Tresorit

File security without compromise: end-to-end encrypted storage, sharing and collaboration aimed at businesses and privacy-maximalists. Its natural home is with law firms, healthcare providers and finance teams that need compliance-grade controls — expiring links, granular access policies and audit trails — layered on top of encryption rather than bolted on afterwards. Individuals who simply want the strongest possible confidentiality use it too, but the feature set and pricing are built around organisations that must be able to prove their data handling, not just secure it.

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The Personal Essential plan is US$11.99/mo on annual billing — a clear premium over consumer rivals, and what you are buying is compliance-grade security rather than raw gigabytes. There is no permanent free tier; instead you get a 14-day trial to evaluate it before committing. For an individual it is expensive next to pCloud or Icedrive, but for anyone who needs zero-knowledge encryption with audit trails and access controls, that is the point of the price.

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Yes — it holds our Most-secure badge. Every file gets zero-knowledge, end-to-end encryption, backed by Swiss jurisdiction, ISO 27001 certification and enterprise-grade access controls. Not even Tresorit can decrypt your data, because the keys never leave your control — security here is the entire product, not an add-on.

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Swiss Post — Switzerland's national postal service — has held the majority stake since 2021, while the founding team still runs the product day to day. Being majority-owned by a state postal operator gives it a uniquely conservative, trustworthy ownership profile in this market.

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It is ‘TREH-zor-it’ — from ‘Tresor’, the German and French word for a safe or vault, plus ‘-it’. The name is really the pitch in miniature: a digital vault for your files.

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For confidentiality, yes. Tresorit is zero-knowledge — only you hold the keys — whereas Dropbox can technically access your content, which is precisely what enables its far bigger integration and collaboration ecosystem. So the honest split is: Dropbox for breadth of collaboration and third-party apps, Tresorit for genuinely sensitive data that must stay unreadable to the provider. Which one is ‘better’ depends entirely on whether your priority is working with others or locking everything down.

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