Your emails are your business.

Protect them with ProtonMail for Business.

ProtonMail for Business secures your data on the cloud.
We make end-to-end encrypted email easy, on any device.

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Small businesses represent 58% of all cyberattack
victims, and emails are the #1 target.
Are you prepared?

Learn how ProtonMail protects you from cyberthreats

Secure your business email with
state-of-the-art encryption

With ProtonMail for Business, you get a secure, professional email address that matches your website domain name:

End-to-end encryption

Your organization’s emails are protected by state-of-the-art encryption. It’s so secure, not even we can read your emails.

Secure Swiss datacenters

Our emails are always encrypted on our Swiss servers, ensuring the confidentiality of your organization's communications.

Show your clients you care about their security and confidentiality

Communicate securely with your clients, vendors, and contractors, even if they don’t use ProtonMail.

Your emails are governed by Swiss laws, which offer some of the strongest privacy protections in the world.

ProtonMail is compliant with HIPAA and GDPR.

World's #1 largest secure email provider

Over 30 million users in 197 countries

More than 10 000 teams use ProtonMail for Business

Teams can easily access their
secure emails anywhere


Easy encryption

All emails exchanged within your organization are automatically encrypted by default, no add-on or plugin required.

Mail apps

PGP encryption is automatically applied within your favorite email solution, like Outlook, Apple Mail, or Thunderbird. No need to re-train your team on a new tool.

On a browser or mobile

ProtonMail is also available on your web browser and through our iOS and Android apps.

As featured in


"We use the best encrypted email service provider in the world -
it is inspiring that more and more people are using ProtonMail and essentially saying, I am taking privacy more seriously."

Yemi Babington-Ashaye,
President of United People Global

Common questions about ProtonMail for Business

The ProtonMail Plus plan is for single users, whether you’re looking for a new personal email account or you’re a business owner with basic email needs. ProtonMail for Business, accessible via the Professional Plan, is the plan of choice for organizations of all sizes. It offers admininstrative functionality to administer email across an organization (including resetting user passwords), priority support, unlimited messages, and catch-all email.

By default, you will receive 5GB of email storage for each user. For example, if you have eight users, you will get 40GB of space that you can allocate as you wish across all eight inboxes (e.g. inbox 1 and 2 - 10GB, inbox 3-8 - 3GB). If you need more storage space, just contact our sales team.

Of course. Once you are logged into your account in a web browser, you can upgrade to a Professional Plan by clicking on Settings and then Dashboard in the menu bar on the left. This will bring you to our pricing menu.

Absolutely, you can migrate your existing emails over to ProtonMail. After purchasing a ProtonMail Professional account, you will first need to update your domain’s DNS settings in order to redirect your emails to our servers in Switzerland. Then, our expert in-house Customer Success team will assist you with setting up your inboxes and migrating your existing email data if necessary. If you would like to continue using your existing email provider while also using ProtonMail, please contact our sales team.

Yes! We offer discounts to nonprofit organizations. Please contact our sales team for more information.
Certainly. You can get your own custom email domain and have addresses like

Start protecting your emails.

With end-to-end encryption

Contact team or Get Started