":"transaction","link":"https:\/\/largilliere-finance.com\/en\/transaction\/lbo-of-tethys-with-abenex\/","title":{"rendered":"LBO of Tethys with Abenex"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong>Abenex has announced the acquisition of a majority stake in Tethys (revenues: \u20ac10 million), a specialist in pyromechanical systems for critical applications, alongside the management team and Bpifrance. The objective is to accelerate Tethys\u2019 development in France and internationally, across markets driven by increasing investment in the defense, space and energy sectors.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>In this transaction, Largilli\u00e8re Finance acted as M&amp;A advisor to the management team, Tethys\u2019 shareholders and Bpifrance. This marks Largilli\u00e8re Finance\u2019s fifth transaction in the aerospace and defense sector over the past 12 months, following the acquisition of Satys Cabin by UUDS A\u00e9ro, the LBO of Coraxes with Sodero and Cita, the sale of KEP Metal Solutions to Tikehau and Aciturri Aeroengines, and the MBO of UUDS A\u00e9ro with CAPZA.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>\u00a0<\/strong><\/p>\n<section class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6983493b-fed4-832a-9d6f-d5ca34a79cc8-6\" data-testid=\"conversation-turn-182\" data-scroll-anchor=\"false\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;]:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"3983322a-a75e-4dd7-9083-88aa7e4f55fe\" data-message-model-slug=\"gpt-5-5\" data-turn-start-message=\"true\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\">\n<p data-start=\"0\" data-end=\"251\" data-is-last-node=\"\" data-is-only-node=\"\"><strong data-start=\"0\" data-end=\"251\" data-is-last-node=\"\" data-is-only-node=\"\">Founded in 2004, Tethys has established itself as a recognized European player in the design, assembly and production of pyromechanical systems for defense, aerospace and security industry leaders such as MBDA, Naval Group, ArianeGroup and Safran.<\/strong><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"z-0 flex min-h-[46px] justify-start\"><\/div>\n<div class=\"mt-3 w-full empty:hidden\">\n<div class=\"text-center\">\n<section class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6983493b-fed4-832a-9d6f-d5ca34a79cc8-6\" data-testid=\"conversation-turn-182\" data-scroll-anchor=\"false\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;]:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"3983322a-a75e-4dd7-9083-88aa7e4f55fe\" data-message-model-slug=\"gpt-5-5\" data-turn-start-message=\"true\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\">\n<p data-start=\"0\" data-end=\"251\" data-is-last-node=\"\" data-is-only-node=\"\">Founded in 2004, Tethys has established itself as a recognized European player in the design, assembly and production of pyromechanical systems for defense, aerospace and security industry leaders such as MBDA, Naval Group, ArianeGroup and Safran.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<p style=\"text-align: justify;\">Positioned in a niche market with high barriers to entry, and operating in a sector largely dominated by major groups, Tethys stands out through its status as an independent player, a source of agility and strategic attractiveness.<\/p>\n<p style=\"text-align: justify;\">Driven by rising investment in defense, space and critical energy infrastructure, the pyromechanical devices market is experiencing sustained growth momentum. Tethys benefits from strong commercial visibility, supported by long-term programs generating recurring revenues and contracts frequently awarded on a single-source basis for periods ranging from 10 to 20 years.<\/p>\n<p style=\"text-align: justify;\">With the support of Abenex and Bpifrance, Tethys intends to accelerate its growth strategy along several key pillars, notably through a significant expansion of its industrial capabilities via the extension of its production site, the development of business prospecting activities in France and across Europe, and the continuation of an active external growth strategy aimed at positioning Tethys as an independent European leader in pyromechanics.<\/p>\n<p style=\"text-align: justify;\">The management team, led by Philippe Saussol, is also making a significant reinvestment alongside Bpifrance as part of the transaction.<\/p>\n","protected":false},"template":"","secteur":[79],"expertise":[88],"class_list":["post-10975","transaction","type-transaction","status-publish","hentry","secteur-autres-en","expertise-lbo-mbo-obo-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LBO of Tethys with Abenex - Largilli\u00e8re<\/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:\/\/largilliere-finance.com\/en\/transaction\/lbo-of-tethys-with-abenex\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LBO of Tethys with Abenex - Largilli\u00e8re\" \/>\n<meta property=\"og:description\" content=\"Abenex has announced the acquisition of a majority stake in Tethys (revenues: \u20ac10 million), a specialist in pyromechanical systems for critical applications, alongside the management team and Bpifrance. The objective is to accelerate Tethys\u2019 development in France and internationally, across markets driven by increasing investment in the defense, space and energy sectors. 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The objective is to accelerate Tethys\u2019 development in France and internationally, across markets driven by increasing investment in the defense, space and energy sectors. 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