The most trusted secure business email and calendar
Easy to use and encrypted by default, your business emails and events are always private.
Trusted by over 50,000 businesses and 100 million people around the world
Encrypted email
that ensures business privacy
Protect your business
Proton Mail and Proton Calendar don’t share your data with third parties or scan your communications like Microsoft and Google do. And it’s easy, there’s no training or extra steps required for your organization.
Safeguard your valuable data
Proton encrypts your data by default to keep your internal communications and customer data secure. Thanks to automatic encryption, your business email, calendar and contacts are protected from data breaches and easily comply with data protection laws.
Customize your email workspace
Get a custom email domain (like yourname@example.com), brand your mailbox, apply advanced filters, set up a catch-all email address, and more for seamless productivity.
Stay secure and connected anywhere
Keep your team secure on the go with our open source and end-to-end encrypted apps for web, iPhone, Android, Windows, and Mac. Our apps are easy to use and come with every business plan at no extra cost.
Over 100 million people trust Proton
Founded by scientists in 2014, Proton Mail is the world’s most popular encrypted email provider. Our mission is to build a more secure internet where you control your data, not tech companies.
The security assurance you need
Proton undergoes systematic in-depth audits to verify we’re secure. Our open-source apps are regularly inspected by independent security experts, and we obtained an ISO 27001 certification. Proton can help you fulfill your regulatory requirements and protect your data.
Choose a plan and start protecting your business data
- lagerplads pr. bruger
- brugerdefinerede e-maildomæner
- Secure personal and shared calendar
- Cloud storage and sharing for large files
- Proton Scribe writing assistant
- lagerplads pr. bruger
- brugerdefinerede e-maildomæner
- Secure personal and shared calendar
- Cloud storage and sharing for large files
- Advanced account protection
- Manage user permissions and access
- Proton Scribe writing assistant
- lagerplads pr. bruger
- brugerdefinerede e-maildomæner
- Secure personal and shared calendar
- Cloud storage and sharing for large files
- Advanced account protection
- Manage user permissions and access
- VPN connection for devices per user
- Password manager to secure credentials
- Proton Scribe writing assistant
Enterprise
- Customizable solution, whether you’re a large company, in the public sector, or a nonprofit
- Dedicated account manager
- All Proton services
Proton Scribe writing assistant
Add-on
Take email productivity to new levels with Proton Scribe
- Quickly write emails
- Proofread, summarize or change the tone with one click
- Run it directly on your device
Add it to your plan in the next steps from $2.99/user/month
All the features you need,
secure by design
Default encryption for your team
Emails to other Proton Mail accounts are always end-to-end encrypted. You can also set a password when emailing external addresses.
Communicate securely on every device
Access your email and calendar on web, Android, iPhone, macOS, and Windows.
Setup automatic email forwarding
Improve workflows, forward emails to colleagues, CRMs, customer support software, and other third-party apps.
Master your inbox with schedule, undo, and snooze
Schedule emails to send later, undo send for last-minute fixes, and snooze incoming mail to read later.
Write better emails with confidence
Our Proton Scribe writing assistant ensures your team is more efficient by saving you time writing and proofreading emails.
Make scheduling easier
Share calendars and see when your colleagues are busy to help you schedule meetings faster.
Swiss privacy for your business data
Proton is based in Switzerland, meaning your business data is stored outside US and EU jurisdiction and benefits from some of the world’s strictest privacy laws.
Open source and independently audited
As a company founded by scientists who met at CERN, we believe in the power of transparency and peer review.
Your business’ data belongs to you
Proton uses end-to-end encryption and zero-access encryption, so no one — not even us — can access your communications or customer data.
Comply with data protection laws
Proton Mail helps you comply with personal data regulation like HIPAA and GDPR thanks to our default end-to-end encryption and privacy by design principles.
Advanced protection against hacking
Our unique Proton Sentinel high-security program uses machine learning and human analysis to monitor and block account takeover attacks.
