
Proton Mail For Business
Email software
Email encryption software
Email security software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
Take the quiz to check if Proton Mail For Business and its alternatives fit your requirements.
$6.99 per user per month
Small
Medium
Large
- Arts, entertainment, and recreation
- Public sector and nonprofit organizations
- Media and communications
What is Proton Mail For Business
Proton Mail for Business is a hosted email service designed for organizations that need encrypted email and privacy-focused account administration. It supports custom domains, multi-user management, and security controls intended for regulated or security-conscious teams. The service emphasizes end-to-end encryption for messages between Proton Mail users and provides options for encrypted messages to external recipients. It is typically used by small to mid-sized businesses, nonprofits, and teams that prioritize data protection and reduced provider access to mailbox contents.
End-to-end encrypted email
The service provides end-to-end encryption for email exchanged between Proton Mail users, reducing exposure of message content to third parties. It also supports sending encrypted messages to external recipients via secure links and passwords. This focus on content confidentiality differentiates it from many mainstream business email suites that prioritize collaboration features over encryption by default.
Business admin and domains
Proton Mail for Business includes administrative controls for managing users, addresses, and custom domains. Teams can centralize account provisioning and apply organization-level settings rather than managing individual consumer accounts. This aligns it with business email platforms while keeping encryption and privacy as the primary design goal.
Security and privacy posture
The product is built around minimizing provider access to mailbox content through encryption and related key management approaches. It supports modern authentication and account security features (for example, multi-factor authentication) to reduce account takeover risk. For organizations that want a dedicated email security posture without bundling broader productivity tooling, this can simplify vendor selection.
Limited collaboration suite depth
Compared with full productivity suites, Proton Mail for Business is primarily an email and security product rather than a comprehensive collaboration platform. Organizations that require tightly integrated document editing, team chat, and meeting workflows may need additional tools. This can increase integration and administration overhead across multiple vendors.
Encryption interoperability constraints
End-to-end encryption is strongest within the Proton ecosystem, while communication with external recipients may rely on portal-based access or shared secrets. This can introduce user training needs and occasional friction for recipients. Some organizations may prefer standards-based encrypted email workflows depending on partner requirements and existing tooling.
Migration and client considerations
Moving from established business email providers can require careful planning for mailbox migration, DNS changes, and client configuration. Certain legacy workflows (such as complex mail routing, archiving integrations, or specialized compliance tooling) may require validation or workarounds. Teams should confirm compatibility with their preferred desktop/mobile clients and any required third-party security gateways.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Mail Essentials | $6.99 per user/month (starting price) | 15 GB per user, 10 email addresses per user, support for custom domains (3), robust spam/phishing protection, password-protected & expiring emails, Proton Scribe (see official plan details). |
| Mail Professional | $9.99 per user/month (annual billing) — $10.99 per user/month (monthly billing) | 50 GB per user, 15 email addresses per user, workspace branding, advanced account protection (Proton Sentinel), email groups; launched as a new paid tier. |
| Proton Business Suite | $12.99 per user/month (annual billing) — $14.99 per user/month (monthly billing) | 500 GB (or 1 TB in some pages) per user for Mail + Drive (pricing announcement lists 500 GB), 20 email addresses per user, includes Proton Drive, Proton VPN (business features), Proton Pass, Proton Sentinel; recommended full-suite plan. |
| Enterprise | Custom pricing | Customizable solution with dedicated account manager and all Proton services — contact sales. |
Notes: Prices and billing-cycle breakdowns are taken from Proton's official blog and business pricing pages (see citations in the assistant response).
Seller details
Proton AG
Geneva, Switzerland
2014
Private
https://proton.me
https://x.com/ProtonPrivacy
https://www.linkedin.com/company/protonprivacy/