{"id":35385,"date":"2026-09-04T16:11:02","date_gmt":"2026-09-04T16:11:02","guid":{"rendered":"https:\/\/www.complycube.com\/?p=35385"},"modified":"2026-09-04T16:11:08","modified_gmt":"2026-09-04T16:11:08","slug":"quest-ce-quune-signature-electronique-qualifiee-qes","status":"publish","type":"post","link":"https:\/\/www.complycube.com\/fr\/what-is-a-qualified-electronic-signature-qes\/","title":{"rendered":"Qu\u2019est-ce qu\u2019une signature \u00e9lectronique qualifi\u00e9e (QES)\u00a0?"},"content":{"rendered":"<div class=\"cc-block tldr\">\n<p><strong>TL;DR : <\/strong>Une signature \u00e9lectronique qualifi\u00e9e (QES) fournit l&#039;un des<strong> niveaux les plus \u00e9lev\u00e9s<\/strong> d&#039;assurance pour la v\u00e9rification des signatures en vertu du r\u00e8glement eIDAS. Il offre la m\u00eame \u00e9quivalence juridique qu&#039;un <strong>Signature manuscrite.<\/strong> Pour les secteurs r\u00e9glement\u00e9s, les signatures QES peuvent renforcer l&#039;int\u00e9gration \u00e0 distance et garantir une identit\u00e9 s\u00e9curis\u00e9e.<\/p>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Comment sont apparues les signatures \u00e9lectroniques qualifi\u00e9es\u00a0?<\/h2>\n\n\n\n<p>Avant l&#039;harmonisation des r\u00e8gles de signature \u00e9lectronique par l&#039;Union europ\u00e9enne (UE), chaque \u00c9tat membre disposait de son propre cadre r\u00e9glementaire. Cela a chang\u00e9 avec l&#039;adoption de la nouvelle r\u00e9glementation europ\u00e9enne.\u00a0<a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/EN\/ALL\/?uri=CELEX%3A02014R0910-20240520\" target=\"_blank\" rel=\"noopener nofollow\">R\u00e8glement (UE) n\u00b0 910\/2014<\/a> Le r\u00e8glement eIDAS, entr\u00e9 pleinement en vigueur en juillet 2016, a d\u00e9fini une terminologie commune pour les signatures \u00e9lectroniques, les cachets \u00e9lectroniques qualifi\u00e9s, les services de confiance et les prestataires de services de confiance qualifi\u00e9s (PSQ). Il a \u00e9galement \u00e9tabli le cachet \u00e9lectronique qualifi\u00e9 (CEQ) comme la forme de signature \u00e9lectronique la plus s\u00e9curis\u00e9e et offrant le plus haut niveau de garantie en vertu de la r\u00e9glementation europ\u00e9enne.<\/p>\n\n\n\n<p>L&#039;\u00e9cosyst\u00e8me a rapidement \u00e9volu\u00e9 depuis. Le nombre de dispositifs de cr\u00e9ation de signature qualifi\u00e9s \u00e0 distance (QSCD) certifi\u00e9s a augment\u00e9 d&#039;environ\u00a0<a href=\"https:\/\/ec.europa.eu\/digital-building-blocks\/sites\/download\/attachments\/930448024\/QES%20-%20Signatures.pdf\" target=\"_blank\" rel=\"noopener nofollow\">cinq en 2016 \u00e0 environ 40<\/a>\u00a0Fin 2025, certains services publics italiens traitent environ 577 millions de signatures \u00e0 distance par mois.<\/p>\n\n\n\n<p>QES sera \u00e9galement davantage int\u00e9gr\u00e9 aux interactions num\u00e9riques quotidiennes gr\u00e2ce au cadre du portefeuille d&#039;identit\u00e9 num\u00e9rique de l&#039;UE (EUDI Wallet).\u00a0<a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/EN\/TXT\/\">Lutin<\/a><a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/EN\/TXT\/\" target=\"_blank\" rel=\"noopener nofollow\">R\u00e8glement d&#039;introduction 2024\/2979<\/a>\u00a0n\u00e9cessite que les solutions de portefeuille prennent en charge les signatures \u00e9lectroniques qualifi\u00e9es et s&#039;interfacent avec les QSCD.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Exigences relatives \u00e0 une signature \u00e9lectronique qualifi\u00e9e (QES)<\/h2>\n\n\n\n<p>Un qualifi\u00e9 <a href=\"https:\/\/docs.complycube.com\/documentation\/product-guides\/compliance-studio\/e-signatures\">signature \u00e9lectronique<\/a> Il s&#039;agit d&#039;un type de signature num\u00e9rique sp\u00e9cifique et r\u00e9glement\u00e9, dot\u00e9 de la valeur juridique la plus forte en vertu du r\u00e8glement eIDAS. Le terme \u201c\u00a0qualifi\u00e9\u00a0\u201d n&#039;est pas un argument marketing. Seules les signatures qui satisfont \u00e0 toutes les exigences eIDAS et qui poss\u00e8dent un certificat qualifi\u00e9 valide peuvent utiliser ce terme.<\/p>\n\n\n\n<p>Un QES doit :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00catre li\u00e9 exclusivement au signataire et cr\u00e9\u00e9 sous son contr\u00f4le exclusif.<\/li>\n\n\n\n<li>\u00catre cr\u00e9\u00e9 \u00e0 l&#039;aide d&#039;un QSCD, qui prot\u00e8ge les donn\u00e9es de cr\u00e9ation de la signature et la cl\u00e9 priv\u00e9e.<\/li>\n\n\n\n<li>\u00catre \u00e9mis par un fournisseur de services fiduciaires qualifi\u00e9 figurant sur les listes nationales de confiance.<\/li>\n<\/ul>\n\n\n\n<p>Les signatures \u00e9lectroniques qualifi\u00e9es (QES) reposent sur trois principes. Premi\u00e8rement, elles ont la m\u00eame valeur juridique qu&#039;une signature manuscrite. Deuxi\u00e8mement, elles garantissent la non-r\u00e9pudiation, constituant une preuve juridique irr\u00e9futable en cas de litige. Troisi\u00e8mement, leur interop\u00e9rabilit\u00e9 assure leur reconnaissance mutuelle au sein de l&#039;UE. De ce fait, les \u00c9tats membres de l&#039;UE sont tenus de reconna\u00eetre la validit\u00e9 des signatures \u00e9lectroniques qualifi\u00e9es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Diff\u00e9rences et implications juridiques entre les syst\u00e8mes SES, AES et QES<\/h2>\n\n\n\n<p>Le r\u00e8glement eIDAS classe les signatures \u00e9lectroniques en trois niveaux de s\u00e9curit\u00e9 principaux\u00a0: signatures \u00e9lectroniques simples (SES), signatures \u00e9lectroniques avanc\u00e9es (AES) et signatures \u00e9lectroniques qualifi\u00e9es (QES). Le choix du type de signature d\u00e9pendra principalement du niveau d\u2019assurance d\u2019identit\u00e9, de s\u00e9curit\u00e9 et de s\u00fbret\u00e9 juridique requis par l\u2019entreprise.<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone size-full size-medium wp-image-35412\"><img decoding=\"async\" width=\"2560\" height=\"1443\" src=\"https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/three-levels-of-electronic-signature-under-eidas.png\" alt=\"L&#039;image porte le titre &quot;\u00a03 niveaux de signature \u00e9lectronique dans le cadre d&#039;eIDAS\u00a0&quot;. Elle est suivie d&#039;un tableau comparant les signatures \u00e9lectroniques simples (SES), les signatures \u00e9lectroniques avanc\u00e9es (AES) et les signatures \u00e9lectroniques qualifi\u00e9es (QES).\" class=\"wp-image-35412\" srcset=\"https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/three-levels-of-electronic-signature-under-eidas.png 2560w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/three-levels-of-electronic-signature-under-eidas-300x169.png 300w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/three-levels-of-electronic-signature-under-eidas-1024x577.png 1024w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/three-levels-of-electronic-signature-under-eidas-768x433.png 768w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/three-levels-of-electronic-signature-under-eidas-1536x866.png 1536w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/three-levels-of-electronic-signature-under-eidas-2048x1154.png 2048w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/three-levels-of-electronic-signature-under-eidas-18x10.png 18w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<p>Pour simplifier, <strong>SES<\/strong> Ces signatures \u00e9lectroniques indiquent g\u00e9n\u00e9ralement l&#039;intention d&#039;un client de signer ou d&#039;approuver un document \u00e9lectroniquement. Elles ne n\u00e9cessitent ni v\u00e9rification d&#039;identit\u00e9 pouss\u00e9e ni protection cryptographique. Les cas d&#039;utilisation courants des signatures \u00e9lectroniques incluent les accords \u00e0 faible risque, les acceptations en ligne, les approbations internes et les contrats simples.<\/p>\n\n\n\n<p>Un niveau d&#039;assurance sup\u00e9rieur est <strong>AES<\/strong>. Ces signatures sont li\u00e9es de mani\u00e8re unique au signataire, permettent de l&#039;identifier et de d\u00e9tecter toute modification des donn\u00e9es sign\u00e9es. Les organisations font appel \u00e0 la signature \u00e9lectronique automatis\u00e9e (AES) pour les documents relatifs \u00e0 l&#039;emploi, les contrats commerciaux et les transactions financi\u00e8res qui exigent une preuve d&#039;identit\u00e9 et d&#039;authenticit\u00e9 renforc\u00e9e.<\/p>\n\n\n\n<p>D&#039;autre part, <strong>QES<\/strong> Elle offre le plus haut niveau de s\u00e9curit\u00e9. Elle utilise un certificat num\u00e9rique qualifi\u00e9, \u00e9mis par un prestataire agr\u00e9\u00e9, et cr\u00e9\u00e9 \u00e0 l&#039;aide d&#039;un certificat num\u00e9rique qualifi\u00e9 (QSCD). Ces prestataires de services de confiance qualifi\u00e9s (QTSP), qui fournissent des services de confiance qualifi\u00e9s, sont \u00e9galement soumis \u00e0 un contr\u00f4le r\u00e9glementaire. Les transactions r\u00e9glement\u00e9es et les services gouvernementaux exigent g\u00e9n\u00e9ralement une signature \u00e9lectronique qualifi\u00e9e afin de garantir une s\u00e9curit\u00e9 juridique accrue.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SES vs QES\u00a0: La diff\u00e9rence est-elle importante\u00a0?<\/h3>\n\n\n\n<p>Les signatures \u00e9lectroniques simples (SES) sont soumises \u00e0 des exigences techniques et d&#039;assurance d&#039;identit\u00e9 moins strictes que les signatures \u00e9lectroniques qualifi\u00e9es (QES). Il est important de noter que le r\u00e8glement eIDAS n&#039;autorise pas le refus d&#039;effet juridique au seul motif que les signatures ne satisfont pas aux exigences plus rigoureuses des QES\u00a0; les SES restent donc juridiquement valides. Elles sont souvent suffisantes lorsque le risque est faible et que l&#039;objectif principal est de consigner l&#039;intention d&#039;une personne. <\/p>\n\n\n\n<p>Toutefois, en cas de contestation de la signature, l&#039;entreprise doit s&#039;appuyer sur d&#039;autres \u00e9l\u00e9ments de preuve, comme contacter directement le client pour identifier le signataire et ses intentions. Le syst\u00e8me QES renforce ces preuves en associant la signature \u00e0 un signataire v\u00e9rifi\u00e9, \u00e0 un certificat qualifi\u00e9 et \u00e0 un cadre de confiance r\u00e9glement\u00e9. En pratique, le syst\u00e8me SES est utilis\u00e9 pour les transactions \u00e0 faible risque, tandis que le syst\u00e8me QES est destin\u00e9 aux processus r\u00e9glement\u00e9s, \u00e0 forte valeur ajout\u00e9e ou juridiquement sensibles.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">AES vs QES\u00a0: Qu\u2019est-ce que QES apporte de plus\u00a0?<\/h3>\n\n\n\n<p>Tout d&#039;abord, le chiffrement AES offre d\u00e9j\u00e0 des contr\u00f4les de s\u00e9curit\u00e9 robustes. Il doit \u00eatre li\u00e9 de mani\u00e8re unique au signataire, utilisant ses donn\u00e9es de cr\u00e9ation de signature sous contr\u00f4le et avec un haut niveau de confiance. Cependant, une signature \u00e9lectronique qualifi\u00e9e (QES) satisfait \u00e0 plusieurs crit\u00e8res suppl\u00e9mentaires. Elle doit utiliser un certificat qualifi\u00e9 d\u00e9livr\u00e9 par un fournisseur certifi\u00e9, et ce certificat doit \u00eatre g\u00e9n\u00e9r\u00e9 par un certificat de signature \u00e9lectronique qualifi\u00e9 (QSCD).<\/p>\n\n\n\n<p>Ce niveau de r\u00e9glementation suppl\u00e9mentaire constitue une diff\u00e9rence majeure. Seuls les \u00c9tats membres de l&#039;UE reconnaissent la QES comme ayant la m\u00eame valeur juridique qu&#039;une signature manuscrite. Si l&#039;AES peut fournir une preuve technique solide d&#039;identit\u00e9 et d&#039;int\u00e9grit\u00e9, la QES instaure un cadre de confiance formellement r\u00e9glement\u00e9 \u00e0 l&#039;\u00e9chelle de l&#039;UE.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IA, deepfakes et r\u00f4le de la QES dans la pr\u00e9vention de la fraude<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.complycube.com\/fr\/fraude-generative-par-ia-et-verification-didentite\/\">IA g\u00e9n\u00e9rative<\/a> a facilit\u00e9 la cr\u00e9ation \u00e0 grande \u00e9chelle de fausses identit\u00e9s, de selfies, de documents, de deepfakes et m\u00eame d&#039;appels vocaux falsifi\u00e9s. En 2025, les escrocs utilisant des outils d&#039;IA sophistiqu\u00e9s ont d\u00e9rob\u00e9 au moins <a href=\"https:\/\/www.bbc.co.uk\/news\/articles\/cwykp9ygxlvo\" target=\"_blank\" rel=\"noopener nofollow\">1,3 milliard de livres sterling<\/a>. De ce fait, elle dresse un tableau probl\u00e9matique o\u00f9 la preuve visuelle devient plus facile \u00e0 falsifier.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Les particuliers peuvent produire en masse une image de signature coll\u00e9e en quelques secondes.<\/p>\n<\/blockquote>\n\n\n\n<p>QES contribue \u00e0 r\u00e9duire ce risque en associant une signature \u00e0 une identit\u00e9 v\u00e9rifi\u00e9e, offrant ainsi une authentification renforc\u00e9e du signataire et une preuve cryptographique de l&#039;int\u00e9grit\u00e9 du document. De ce fait, il diminue la d\u00e9pendance aux signaux de confiance plus faibles, rendant plus difficiles la prise de contr\u00f4le de compte et la falsification de documents.<\/p>\n\n\n\n<p>Prenons l&#039;exemple d&#039;une transaction d&#039;une valeur de 1\u00a0710\u00a0000\u00a0\u00a3. Avec un chiffrement d&#039;identit\u00e9 simplifi\u00e9 (SES), un signataire pourrait pr\u00e9tendre qu&#039;une personne a acc\u00e9d\u00e9 \u00e0 son compte de messagerie et approuv\u00e9 l&#039;accord. Le chiffrement automatis\u00e9 (AES) offre une preuve d&#039;identit\u00e9 et d&#039;int\u00e9grit\u00e9 du document plus robuste en reliant la signature au propri\u00e9taire v\u00e9rifi\u00e9 et en d\u00e9tectant les signes de falsification. Le chiffrement quantique (QES) ajoute un niveau de conformit\u00e9 suppl\u00e9mentaire. En r\u00e9sum\u00e9\u00a0:<\/p>\n\n\n\n<p><strong>SES :<\/strong> \u201c Avez-vous des preuves de l&#039;intention de cette personne de signer ? \u201d<br><strong>AES\u00a0:<\/strong> \u201c Pouvons-nous prouver hors de tout doute qui a sign\u00e9 et que personne n&#039;a modifi\u00e9 le document soumis ? \u201d<br><strong>QES : <\/strong>\u201c Est-il possible de r\u00e9aliser tout cela dans un cadre de confiance r\u00e9glement\u00e9 par l\u2019UE et d\u2019offrir une \u00e9quivalence l\u00e9gale avec une signature manuscrite ? \u201d<\/p>\n\n\n\n<p>Harry Varatharasan, directeur des produits chez ComplyCube, souligne que n&#039;importe qui peut produire en masse une image de signature copi\u00e9e-coll\u00e9e en quelques secondes. Il ajoute\u00a0: \u201c\u00a0C&#039;est pr\u00e9cis\u00e9ment pourquoi la base cryptographique du QES est essentielle \u00e0 la mise en place d&#039;une couche de d\u00e9fense critique.\u00a0\u201d Cependant, les signatures QES ne constituent pas la solution miracle pour stopper les attaques par deepfake ou la fraude \u00e0 l&#039;IA. Leur int\u00e9r\u00eat r\u00e9side plut\u00f4t dans la r\u00e9duction de la d\u00e9pendance \u00e0 des signaux de confiance de plus en plus faciles \u00e0 falsifier.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quand avez-vous besoin d&#039;une signature \u00e9lectronique qualifi\u00e9e\u00a0?<\/h2>\n\n\n\n<p>Une signature \u00e9lectronique qualifi\u00e9e (QES) n&#039;est pas forc\u00e9ment n\u00e9cessaire pour tous les accords. Les \u00e9quipes de conformit\u00e9 doivent collaborer avec les services juridiques et de s\u00e9curit\u00e9 de l&#039;information afin de d\u00e9finir pr\u00e9cis\u00e9ment les cas o\u00f9 les signatures \u00e9lectroniques standard (SES), automatis\u00e9es (AES) et qualifi\u00e9es (QES) sont appropri\u00e9es. Adapter le niveau de s\u00e9curit\u00e9 de chaque signature \u00e9lectronique au risque de la transaction ou de la relation permet aux entreprises de mettre en place un cadre de gestion des risques.<\/p>\n\n\n\n<p>Les questions courantes \u00e0 prendre en compte lors de la conception d&#039;un processus de signature incluent les exigences r\u00e9glementaires, les exigences formelles et la tol\u00e9rance au risque\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Attentes r\u00e9glementaires :\u00a0<\/strong>Les principaux organismes de r\u00e9glementation, notamment le Groupe d&#039;action financi\u00e8re (GAFI), l&#039;Autorit\u00e9 mon\u00e9taire de Singapour (MAS) et le R\u00e9seau am\u00e9ricain de lutte contre la criminalit\u00e9 financi\u00e8re (FinCEN), exigent un renforcement des contr\u00f4les d&#039;identit\u00e9 lorsque le risque de criminalit\u00e9 financi\u00e8re est \u00e9lev\u00e9. Ces situations incluent les transactions impliquant <a href=\"https:\/\/www.complycube.com\/fr\/quest-ce-quune-personne-politiquement-exposee\/\">Personnes politiquement expos\u00e9es (PPE)<\/a> ou des structures de propri\u00e9t\u00e9 complexes.<\/li>\n\n\n\n<li><strong>Exigences formelles\u00a0:<\/strong>\u00a0Certains organismes de surveillance exigent des signatures QES pour la conformit\u00e9 l\u00e9gale. Par exemple, la Commission europ\u00e9enne exige que les documents soumis \u00e9lectroniquement dans certains pays soient accompagn\u00e9s de ces signatures.\u00a0<a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/EN\/TXT\/\">proc\u00e9dure de comp\u00e9tition<\/a>\u00a0\u00e0 signer en utilisant au moins une signature QES conforme \u00e0 eIDAS.<\/li>\n\n\n\n<li><strong>App\u00e9tit pour le risque interne :&nbsp;<\/strong>De nombreuses organisations optent pour les signatures \u00e9lectroniques qualifi\u00e9es (QES) afin de se conformer \u00e0 leurs normes internes de gestion des risques et de conformit\u00e9. Bien que non obligatoires, ces entreprises choisissent les signatures \u00e9lectroniques qualifi\u00e9es pour les cas impliquant plusieurs documents contenant des informations sensibles, des transactions importantes ou des d\u00e9cisions d&#039;entreprise telles que les r\u00e9solutions du conseil d&#039;administration.<\/li>\n<\/ul>\n\n\n\n<p>De plus, afin d&#039;\u00e9tablir un cadre de gouvernance solide, les entreprises doivent documenter toutes les d\u00e9cisions relatives aux signatures \u00e9lectroniques et les pi\u00e8ces justificatives dans leurs dossiers internes. Cela comprend la d\u00e9finition des cas o\u00f9 le chiffrement automatis\u00e9 (AES) est requis par rapport au chiffrement quantitatif (QES), l&#039;alignement des exigences de signature sur l&#039;\u00e9valuation des risques de l&#039;organisation et <a href=\"https:\/\/www.complycube.com\/fr\/solutions\/conformite-aux-exigences-de-diligence-raisonnable\/lutte-contre-le-blanchiment-dargent\/\">Lutte contre le blanchiment d&#039;argent (AML)<\/a> les politiques, la consignation des exceptions et de leur justification, et la conservation de preuves suffisantes pour d\u00e9montrer ces d\u00e9cisions aux organismes de r\u00e9glementation ou aux auditeurs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Documents et sc\u00e9narios courants d&#039;utilisation de QES<\/h2>\n\n\n\n<p>De plus, les organisations peuvent apposer une signature \u00e9lectronique qualifi\u00e9e \u00e0 des points de contr\u00f4le sp\u00e9cifiques dans <a href=\"https:\/\/www.complycube.com\/fr\/solutions\/conformite-aux-exigences-de-diligence-raisonnable\/connaissez-votre-client\/\">Conna\u00eetre votre client (KYC)<\/a> L\u2019approche par processus, plut\u00f4t que chaque interaction, permet aux entreprises de renforcer la v\u00e9rification d\u2019identit\u00e9 pour les documents \u00e0 haut risque ou juridiquement importants, tout en simplifiant le parcours de signature pour l\u2019ensemble de l\u2019utilisateur, en r\u00e9duisant les contr\u00f4les physiques inutiles et en fluidifiant l\u2019exp\u00e9rience client.<\/p>\n\n\n\n<figure class=\"wp-block-image alignnone size-full size-medium wp-image-35412\"><img decoding=\"async\" width=\"2560\" height=\"1600\" src=\"https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/when-do-you-need-a-qualified-electronic-signature-qes.png\" alt=\"Infographie d\u00e9crivant quand utiliser une signature \u00e9lectronique qualifi\u00e9e (QES), avec un badge QES central et six encadr\u00e9s d&#039;utilisation.\" class=\"wp-image-35411\" srcset=\"https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/when-do-you-need-a-qualified-electronic-signature-qes.png 2560w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/when-do-you-need-a-qualified-electronic-signature-qes-300x188.png 300w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/when-do-you-need-a-qualified-electronic-signature-qes-1024x640.png 1024w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/when-do-you-need-a-qualified-electronic-signature-qes-768x480.png 768w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/when-do-you-need-a-qualified-electronic-signature-qes-1536x960.png 1536w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/when-do-you-need-a-qualified-electronic-signature-qes-2048x1280.png 2048w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/09\/when-do-you-need-a-qualified-electronic-signature-qes-18x12.png 18w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<p>Les documents et sc\u00e9narios courants pouvant n\u00e9cessiter la signature d&#039;un QES comprennent les contrats de location avec une valeur locative importante, les achats immobiliers transfrontaliers, les documents internes sensibles, les contrats de pr\u00eat impliquant des montages financiers complexes et les modifications importantes apport\u00e9es aux mandats de compte.<\/p>\n\n\n<div class=\"cc-block key-takeaways\">\n<h3>Points cl\u00e9s \u00e0 retenir<\/h3>\n<ul>\n<li>\n<p><strong>Signatures \u00e9lectroniques qualifi\u00e9es<\/strong> ont la m\u00eame valeur juridique qu&#039;une signature manuscrite dans l&#039;UE.<\/p>\n<\/li>\n<li>\n<p><strong>eIDAS r\u00e9glemente <\/strong>les crit\u00e8res que les signatures QES et les fournisseurs de services de confiance qualifi\u00e9s doivent respecter.<\/p>\n<\/li>\n<li>\n<p><b><\/b><strong>Le cadre de l&#039;UE<\/strong> consid\u00e8re que la valeur probante juridique d&#039;une signature QES est tr\u00e8s \u00e9lev\u00e9e.<\/p>\n<\/li>\n<li>\n<p><strong>Un QES est essentiel<\/strong> dans les secteurs r\u00e9glement\u00e9s qui exigent un haut niveau d&#039;int\u00e9grit\u00e9 et de garantie des documents.<\/p>\n<\/li>\n<li>\n<p><strong>Une simple signature \u00e9lectronique<\/strong> offre le niveau le plus bas d&#039;assurance d&#039;identit\u00e9, suivi par AES et QES.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Renforcez la s\u00e9curit\u00e9 gr\u00e2ce \u00e0 la v\u00e9rification de signature \u00e9lectronique qualifi\u00e9e.<\/h2>\n\n\n\n<p>La signature \u00e9lectronique quantifi\u00e9e (QES) \u00e9limine le recours \u00e0 l&#039;impression de documents et acc\u00e9l\u00e8re la signature des contrats. Elle garantit l&#039;\u00e9quivalence juridique, une identit\u00e9 forte, l&#039;int\u00e9grit\u00e9 des documents et renforce l&#039;efficacit\u00e9 op\u00e9rationnelle. Reconnue par le r\u00e8glement eIDAS, elle permet aux entreprises d&#039;obtenir des approbations, des accords et des consentements au sein d&#039;un cadre de confiance unique, sans d\u00e9pendre de proc\u00e9dures papier sp\u00e9cifiques \u00e0 chaque pays.<\/p>\n\n\n\n<p>Plus important encore, la QES doit compl\u00e9ter, et non remplacer, les contr\u00f4les LCB\/KYC. Si une signature \u00e9lectronique avanc\u00e9e peut fournir une preuve solide de l&#039;identit\u00e9 du signataire et garantir l&#039;int\u00e9grit\u00e9 d&#039;un document, elle ne peut pas v\u00e9rifier d&#039;autres informations, telles que la provenance des fonds ou l&#039;origine du patrimoine., <a href=\"https:\/\/www.complycube.com\/fr\/quest-ce-que-la-propriete-beneficiaire-ultime-ubo\/\">propri\u00e9t\u00e9 effective<\/a>, ou le statut de sanctions.<\/p>\n\n\n\n<p>ComplyCube propose une plateforme de lutte contre le blanchiment d&#039;argent (LCB) de bout en bout, s\u00e9curis\u00e9e et fiable, dot\u00e9e de trois niveaux de signature \u00e9lectronique enti\u00e8rement conformes au r\u00e8glement eIDAS de l&#039;UE. R\u00e9duisez les obstacles pour vos clients tout en renfor\u00e7ant la confiance dans les transactions \u00e0 distance. <a href=\"https:\/\/www.complycube.com\/fr\/contactez\/contacter-le-service-commercial\/\">Commencer<\/a> en parlant d\u00e8s aujourd&#039;hui avec l&#039;un de nos experts.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/portal.complycube.com\/signup\"><img decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/06\/start-a-conversation-with-complycube-about-cip.png\" alt=\"Banni\u00e8re bleue avec le logo ComplyCube et le slogan &#039;\u00a0Engagez la conversation d\u00e8s aujourd&#039;hui pour en savoir plus sur nos solutions.\u00a0&#039;\" class=\"wp-image-34392\" srcset=\"https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/06\/start-a-conversation-with-complycube-about-cip.png 1024w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/06\/start-a-conversation-with-complycube-about-cip-300x169.png 300w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/06\/start-a-conversation-with-complycube-about-cip-768x433.png 768w, https:\/\/www.complycube.com\/wp-content\/uploads\/2026\/06\/start-a-conversation-with-complycube-about-cip-18x10.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<div class=\"cc-accordion\">\n<h2>Questions fr\u00e9quemment pos\u00e9es<\/h2>\n<details>\n<summary>Une signature \u00e9lectronique qualifi\u00e9e (QES) peut-elle expirer\u00a0?<\/summary>\n<p>Pas n\u00e9cessairement. Une signature \u00e9lectronique qualifi\u00e9e (SEQ) n&#039;est pas automatiquement invalid\u00e9e par l&#039;expiration d&#039;un document ou d&#039;un certificat. Sa validit\u00e9 est \u00e9valu\u00e9e au moment de la signature. Les entreprises utilisent des horodatages qualifi\u00e9s ou des preuves de validation \u00e0 long terme pour attester de la validit\u00e9 du certificat lors de la cr\u00e9ation de la SEQ.<\/p>\n<\/details>\n<details>\n<summary>Est-il possible de combiner les signatures QES et AES sur un m\u00eame document\u00a0?<\/summary>\n<p>Oui, un m\u00eame document peut contenir \u00e0 la fois des signatures \u00e9lectroniques qualifi\u00e9es (QES) et des signatures \u00e9lectroniques avanc\u00e9es (AES). Chaque document sign\u00e9 conserve sa propre validit\u00e9\u00a0; toutefois, sa force ex\u00e9cutoire d\u00e9pend de la loi et des exigences formelles de signature applicables.<\/p>\n<\/details>\n<details>\n<summary>Les certifications QES sont-elles reconnues en dehors de l&#039;UE\u00a0?<\/summary>\n<p>Les signatures \u00e9lectroniques qualifi\u00e9es (SEQ) sont automatiquement reconnues dans toute l&#039;UE dans le cadre du r\u00e8glement eIDAS. Cependant, cette reconnaissance n&#039;est pas syst\u00e9matique en dehors de l&#039;UE. Dans les pays tiers, elle d\u00e9pend des lois locales et des accords internationaux ou de reconnaissance mutuelle applicables.<\/p>\n<\/details>\n<details>\n<summary>Quelle est la diff\u00e9rence entre les signatures num\u00e9riques et les signatures \u00e9lectroniques\u00a0?<\/summary>\n<p>Bien que les termes \u00ab\u00a0signature num\u00e9rique\u00a0\u00bb et \u00ab\u00a0signature \u00e9lectronique\u00a0\u00bb soient parfois utilis\u00e9s indiff\u00e9remment, ils d\u00e9signent des r\u00e9alit\u00e9s diff\u00e9rentes. En r\u00e9sum\u00e9, la signature num\u00e9rique utilise la technologie cryptographique pour authentifier le signataire et garantir l\u2019int\u00e9grit\u00e9 des donn\u00e9es sign\u00e9es. La signature \u00e9lectronique, quant \u00e0 elle, est un concept juridique g\u00e9n\u00e9ral relevant du r\u00e8glement eIDAS et qui indique un accord ou une intention de signer.<\/p>\n<\/details>\n<details>\n<summary>Comment les signatures QES de ComplyCube r\u00e9pondent-elles aux exigences r\u00e9glementaires\u00a0?<\/summary>\n<p>Les solutions de signature \u00e9lectronique de ComplyCube prennent en charge les niveaux d&#039;assurance SES, AES et QES, conform\u00e9ment aux exigences du cadre eIDAS. Sa plateforme de lutte contre le blanchiment d&#039;argent (LCB) unifi\u00e9e combine identit\u00e9 v\u00e9rifi\u00e9e, protection cryptographique et signature de niveau QES au sein d&#039;un m\u00eame parcours client. Elle garantit la non-r\u00e9pudiation et assure la conservation d&#039;enregistrements infalsifiables et horodat\u00e9s.<\/p>\n<\/details>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Une signature QES offre le plus haut niveau de garantie en vertu du r\u00e8glement eIDAS de l&#039;UE. Elle renforce la s\u00e9curit\u00e9 de l&#039;int\u00e9gration \u00e0 distance, la non-r\u00e9pudiation, l&#039;interop\u00e9rabilit\u00e9 entre les \u00c9tats membres de l&#039;UE et peut juridiquement \u00eatre consid\u00e9r\u00e9e comme une signature manuscrite.<\/p>","protected":false},"author":27,"featured_media":35413,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[66],"class_list":["post-35385","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-regulations"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Learn what a Qualified Electronic Signature (QES) is, how it works under eIDAS, and why identity and signature verification matters for compliance.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Dini Habib\"\/>\n\t<meta name=\"google-site-verification\" content=\"9nwsC3BxNQT0rN_dh5xNnCBQI6EVMaGEtvfky-IUUgQ\" \/>\n\t<meta name=\"msvalidate.01\" content=\"6787C3F0846FBE039FCD4064ECED4F6A\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.complycube.com\/fr\/what-is-a-qualified-electronic-signature-qes\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ComplyCube | Identity Verification, KYC &amp; AML for Global Compliance\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"What is a Qualified Electronic Signature (QES)? 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