Combines Business Premium’s full productivity suite, advanced security (Defender for Business, Defender for Office 365), device management, and Microsoft Teams with Microsoft 365 Copilot AI assistance built in. Adds AI-powered drafting, summarising, and agent-building (via Copilot Studio for Teams) on top of Business Premium’s existing threat protection and data loss prevention — for organisations up to 300 users wanting AI and premium security in one bundle.