Cloud Migration Checklist for Small Businesses

Before You Start: Pre-Migration Assessment

Before you begin moving anything, you need a clear picture of what you have, what you need, and where the gaps are. This pre-migration assessment prevents costly surprises and ensures you choose the right cloud solution for your business.

1. 1Audit your current IT environment: Document every application, server, and data store your business relies on. Include shadow IT tools that staff may be using without formal approval, such as personal Dropbox or Google Drive accounts.
2. 2Categorise your data: Identify which data is business-critical, which is sensitive (client records, financial data), and which is archival. This determines your migration priority order and security requirements.
3. 3Assess your internet connection: Cloud services depend on reliable internet. Test your current download and upload speeds, and check whether your ISP offers a business-grade plan with an SLA for uptime and speed guarantees.
4. 4Identify compliance requirements: If your business handles healthcare records, financial data, or personal information, you may need to meet Australian Privacy Act obligations or industry-specific regulations when storing data in the cloud.
5. 5Set your budget and timeline: Determine how much you can invest in the migration itself and what your ongoing monthly cloud costs will look like. Most small businesses can complete a full migration within 4 to 8 weeks.

Phase 1: Planning Your Cloud Migration

With your assessment complete, you can now plan the migration itself. The key decisions at this stage are which cloud provider to use and which workloads to migrate first.

Choosing Your Cloud Provider

For small businesses in Australia, the most practical cloud platforms in 2026 are:

• Microsoft 365 Business Premium: The most popular choice for small businesses. Includes email (Exchange Online), file storage (OneDrive and SharePoint), collaboration (Teams), and built-in security features. Ideal if your team already uses Outlook and Office apps.
• Google Workspace: A strong alternative if your team prefers browser-based tools. Includes Gmail, Google Drive, and Google Meet. Works well for businesses that prioritise simplicity and real-time collaboration.
• AWS or Azure (IaaS): Only necessary if you run custom applications or databases that cannot move to a SaaS platform. For most small businesses, Microsoft 365 or Google Workspace covers everything without the complexity of infrastructure-as-a-service.

Prioritising Your Migration Order

1. 1Email first: Email is typically the easiest and highest-impact migration. Moving from an on-premises Exchange server or POP/IMAP hosting to Exchange Online or Gmail gives immediate benefits in reliability, security, and mobile access.
2. 2Files and documents second: Migrate shared drives and file servers to OneDrive, SharePoint, or Google Drive. This eliminates the need for local file server hardware and enables remote access for your team.
3. 3Line-of-business applications third: Accounting software (Xero, MYOB), CRM systems, and industry-specific tools. Many of these are already cloud-based or offer cloud versions.
4. 4Legacy systems last: Any custom applications or databases that require infrastructure hosting should be migrated last, as they often need the most planning and testing.

Phase 2: Preparing Your Environment

Before you begin the actual data transfer, you need to prepare both your cloud environment and your team. Skipping this phase leads to confusion, access issues, and potential data loss.

1. 1Set up your cloud tenant: Create your Microsoft 365 or Google Workspace account. Verify your business domain (e.g., yourbusiness.com.au) and configure DNS records as required by your provider.
2. 2Create user accounts: Set up accounts for every team member. Use their existing email addresses and assign the appropriate licences based on their role.
3. 3Enable security from day one: Turn on multi-factor authentication (MFA) for every account before migrating any data. Configure conditional access policies if your plan supports them. This is non-negotiable in 2026.
4. 4Plan your folder structure: Design a logical folder and permissions structure in SharePoint or Google Drive before uploading files. Migrating a messy file server to the cloud just creates a messy cloud drive.
5. 5Brief your team: Communicate the migration plan, timeline, and what to expect. Schedule a short training session on the new tools so your team can hit the ground running from day one.

Phase 3: Migrating Your Data and Applications

This is where the actual migration happens. Follow these steps in order, and always maintain a backup of your original data until the migration is fully verified.

Email Migration

1. 1Choose your migration method: For small businesses, Microsoft provides the IMAP migration tool or a cutover migration for Exchange servers. Google offers its data migration service. Both can run overnight with minimal disruption.
2. 2Migrate email history: Transfer existing emails, contacts, and calendar entries. Decide how far back you need to go -- most businesses migrate the last 12 months of email and archive older messages.
3. 3Update DNS records: Once mailboxes are migrated, update your MX records to point to your new cloud email provider. This switches mail flow to the new system.
4. 4Verify delivery: Send test emails to and from every account. Check that email signatures, distribution lists, and shared mailboxes are working correctly.

File and Document Migration

1. 1Use a migration tool: Tools like Microsoft's SharePoint Migration Tool, Mover.io, or Google's Transfer tool can move files in bulk while preserving folder structures and permissions.
2. 2Clean up first: Delete duplicate files, outdated documents, and unnecessary backups before migrating. There is no point paying for cloud storage to host files nobody will ever open again.
3. 3Set permissions: Configure sharing and access permissions for each folder and team site. Avoid giving everyone access to everything -- apply the principle of least privilege.

Line-of-Business Applications

For each business application, determine whether it is already cloud-based (Xero, MYOB Online, Salesforce), has a cloud version available, or needs to be hosted on cloud infrastructure. Our cloud and Microsoft 365 team can help you assess the best path for each application.

Phase 4: Post-Migration Validation and Optimisation

The migration is not complete until you have verified that everything works and optimised your new environment for performance and cost.

1. 1Test every critical workflow: Have each team member run through their daily tasks. Can they send and receive email? Access shared files? Use their line-of-business applications? Log issues immediately and resolve them before declaring the migration complete.
2. 2Verify backups are running: Confirm that your cloud data is being backed up. Microsoft 365 and Google Workspace do not fully back up your data by default -- you need a third-party backup solution like Veeam, Barracuda, or Acronis.
3. 3Review security settings: Double-check that MFA is enabled for all accounts, conditional access policies are working, and audit logging is turned on. Review your Microsoft Secure Score or Google Workspace security dashboard.
4. 4Decommission old hardware: Once you have confirmed the migration is successful and maintained your original backup for at least 30 days, you can decommission old servers and cancel legacy hosting services.
5. 5Schedule a 30-day review: Revisit your cloud environment after one month. Check usage patterns, identify any unused licences, and adjust your plan to optimise costs.

Cloud Migration Cost Guide for Small Businesses

Understanding the true cost of cloud migration helps you budget accurately and avoid surprises. Here is what small businesses in Australia typically spend in 2026:

• Microsoft 365 Business Premium: Approximately $33 AUD per user per month. For a 10-person team, that is around $330 per month for email, file storage, Teams, and advanced security.
• Google Workspace Business Standard: Approximately $22 AUD per user per month. Includes Gmail, Drive with 2TB storage, and Google Meet.
• Migration services: Professional migration assistance typically costs $2,000 to $8,000 for a small business, depending on the complexity of your environment and how much data you are moving.
• Third-party backup: Cloud backup solutions typically cost $3 to $8 per user per month. This is essential and often overlooked in budget calculations.
• Internet upgrade: If you need to upgrade to a business-grade internet connection, expect $100 to $300 per month depending on your location and provider.

Compare these costs against what you currently spend on server hardware maintenance, on-premises software licences, electricity, and the risk of downtime from hardware failures. Most small businesses find that cloud migration pays for itself within 12 to 18 months. Our IT strategy team can help you build a detailed cost comparison for your specific situation.