Google WorkspaceProcesses over 300 billion emails daily with machine learning-powered security95.0NEW£4.68/user/month
Microsoft 365Built on Azure infrastructure with 99.9% service level agreement backed by Microsoft support92.7NEW£5.00/user/month
Zoho MailOffers unlimited email storage on paid plans, making it exceptional value for archival-heavy workloads90.3NEW£1.25/user/month
ProtonMailAll emails encrypted end-to-end by default, with no backdoors or access by third parties88.0NEW£3.99/month
FastmailIndependently operated with no tracking, ads, or data selling practices since 199785.7NEW£2.50/month
Outlook.com (with custom domain)Over 400 million active users, making it one of the world's largest email platforms83.3NEWFree (basic), £40/year (custom domain)
IceWarpOffers both cloud and on-premises deployment with optional unified communications including phone systems81.0NEW£2.00/user/month
OVHcloud EmailData hosted entirely in European data centres with GDPR-compliant Data Processing Agreements included78.7NEW£0.80/month
Mailbox.orgBased in Germany with server location exclusively in Germany, subject to strict data protection laws76.3NEW£1.00/month
Sendio by ProofpointPart of Proofpoint's security suite, protecting organisations against advanced email threats and data loss74.0NEWCustom
Google Workspace delivers cloud-based email with Gmail at its core, integrating deeply with Google Drive, Docs, Sheets, and Meet. Known for 99.9% uptime, advanced spam filtering, and real-time collaboration tools.
Microsoft 365 (formerly Office 365) offers Outlook email with deep integration into Windows, Active Directory, and Microsoft Teams. Trusted by over 400 million users globally for enterprise reliability and compliance.
Zoho Mail provides secure, ad-free email hosted on Zoho servers with integration into the wider Zoho ecosystem of CRM, projects, and HR tools. Designed for cost-conscious businesses without compromising features.
ProtonMail provides end-to-end encrypted email with zero-knowledge architecture, meaning even ProtonMail staff cannot access your emails. Headquartered in Switzerland and subject to strict privacy laws.
Fastmail offers fast, reliable email with a strong focus on privacy and user control. Known for excellent customer support and features like masked email addresses and calendar integration.
Outlook.com provides free web-based email that supports custom domains through Office 365 integration. Suitable for small teams not requiring full Microsoft 365 suite investment.
IceWarp provides on-premises and cloud email hosting with unified communications features including VoIP integration. Popular in European markets with strong compliance certifications.
OVHcloud provides email hosting fully based in Europe with GDPR compliance and data processing agreements. Known for competitive pricing and reliable infrastructure across European data centres.
Mailbox.org is a German-based email provider emphasising privacy and data protection. Includes online storage, document editing, and calendar services in a unified platform.
Sendio by Proofpoint delivers secure email gateway and archiving solutions for businesses needing advanced threat protection. Supplements existing email infrastructure with security layers.
Free email services monetise through advertising and data analysis, do not include Service Level Agreements, and lack business administration controls. Paid business email hosting offers guaranteed uptime, custom domains, administrative controls, advanced security, compliance certifications, and professional support tailored to organisational needs.
Email hosting is ideal for small businesses seeking professional communication infrastructure. Providers like Zoho Mail and Fastmail offer affordable plans (from £1-3 monthly per user) with excellent features. Even solopreneurs benefit from custom domain email, calendar management, and spam protection included in paid plans.
Essential security features include two-factor authentication, encryption in transit (TLS), anti-phishing detection, anti-spam filtering, and data backup. For regulated industries, prioritise GDPR compliance, Data Processing Agreements, and security certifications. End-to-end encryption matters for sensitive communications, though standard hosted solutions provide adequate security for most businesses through server-side encryption.
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