Proton Mail for Business vs Soverin
In short: Proton Mail for Business wins on privacy, Soverin wins on price, and Soverin wins on features. The full comparison is below, last checked 25 October 2026.
Proton Mail for Business or Soverin: which should you choose?
- Proton Mail for Business suits you best if you want end-to-end encryption built in and open-source apps anyone can check.
- Choose Soverin if you want to pay less: €3.25 a month, yearly; 25 GB of storage; and freedom to use the mail app you already like.
| Feature | Proton Mail for Business | Soverin |
|---|---|---|
| Overall | 4.0 | 3.5 |
| Privacy | 4.5 | 2.5 |
| Price | 2.5 | 4.0 |
| Features | 4.5 | 5.0 |
| Cheapest plan | Mail Essentials $6.99 per user a month | Private Mailbox €3.25 a month, yearly |
| Free plan | No | No |
| Storage | 15 GB | 25 GB |
| Your own domain | ✓ 3 | ✓ Yes |
| End-to-end encryption | ✓ Built in | No |
| Company based in | Switzerland | Netherlands |
| Your data is kept in | Switzerland | Netherlands |
| Founded | 2014 | Unknown |
| Free trial | 30-day refund | No free trial; 30-day money-back guarantee |
| Funded by advertising | No | No |
| Works in any mail app | With Proton Bridge on paid plans | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | Yes | Unlimited |
| Open-source apps | ✓ Yes | No |
| Sign up without ID | No | No |
| White label | No | Unknown |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 25 October 2026 |
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The key differences
- Proton Mail for Business's cheapest plan is Mail Essentials ($6.99 per user a month); Soverin's is Private Mailbox (€3.25 a month, yearly).
- Space: Proton Mail for Business gives 15 GB of storage, Soverin 25 GB of storage.
- Your mail is stored in Switzerland with Proton Mail for Business, and in the Netherlands with Soverin.
- The companies sit under different laws: Proton Mail for Business in Switzerland, Soverin in Netherlands.
- On encryption, Proton Mail for Business encrypts mail end to end, whereas Soverin doesn't encrypt mail end to end.
- Mail apps: Proton Mail for Business works in other mail apps through Proton Bridge on paid plans; Soverin works in any mail app over IMAP.
- Aliases: Proton Mail for Business offers yes, Soverin unlimited.
Questions people ask
Is Proton Mail for Business more private than Soverin?
Proton Mail for Business scores 4.5 out of 5 for privacy and Soverin 2.5. Proton Mail for Business gives you end-to-end encryption built in and open-source apps anyone can check.
Is Proton Mail for Business cheaper than Soverin?
Soverin is cheaper. Its Private Mailbox plan is €3.25 a month, yearly, against $6.99 per user a month for Proton Mail for Business's Mail Essentials. Check the renewal price before you pay, as some first-year prices go up.
Can I use my own domain with Proton Mail for Business or Soverin?
Yes, both do. Proton Mail for Business: 3 domains on its cheapest plan that allows one. Soverin: Yes.
Where is my email stored with Proton Mail for Business and Soverin?
Proton Mail for Business keeps it in Switzerland. Soverin keeps it in the Netherlands.
Can I use Proton Mail for Business and Soverin in Apple Mail or Outlook?
Proton Mail for Business works in other mail apps through Proton Bridge on paid plans. Soverin works in any mail app over IMAP.
Price changes and news
Neither price has changed since my first check on 22 October 2026.
The latest headlines: Proton Mail for Business news · Soverin news.
Also worth a look
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How to switch
Moving between any two providers works the same way. Pick your two providers for the steps.