Tenant-to-tenant migrations are among the most complex Microsoft 365 projects a business can undertake. They arise from acquisitions, mergers, rebranding, divestitures, or a need to consolidate multiple Microsoft 365 environments — and they involve moving not just email, but SharePoint, Teams, OneDrive, user accounts, and all the configurations that tie them together.
Without proper planning, tenant-to-tenant migrations result in broken email flow, lost SharePoint permissions, missing Teams history, and weeks of disruption. We manage the full process for Canadian businesses — planning, coordination, execution, and validation — so the transition lands cleanly on the other side.
Who Is This Service For?
- Businesses that have been acquired and need to move into a new parent company's Microsoft 365 tenant
- Organizations going through a merger that requires consolidating two separate Microsoft 365 environments
- Companies rebranding and needing to move to a new domain and tenant
- Businesses splitting off from a parent organization and setting up their own tenant
- IT teams that need expert support managing a migration they don't have the bandwidth to run themselves
What's Included
Migration Planning & Assessment
- Source and destination tenant assessment
- Scope definition — what's being moved and what stays
- Migration timeline and cutover planning
- Risk identification and mitigation planning
User & Identity Migration
- User account provisioning in the destination tenant
- License assignment and MFA setup
- Admin role review and transfer
Exchange & Email Migration
- Mailbox migration with full email history
- Calendar and contact migration
- Shared mailboxes, distribution lists, and resource calendars
- Domain transfer and MX record cutover coordination
SharePoint & OneDrive Migration
- SharePoint site collection and document library migration
- OneDrive for Business content migration
- Permission mapping and access control review
Microsoft Teams Migration
- Teams and channel recreation in the destination tenant
- Channel conversation history migration where supported
- Team membership and ownership transfer
Post-Migration Validation
- Mail flow testing and verification
- User access confirmation across all workloads
- Source tenant decommission planning
Recommended Add-Ons
After migration, keep your new tenant secure and properly maintained:
Why Choose Artemis & Apollo?
- Microsoft 365 tenant-to-tenant migration for Canadian businesses
- Covers email, SharePoint, OneDrive, Teams, and user identities
- Structured planning process to minimize disruption
- Fixed project pricing — no surprises
Ready to Plan Your Tenant-to-Tenant Migration?
These migrations reward careful planning. Let's get yours mapped out properly before a single mailbox moves.
No obligation. We'll assess both tenants and walk you through what a clean migration looks like.