Business Plus edition includes everything in Business Standard, plus enhanced security, compliance, and meeting capabilities. Business Plus features are: Gmail, Calendar, Docs, Meet, Chat + Advanced suite with 5 TB pooled storage per user.
Business Plus includes:
More cloud storage: 5 TB of pooled storage for each user in your organization
Advanced meetings: up to 500 meeting participants, attendance tracking
Advanced administrator controls: Google Vault, Advanced endpoint management
Information governance with Vault: use Vault to retain, search, and export your organization's data for eDiscovery and compliance needs
Advanced endpoint management: have more control over your organization's data. You can require stronger passwords, wipe devices remotely, manage iOS apps, use Android work profiles, and more.