Guide de conformité ZertES pour les entreprises suisses 2026
Legal Compliance

Guide de conformité ZertES pour les entreprises suisses 2026

Les entreprises suisses font face à des obligations ZertES SR 943.03 dans les marchés publics, le secteur bancaire et les tribunaux. Découvrez ce qui est qualifié, qui doit se conformer et comment sceller des documents.

D
Dani Wattenhofer· Business Development, Swiss Trust Layer AG
·June 23, 2026· 6 min de lecture

Debut 2024, une fiduciaire zurichoise a soumis une offre pour un projet d'infrastructure publique depassant le seuil federal de CHF 230 000 pour les marches publics. L'offre gagnante s'appuyait sur une serie de declarations signees, toutes produites sous forme de PDF standard sans sceaux qualifies. Lorsqu'un concurrent a conteste l'integrite des documents six mois plus tard, le service des marches publics cantonal a reclame une preuve cryptographique que les declarations n'avaient pas ete modifiees apres leur depot. La fiduciaire n'en disposait pas. La contestation a declenche un processus de reevaluation qui a coute a la fiduciaire le contrat et CHF 180 000 en frais administratifs et juridiques. En vertu de ZertES SR 943.03, un sceau qualifie d'un prestataire accredite par le BAKOM aurait immediatement ferme cette porte.

C'est exactement ce resultat que la conformite ZertES previent. Pour les entreprises suisses actives dans les marches publics, les services financiers, la sante et les activites proches du contentieux, le cadre n'est plus une formalite juridique. C'est la reference pour des documents juridiquement defensables.

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