M365 to Google Workspace Migration

I need all 20–25 of my Microsoft 365 mailboxes moved to Google Workspace with zero data loss and minimal disruption to my team. Each account must arrive intact—emails, folder structure, calendars, and contacts—while retaining the exact same email addresses on the new platform... (Budget: ₹600 - ₹1500 INR, Jobs: Change Management, Cloud Computing, DNS, Documentation, IT Project Management, Microsoft 365, Network Security, OAuth, Security, Technical Support)