Your emails are your business.

Protect them with ProtonMail for Business.


Secure your business emails with ease

Built by PhDs, so it doesn’t take a rocket scientist to use encrypted email.

Get custom domain email addresses for all your employees.

Encrypt by default

Encrypt all emails automatically within your organization, without the need for an add-on or plugin.

Confidential emails

Send and receive confidential emails. No third party can access them, not even us.

Compatible with PGP

Exchange easily with your existing PGP partners (if applicable), thanks to our full PGP support.

Access encrypted email
on any device, wherever you go

Security should be easy. Anyone can use ProtonMail with our user-friendly apps.


Mobile applications

Enjoy award-winning mobile applications on iOS and Android.

Mail apps

You don’t have to re-train your teams on new tools. They can continue using Outlook, Apple Mail, Thunderbird and benefit from ProtonMail encryption.

Web browsers

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

The productivity tools you need for a clean, secure inbox

Tackle your inbox with ease. ProtonMail helps you stay productive and organized.


Protect your inbox from unwanted emails, like spam and malware.

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

Find anything in your mailbox using the Bridge, our easy-to-install software that lets you use Outlook, Apple Mail, and Thunderbird.

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

Add an email signature with your company’s logo and links to your website, so your emails look professional.

Receive all mail sent to your domain, even if it was sent to a nonexistent email address

Manage your
organization 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, add and remove storage space, set up email aliases, and reset passwords for email accounts.

Account transfer

Easily transfer emails when responsibilities change.

Show your clients you’re serious about security

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


  • Encrypt your external communications with our easy-to-use Encrypt-to-Outside feature — only you and your business partners can access your emails.

  • Create self-destructing messages by setting an expiration time in the Composer.

  • Save your contacts across devices and encrypt the most sensitive details.

Count on us for support

We are here to help you at any point in time.


Migrate your existing emails

Transfer your emails to and from your ProtonMail account with our migration tools (Import-Export and the Bridge) and the help of our Customer Success team.

World-class support

Receive personalized assistance from our expert, in-house Customer Success team, praised by 96% of our customers.

99.95% uptime

Rely on our 99.95% uptime, backed by a service level agreement (SLA).

Start protecting your emails.

With end-to-end encryption

Contact team or Get Started