Fastmail for Business vs tsoHost
In short: tsoHost wins on privacy, they tie on price, and Fastmail for Business wins on features. The full comparison is below, last checked 25 October 2026.
Which should you choose?
- Fastmail for Business suits you best if you want the lower price ($5 per user a month ($4.17 yearly)); 50 GB of storage; and calendar and contacts in the same account.
| Feature | Fastmail for Business | tsoHost |
|---|---|---|
| Overall | 3.0 | 3.0 |
| Privacy | 2.0 | 2.5 |
| Price | 3.5 | 3.5 |
| Features | 5.0 | 3.5 |
| Cheapest plan | Standard $5 per user a month ($4.17 yearly) | 123 Reg email £1.99 a mailbox a month for the first year, then £47.88 a year (123 Reg) |
| Free plan | No | No |
| Storage | 50 GB | 10 GB |
| Your own domain | ✓ Up to 100 | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | Australia | United Kingdom |
| Your data is kept in | EU (Amsterdam) for UK customers, with a US replica and US backups | United Kingdom |
| Founded | 1999 | Unknown |
| Free trial | 30 days free | Unknown |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | No |
| Aliases | Yes | Yes |
| Open-source apps | No | No |
| Sign up without ID | No | No |
| White label | No | Unknown |
| Reader offer | Offer 10% off your first year, plus a free trial of up to 30 days | None |
| Last checked | 22 October 2026 | 25 October 2026 |
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The key differences
- Cheapest plans: Fastmail for Business Standard, $5 per user a month ($4.17 yearly). tsoHost 123 Reg email, £1.99 a mailbox a month for the first year, then £47.88 a year (123 Reg).
- Fastmail for Business comes with 50 GB of storage and tsoHost with 10 GB of storage.
- Data location: EU (Amsterdam) for UK customers, with a US replica and US backups for Fastmail for Business, United Kingdom for tsoHost.
- Fastmail for Business is based in Australia and tsoHost in the United Kingdom, so different privacy laws apply.
Questions people ask
Which is more private, Fastmail for Business or tsoHost?
tsoHost scores 2.5 out of 5 for privacy and Fastmail for Business 2.
Which is cheaper, Fastmail for Business or tsoHost?
Fastmail for Business is cheaper. Its Standard plan is $5 per user a month ($4.17 yearly), against £1.99 a mailbox a month for the first year, then £47.88 a year (123 Reg) for tsoHost's 123 Reg email. Check the renewal price before you pay, as some first-year prices go up.
Do Fastmail for Business and tsoHost work with my own domain?
Yes, both do. Fastmail for Business: Up to 100. tsoHost: Yes.
Where do Fastmail for Business and tsoHost keep my email?
Fastmail for Business keeps it in the EU (Amsterdam) for UK customers, with a US replica and US backups. tsoHost keeps it in the United Kingdom.
Recent price changes
No price changes for either since 22 October 2026. I check regularly and add any change here with its date.
The latest headlines: Fastmail for Business news · tsoHost news.
Not sold on either? Try these
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Moving your email
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.