Trusted email security for your business
Keep your organization’s communications private and stay safe from digital threats. Your business emails are end-to-end encrypted by design.
Strong Encryption
Verified security
Anti-abuse safety
Admin control
Trusted privacy
Why choose Proton Mail for Business?
Get email protection automatically. Because Proton Mail uses end-to-end and zero-access encryption by design, you always enjoy the strongest business email security possible.
Send secure emails by default
Get email protection automatically. Because Proton Mail uses end-to-end and zero-access encryption by design, you always enjoy the strongest business email security possible.
Within Proton Mail
Emails between Proton Mail accounts and within your organization are automatically end-to-end encrypted.
No one but you and your recipients can see your messages — not even us.
Outside of Proton Mail
Zero-access architecture instantly encrypts emails from other service providers with your public key upon arrival.
Even if there’s a server breach, your emails and attachments stay unreadable.
Password-protected emails
Communicate with end-to-end encryption to external clients and partners, even if they don’t use Proton Mail.
Simply set a password, and an optional expiration date if you’d like the message to self-destruct.
Enable privacy compliance
Seamlessly comply with data protection regulations like CJIS, GDPR, HIPAA, and PCI. Demonstrate your brand’s commitment to ethics, data sovereignty, and data security.
ISO 27001 certified
ISO 27001 certification is the international gold standard for information security management systems. Using Proton shows you care about rigorous security, risk mitigation, and data integrity.
Third-party audits
Beyond basic compliance, Proton constantly seeks to surpass frameworks such as NIS2, DORA, and CCPA through independent audits and pursuit of new certifications. This means a cutting-edge, robust email platform and greater peace of mind for all our customers.
Easily migrate your team to Proton Mail for Business
With our Easy Switch tool, you can move your emails, labels, contacts, and calendars to Proton Mail in just a few clicks. Need help? Check out our business support hub or contact our team for assistance.
Block attacks on your business
With cyberattacks becoming more rampant, your team requires multi-layered defenses to safeguard your organization’s intellectual property against evolving threats.
PhishGuard
Mitigate phishing attacks with alerts and filters that often prevent threats from reaching your inbox. Potential phishing emails are blocked or flagged with a clear warning, greatly reducing susceptibility to scammers and bad actors.
Proton Sentinel
Our most sophisticated account security system fuses AI and expert human analysis to protect your team’s inboxes around the clock. Suspicious login attempts are automatically flagged or blocked, with detailed security logs provided for your review.
SPF
Sender Policy Framework lets you designate that Proton Mail servers are authorized to send emails on your domain's behalf, helping your messages avoid spam folders and preventing impersonation.
DKIM
DMARC
Be in control of your organization
Ensure your team is taking strong security measures. Admins have visibility and flexibility to manage users.
Multi-factor authentication
Boost your organization’s security by enforcing two-factor authentication (2FA) or hardware security keys like YubiKeys for sign-ins. This keeps your business accounts and data secure, even if user credentials leak.
Centralized admin panel
Efficiently manage your business’s domain users from one interface. Use the admin panel to manage account access and security settings, from onboarding new hires to changing permissions and passwords.
Verify and trust your data is safe
Uncompromising physical security
Proton’s security commitment extends to our data centers, which require biometric access. Our server hardware, owned and controlled only by us, uses fully encrypted hard disks.
Fortified by experts
Code transparency gives you peace of mind that our apps are secure against vulnerabilities. Our open source apps regularly undergo security audits by independent researchers.
Protected by strict privacy laws
Because Proton is based in Switzerland, your business benefits from some of the world’s strongest privacy laws. We can never be compelled to spy on you or comply with foreign data requests without a valid local court order.
Trusted by thousands of global organizations to stay secure
30k+
Finance and technology professionals
10k+
Startups
15k+
Non-profit organizations
20k
EU government organizations out of over 80
United people global
President
"We use the best encrypted email service provider in the world. It is inspiring that more and more people are using Proton Mail and essentially saying, I am taking privacy more seriously."
Avocats sans frontières
Administration & IT Manager
"The implementation of Proton Mail has allowed us to strengthen our security on our platforms and improve our cyber security knowledge. With Proton, we've been able to centralise our digital tools which has helped us reduce costs by 70%."
