Microsoft Defender for Business vs Microsoft Defender Suite vs E5
Microsoft Defender Suite costs £9.20 and Microsoft 365 E5 £51.60 per user and month (Microsoft list price for the UK in pounds sterling, annual commitment, excl. VAT, as of 16 October 2026). Microsoft 365 E5 adds 107 capabilities and drops none in Microsoft’s plan comparisons. Defender Suite is an add-on: with Office 365 E3 and Enterprise Mobility + Security E3, the cheapest base it can be added to, it costs £41.80 per user and month. Microsoft Defender for Business costs £2.30 per user and month; Microsoft’s plan comparisons have no column for it, but list it as included in Microsoft 365 Business Premium.
Endpoint and email security for small and large organisations: what each option requires first, and what it costs.
Microsoft’s list price per user and month
- Defender for Business £2.30
- Defender Suite (BP) £7.70
- Defender Suite £9.20
- Microsoft 365 E5 £51.60
From Defender Suite to Microsoft 365 E5: Adds 107 capabilities, loses nothing · +£42.40 per user and month
Counts rows in Microsoft’s plan comparison; one row can hold several features.
Annual commitment, excl. VAT, Microsoft’s list price for the UK (in pounds sterling) as of 16 October 2026. Add or remove plans in the table below. All plans side by side
133 capabilities differ of 204 · · drag a plan to move it, or an add-on onto a plan to merge them
Prices per user and month, annual commitment, excl. VAT, as of 16 October 2026.
ClearSource restates Microsoft’s published facts in its own layout; for the full details open Microsoft’s documents. Prices are Microsoft’s UK list prices in pounds. Microsoft 365 User Subscription Suites for Small and Medium-sized Businesses · Microsoft 365, Office 365, Enterprise Mobility + Security, and Windows 11 Subscriptions
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