7 EU-headquartered email companies on EU Alts — including Domaintechnik, Mailo, and Posteo. Every listed provider is founded or based in Europe; each listing page records its ownership and hosting so you can judge US CLOUD Act exposure.
- Domaintechnik✓ Verified by EU Alts
Austrian domain registrar and web host with its own data centre in Vienna.
Mailo✓ Verified by EU AltsFrench email service with calendar and contacts — a privacy-respecting alternative to Gmail.
Posteo✓ Verified by EU AltsAd-free, green-powered encrypted email from Germany — an ethical alternative to Gmail.
Mailbox.org✓ Verified by EU AltsSecure German email, calendar and cloud office — a privacy-focused alternative to Gmail.
- Infomaniak✓ Verified by EU Alts
Swiss-hosted cloud, email and web services with a strong sustainability focus — an alternative to Google Workspace.
Tuta✓ Verified by EU AltsEnd-to-end encrypted email and calendar — a German privacy-first alternative to Gmail.
Proton Mail✓ Verified by EU AltsEnd-to-end encrypted email and productivity suite — a privacy-first alternative to Gmail.
Frequently asked questions
What are the best EU-built Email tools?
EU Alts lists 7 EU-headquartered Email companies — including Domaintechnik, Mailo, and Posteo. All are founded or based in Europe (from Germany, Switzerland, and Austria), giving you European alternatives to US Email software; each listing records its own ownership and hosting.
Which Email startups should I shortlist first?
Three picks worth shortlisting first: Domaintechnik (Austria) — Austrian domain registrar and web host with its own data centre in Vienna.; Mailo (France) — French email service with calendar and contacts — a privacy-respecting alternative to Gmail.; Posteo (Germany) — Ad-free, green-powered encrypted email from Germany — an ethical alternative to Gmail..
Are Email tools from EU companies GDPR-compliant?
EU-headquartered Email providers are subject to the GDPR by default. The Email startups on this page are based from Germany, Switzerland, and Austria; whether a given company is outside the US CLOUD Act depends on its ownership and hosting, which EU Alts checks per listing.
How do I switch to a GDPR-compliant Email alternative?
Start by identifying which EU-based Email tools match your feature requirements from the list above. Most EU providers offer free trials and data migration guides to help you move from US-based incumbents. For a Email switch specifically, check what data export formats your current tool supports and whether the EU alternative offers an importer.