Microsoft 365 vs Google Workspace: Which Is More Secure for SMEs?

Yes. Microsoft 365 Business Premium includes Defender for Business, a full endpoint detection and response (EDR) solution that protects Windows, macOS, iOS, and Android devices. Google Workspace has no equivalent built-in endpoint security and requires third-party tools to match this capability. Microsoft 365 has over 400 million paid commercial seats (Microsoft FY2025), making Defender for Business one of the most widely deployed EDR platforms globally.

Microsoft Entra ID Conditional Access (included in Business Premium) evaluates sign-in risk, device compliance, location, and application sensitivity before granting access. Google Workspace offers context-aware access in its Enterprise tier, but the Business tiers have more limited controls. For UK SMEs needing granular access policies, M365 Business Premium provides the more comprehensive toolset without requiring an enterprise-level subscription.

Google Workspace provides strong baseline security including phishing protection, data loss prevention in higher tiers, and robust infrastructure. However, it lacks built-in device management and EDR at the SME tier. With 85% of businesses that experienced a breach identifying phishing as the attack vector (DSIT 2025), both platforms require proper configuration — neither is fully secure out of the box.

Yes, though it adds complexity. Some businesses use Google Workspace for email and collaboration while relying on Microsoft's security stack. However, managing two platforms increases administrative overhead and can create gaps in security policy enforcement. For most SMEs, consolidating onto a single platform — typically M365 Business Premium — simplifies management and ensures consistent security controls across all users and devices.