Get work done with Proton for Business

Security should be easy. Protect your organization's data with Proton's user-friendly apps for email, calendar, file storage, and VPN.

Proton Mail

Secure all your mail

Send email outside of your business just like you always have, or set a password if you want an extra layer of security. Already have PGP keys for your contacts? Those work too.
With Proton, all your messages are stored with zero-access encryption.

Get custom domain email addresses for all your employees.

<h5>Encrypted by default</h5>

Encrypted by default

Encrypt all your business emails automatically without needing an add-on or plugin.

Proton Calendar encrypts all your event details so only you can access them.
Proton Calendar

Encrypted events

Secure your calendar — every task and event you add to your calendar is stored with encryption. Sending calendar invites? Those are sent through your encrypted email account.

Integrated experience

Keep your schedule in one place. Proton Calendar automatically adds invitations you receive through Proton Mail, and you can quickly import your Google or Microsoft calendars.

Shared calendars (coming soon)

Make sure your teams have the information they need when they need it with shared calendars.

Proton VPN


Connect to Proton VPN and get work done no matter how data intensive — browse the web, download files, and join video meetings like normal.
Connect to Proton VPN for fast and secure web browsing.


Prevent your browsing activity from being exposed. Proton VPN encrypts your web traffic and hides your location from ISPs and trackers.


Tap into an always-available, high-bandwidth server near you no matter where you are. We maintain hundreds of secure VPN servers around the world.

Start protecting your business with Proton

Trusted by over 10,000 businesses around the world

Proton already keeps thousands of businesses secure and productive.

Access your account on any device, wherever you go

Stay productive and organized no matter where you are. There are many ways to access your Proton apps.

Mobile apps

Enjoy award-winning mobile apps on iOS and Android.

Web browsers

Log in through your favorite web browser on MacOS, Windows, or Linux.

Third-party apps

Your team can keep using Outlook, Apple Mail, and Thunderbird while benefiting from end-to-end encryption thanks to Proton Mail Bridge.

Stay on top of your secure inbox with email productivity tools

Proton helps your team stay productive and organized. Tackle your inbox with ease.
<h5>Advanced search</h5>

Advanced search

Use Outlook, Apple Mail, and Thunderbird with Proton Mail Bridge to search your encrypted message contents. Coming soon: Encrypted content search for Proton web and mobile apps.



Set up automatic filters to sort your mailbox and prioritize the emails that matter most.

<h5>Out of office</h5>

Out of office

Set an out-of-office response to let contacts know when you’re unavailable.



Customize your email signature with your business’s logo and links to your website to make your emails look professional.

Manage your business’s email, calendar, and VPN within the admin console

Give your team the tools they need to work efficiently.

User management

As an administrator, you can add, remove, or view the access level of every user. Plus, you can add and remove storage space, set up email addresses, and reset passwords for email accounts.


Receive mail sent to nonexistent email addresses on your business domain, so you'll never miss a message.

Spam protection

Protect inboxes from unwanted emails, including spam and malware, to help keep your team focused and safe.

Distribution lists (shared addresses) - Coming soon

Keep teams on the same page by assigning multiple users to the same email address (e.g., Contact the sales team to be notified when this feature is available.

Contact lists

Easily send emails to the whole team or groups of recipients by creating contact lists.

Account transfer

When team member responsibilities change, it's easy to transfer emails to a different account.

Show your customers you’re serious about security

Protect your sensitive data and the sensitive data of your customers, clients, and partners.

Count on us for support

We are here to help you any time.

Migrate your existing emails

Transfer your emails to and from your Proton account with our migration tools and the help of our Customer Success team.

World-class support

Receive personal assistance from our expert, in-house Customer Success team, rated positively by 96% of our customers.

99.95% uptime

Rely on Proton for 99.95% uptime, backed by a service level agreement (SLA(new window)).

Comprehensive security and privacy for your business

Easily secure all your business communications, meetings, and documents with state-of-the-art encryption and advanced security features.

Common questions about Proton for Business