Proton Business
Proton Business is a Swiss-based, end-to-end encrypted productivity suite combining business email, calendar, cloud storage with document editing, password manager, and VPN under one admin-managed pla…
💬 Verdict
Proton Business is an excellent fit for privacy-conscious small to medium businesses that need a secure email, storage, and security suite and value the Swiss jurisdiction and E2EE. It is not yet a replacement for Google Workspace or Microsoft 365 for teams that rely heavily on advanced document collaboration, integrations, and enterprise-grade compliance tools. If you prioritize privacy and are willing to compromise on collaboration features, Proton Business is one of the most compelling options on the market.
Proton
Plans start at $8/month
📊 Pros & Cons
Pros
- 👍 End-to-end encryption is baked into the entire stack — email, calendar, Drive files, passwords, and VPN — so the privacy model is consistent across tools.
- 👍 Swiss jurisdiction and open-source, independently audited apps give it strong credibility for businesses protecting sensitive client data.
- 👍 Business plans consolidate Mail, Calendar, Drive, Pass, and VPN under one admin-managed package, reducing privacy-vendor sprawl.
- 👍 Proton Drive lets you share encrypted files with password and expiry controls even with people who don't use Proton.
- 👍 It is a practical way to move a small organization away from Google/Microsoft data collection without losing professional email and file access.
Cons
- 👎 Document collaboration is still basic: Proton Docs mainly supports word processing and does not have spreadsheet/slides-style apps or the rich commenting/add-on ecosystems of Google and Microsoft.
- 👎 Admin and compliance controls are limited compared with enterprise suites, especially around eDiscovery, data-loss prevention, and advanced user lifecycle policies.
- 👎 Client-side encryption can make large Drive syncs slower or more brittle for shared team workflows than mainstream file storage.
- 👎 VPN is not available on the entry business plan, and it is a privacy VPN, not a full network-security/zero-trust replacement.
- 👎 Third-party integrations are minimal; you will need to handle DNS migration, and there is no native Zapier/Microsoft add-in ecosystem.
🎯 Use Cases
Encrypted Drive links with passwords and expiration dates are ideal for sending contracts, financials, and legal files directly to external parties without exposing them to cloud providers.
Proton combines encrypted email, calendar, Drive, Pass, and VPN in one business admin console, so a small team gets a privacy-first replacement for several separate tools.
Swiss jurisdiction, zero-access encryption, and a data-processing agreement give EU-focused organizations a straightforward way to keep communications under European privacy principles.
Proton Docs is fine for internal notes and basic proposals that need to stay encrypted, but heavy commenting, versioned workflows, and complex formatting are still better done in mainstream office suites.
🔌 Integrations
🔍 Deep Dive
The entry business plan does not include the full Drive/VPN bundle, so you may need to pay more for the Business tier just to get adequate storage and VPN. Extra users, additional storage beyond quotas, custom domain/branding needs, and dedicated migration support can add to the bill; Proton Bridge for Outlook also requires a paid plan and works only on desktop clients.
Moderate — basic email and Drive sharing are familiar, but configuring custom domains, Bridge/IMAP access, and proper admin encryption policies takes deliberate onboarding.
Teams that depend heavily on real-time collaborative documents, deep Microsoft 365/Google Workspace integrations, or mature compliance features like eDiscovery and DLP should skip Proton — or use it only for a specific secure-communication function.
❓ Frequently Asked Questions
How much does Proton for Business cost and what does each plan actually include?
Proton sells per-user plans broken into Mail Essentials, Business, and Enterprise tiers. The entry tier is mainly encrypted email and calendar; the Business tier is where Drive, Pass, and VPN come as part of the bundle, and Enterprise is custom-priced. Exact storage and feature quotas differ by region and annual billing, so check the current pricing page or ask sales.
Can Proton Drive replace Google Drive or OneDrive for my team?
It can securely store and share files, and Proton Docs gives basic word-processing with real-time collaboration, but it is not a full Google Drive/Microsoft workload replacement. You do not get spreadsheet/slide-style apps, rich third-party add-ons, or the same deep sharing/commenting ecosystem.
Is Proton for Business compliant with GDPR, HIPAA, or SOC 2?
Proton is Swiss-based, GDPR-friendly, and supports enterprise compliance documentation such as DPAs. It also has security certifications for its services, but you should not assume every plan automatically includes a HIPAA BAA or every SOC control you need — verify with Proton Enterprise sales before relying on it for regulated workloads.
Can I keep using Outlook or Gmail alongside Proton?
You can use Outlook and other desktop clients through Proton Bridge on a paid plan, but there is no seamless native integration with Google Workspace or Microsoft 365. Moving to Proton means updating DNS/SPF/DKIM records and either migrating mailboxes manually or using a migration service.
Does Proton Drive support versioning, expiry links, and offline sync?
Yes, Proton Drive includes version history, password-protected links with expiration dates, and desktop/mobile/web access. However, offline sync behavior is less polished than Dropbox or OneDrive, and client-side encryption can make large shared-team folders slower to sync.
What are the biggest limitations of Proton for Business?
The main gaps are collaboration depth, admin controls, and integrations. Proton Docs is more basic than Google/Microsoft online editing, there are fewer eDiscovery and DLP features, and because the ecosystem is privacy-focused, third-party integrations are deliberately limited.
