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Tresorit

Partage de fichiers · Suisse
Fondé en 2011 · tresorit.com

Swiss-Post-owned (state-anchored) E2E encrypted enterprise cloud storage (Tresorit AG, Zurich), Swiss + EU DC options, ISO 27001.

Tresorit propose un hébergement européen en Irlande, mais une maison mère ou un sous-traitant américain laisse une exposition matérielle au CLOUD Act. Référencé dans la catégorie Partage de fichiers.

Notes d’évaluation

Tresorit AG (Zurich, Pfingstweidstrasse 60b; CHE-349.825.210) is the enterprise-grade zero-knowledge end-to-end-encrypted cloud-storage product founded in 2011 by István Lám and Szilveszter Szebeni in Hungary and majority-acquired by Swiss Post (the Swiss state-owned postal operator) in 2021; Swiss Post remains the majority shareholder, and the about page describes Tresorit as part of Swiss Post's digital business services, so the company sits under Swiss state-anchored ownership (a stronger reading that Swiss Post is now the sole shareholder is not confirmable from a primary source, and 2021 coverage has the founders retaining a minority); ISO/IEC 27001:2022 certified by TÜV Rheinland, GDPR + HIPAA + ITAR + FINRA + CCPA + CJIS + DORA + NIS2 + TISAX coverage, customer-selectable Swiss or EU data residency, contracts under Swiss law / Swiss Federal Act on Data Protection. The verified sub-processor list (2026-06) shows Tresorit's primary hosting is Microsoft Azure (a US-owned hyperscaler), which raises CLOUD Act exposure to material on a structural reading; in practice the zero-knowledge end-to-end encryption means Azure stores only ciphertext and Tresorit holds no keys, so compelled disclosure yields no readable content. State-anchored Swiss (Swiss Post) ownership, ISO/IEC 27001:2022 certified by TÜV Rheinland; since the May 2026 audit the Data Processing Addendum is published at a public, login-free URL linked from tresorit.com/legal, closing the documentation gap that previously capped this listing.

Constats

CLOUD Act
Actionnariat
Sous-traitants
15 · 13 US

Signaux vérifiés

Juridiction
  • Hébergement UE / adéquation: Oui
  • Opérateur UE / adéquation: Oui
  • Aucune exposition au CLOUD Act: Non
Transparence
  • DPA public: Oui
  • Sous-traitants divulgués: Oui
  • Clients open source: Non
  • Certification tierce: Oui
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À propos de Tresorit

Tresorit is the enterprise zero-knowledge end-to-end-encrypted cloud-storage product operated by Tresorit AG at Pfingstweidstrasse 60b, 8005 Zurich, Switzerland (CHE-349.825.210), with offices also in Budapest, Hungary and Munich, Germany. Founded in 2011 by Hungarian engineers István Lám and Szilveszter Szebeni, the company built its reputation around mathematically-provable client-side encryption: every file, file name, and metadata is encrypted on the user device before upload, so neither Tresorit nor any data-centre operator can access plaintext customer content. The company serves 11,000+ organisations with 4.9 / 4.5 G2 / Capterra ratings.

For an EU-sovereignty audit Tresorit's ownership story is unusually strong. In July 2021 Swiss Post (the Swiss state-owned postal and digital-services operator) acquired a majority stake, and the about page now describes Tresorit as part of Swiss Post's digital business services under the Swiss Post Digital name. Majority ownership is confirmed; a stronger claim that Swiss Post is now the sole shareholder could not be confirmed against a primary source, and 2021 coverage has the founders retaining a minority. This pushes the directory's other (Switzerland) classification into the highest end of that tier: Swiss jurisdiction with state-owned parent is structurally as close to "sovereign" as a vendor can credibly claim. The compliance footprint matches: ISO/IEC 27001:2022 certified by TÜV Rheinland (covering sales, development, maintenance, and support of E2E-encrypted cloud services), plus alignment with GDPR, HIPAA, ITAR, FINRA, CCPA, CJIS, DORA, NIS2, and TISAX, an unusually broad regulated-industry coverage including US healthcare (HIPAA), US defence-export controls (ITAR), US financial markets (FINRA), and US criminal-justice systems (CJIS) for the rare global customers who need that combination on top of a Swiss-jurisdiction base. Customer-selectable Swiss or EU data residency, contracts under Swiss law and the Swiss Federal Act on Data Protection.

Pricing in EUR: the personal ladder was renamed during 2026 and is now Personal Lite (50 GB), Personal Essential (1 TB) and Personal Pro (4 TB), with a monthly or yearly toggle advertising 20 percent off annual billing. The older Personal Plus tier no longer exists, and the amounts now render client-side, so the pricing page is the figure to budget against. Business plans start in the €14-30/user/month range across SecureCloud and Engage tiers; Enterprise is negotiated. Best fit: regulated enterprises (legal, financial-services, healthcare, defence), Swiss public-sector buyers, journalists and NGOs, and any organisation needing a Dropbox / Box / OneDrive replacement with mathematically-provable zero-knowledge encryption from a state-anchored Swiss vendor. Together with Proton Drive, Tresorit forms the directory's Swiss-encrypted file-sharing dual-pick; Proton wins on consumer / freemium and ecosystem breadth (Mail/VPN/Pass/Calendar/Docs), Tresorit wins on enterprise compliance breadth and the unique Swiss-Post state-owned governance.

Carte des sous-traitants · 15

Source
  • Amazon Simple Email Service (SES) US
    États-Unis

    Transactional and notification emails (data in Ireland/EU)

  • DocuSign US
    États-Unis

    Electronic signatures for agreements

  • Google reCAPTCHA US
    États-Unis

    Fraud and misuse prevention during checkout

  • Microsoft Azure US
    États-Unis

    Primary hosting (E2E-encrypted content stored in Ireland/EU) and application performance monitoring

  • Pardot (Salesforce) US
    États-Unis

    Marketing campaigns for customers and subscribed visitors

  • PayPal US
    États-Unis

    Online payments

  • Productboard US
    États-Unis

    Customer feedback management

  • Salesforce US
    États-Unis

    Customer relationship management (data in Ireland/EU)

  • SendGrid (Twilio) US
    États-Unis

    Transactional and notification emails

  • Stripe US
    États-Unis

    Payment processing

  • Twilio US
    États-Unis

    Two-factor authentication (voice and SMS)

  • Zendesk US
    États-Unis

    Customer support tools

  • Zuora US
    États-Unis

    Subscription billing, invoicing and management

  • Tresorit GmbH EU
    Allemagne

    Affiliate sub-processor delivering Tresorit services

  • Tresorit Kft. EU
    Hongrie

    Affiliate sub-processor delivering Tresorit services

Source : liste publiée des sous-traitants de l’éditeur, lue le 26 août 2026.

13 sous-traitants sur 15 sont détenus par des capitaux américains ou établis aux États-Unis. Exposition au CLOUD Act applicable.

Référentiels & certifications

ISO/IEC 27001
Active

Matrice de fonctionnalités

Tableau 2Fonctionnalités de Tresorit

Stockage payant (à partir de) 50 Go
Taille max. de fichier 2 Go
Synchro photos Non
Versionnage des fichiers Oui
Partage par lien Oui
Plateformes iOS macOS Windows Android Linux Web

Intégration & accès

REST API Oui
SSO (SAML / OIDC) Oui

Conformité & gouvernance

Audit log Oui
Self-host / on-prem option Non

Tarifs & paliers

à partir de 10 €/mois
Payant
Voir la page tarifs

Documents publics

  • Contrat de sous-traitance (DPA)
    web.tresorit.com/l…
    Ouvrir
  • Liste des sous-traitants
    support.tresorit.com/hc…
    Ouvrir
  • Conditions d'utilisation
    tresorit.com/legal…
    Ouvrir

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