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Fastmail for Business vs BT Email

In short: Fastmail for Business wins on privacy, Fastmail for Business wins on price, and Fastmail for Business wins on features. The full comparison is below, last checked 22 October 2026.

Should you pick Fastmail for Business or BT Email?

  • Fastmail for Business is the better pick if you want your email to stay in the EU (Amsterdam) for UK customers, with a US replica and US backups; to pay less: $5 per user a month ($4.17 yearly); and an address on your own domain.
  • BT Email suits you best if you want to try it free first.
FeatureFastmail for BusinessBT Email
Overall3.02.0
Privacy2.01.5
Price3.52.0
Features5.02.5
Cheapest planStandard
$5 per user a month ($4.17 yearly)
Premium email
£7.50 a month
Free planNoBasic email, webmail only
Storage50 GBNot confirmed
Your own domain✓ Up to 100No
End-to-end encryptionNoNo
Company based in Australia United Kingdom
Your data is kept in EU (Amsterdam) for UK customers, with a US replica and US backupsNot confirmed
Founded1999Unknown
Free trial30 days freeUnknown
Funded by advertisingNoNo
Works in any mail app✓ IMAP and SMTP✓ IMAP and SMTP
Calendar and contacts✓ YesNo
AliasesYesUp to 10 extra addresses
Open-source appsNoNo
Sign up without IDNoNo
White labelNoUnknown
Reader offerOffer 10% off your first year, plus a free trial of up to 30 daysNone
Last checked22 October 202622 October 2026

Want to add another? Open this in the compare tool.

The key differences

  • Fastmail for Business's cheapest plan is Standard ($5 per user a month ($4.17 yearly)); BT Email's is Premium email (£7.50 a month).
  • For free, Fastmail for Business gives you no free plan, and BT Email Basic email, webmail only.
  • Fastmail for Business comes with 50 GB of storage and BT Email with storage not confirmed.
  • Data location: EU (Amsterdam) for UK customers, with a US replica and US backups for Fastmail for Business, Not confirmed for BT Email.
  • Fastmail for Business is based in Australia and BT Email in the United Kingdom, so different privacy laws apply.
  • Fastmail for Business lets you bring your own domain name; BT Email doesn't.
  • For extra addresses, Fastmail for Business has yes and BT Email has up to 10 extra addresses.

Common questions

Which is more private, Fastmail for Business or BT Email?

Fastmail for Business scores 2 out of 5 for privacy and BT Email 1.5. Fastmail for Business gives you your email to stay in the EU (Amsterdam) for UK customers, with a US replica and US backups.

Which is cheaper, Fastmail for Business or BT Email?

Fastmail for Business is cheaper. Its Standard plan is $5 per user a month ($4.17 yearly), against £7.50 a month for BT Email's Premium email. BT Email also has a free plan. Check the renewal price before you pay, as some first-year prices go up.

Do Fastmail for Business and BT Email work with my own domain?

Only Fastmail for Business does (Up to 100). With BT Email your address stays on its own domain.

Where do Fastmail for Business and BT Email keep my email?

Fastmail for Business keeps it in the EU (Amsterdam) for UK customers, with a US replica and US backups. BT Email keeps it in Not confirmed.

Recent price changes

Neither price has changed since my first check on 22 October 2026.

The latest headlines: Fastmail for Business news · BT Email news.

Alternatives to Fastmail for Business and BT Email

Fastmail for Business vs mailbox.org · BT Email vs mailbox.org · Fastmail for Business vs Posteo · BT Email vs Posteo · Fastmail for Business vs Proton Mail · BT Email vs Proton Mail

Moving your email

Whichever you choose, the move follows the same steps. Pick your two providers for the steps.

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