What Proton Mail is
Proton Mail is made by Proton AG. It sits in our Security & business email category, alongside the other options listed at the end of this page.
Best suited to: Businesses that prioritize privacy and encrypted email.
What it does
- End-to-end encrypted email
- Custom domains for business
- Calendar, Drive and VPN in bundles
- Admin console
Which business sizes it fits
How Proton Mail lines up with the four business sizes we use across USA24.
Solo
Good fit
Freelancers and one-person businesses
Main Street
Good fit
2–20 employees
Growth
Good fit
20–200 employees
Global
Good fit
Teams across borders
What to check before you buy
Questions to answer, ideally during a free trial or a demo, before you commit:
- Encryption with people outside Proton.
- Moving from Gmail or Outlook.
- Plan features.
- Compliance needs.
- US tax and compliance. Software doesn't replace professional advice on payroll, sales tax or industry rules.
- Getting your data out. Ask how you would export your data if you ever switch.
Pricing
Proton Mail pricing depends on the plan, number of users and add-ons, and vendors change it often. We don't list prices on overview pages; check the current plans on the official Proton Mail website. Our full review will break down the real cost.
Other options in Security & business email
Next step
Shortlist it, then test it on real work.
Read our five-step guide to choosing business software, then run Proton Mail through one real week of your work before you decide.