🟢 Available Now, After-Hours Support Until 6:00am

Hamilton365 is Jamie Hamilton, a Brisbane Microsoft specialist with 25+ years in enterprise IT, including a decade running Identity and messaging infrastructure for 200,000+ users across Queensland's education sector. You get that senior, enterprise-grade capability applied directly to your business.
Managed Microsoft 365 and IT support, tenant-to-tenant migrations, Identity and email security, and email investigation & eDiscovery, delivered properly, with after-hours and weekend availability when issues can't wait.
Already have an MSP? I work alongside existing providers as an after-hours and Microsoft 365 specialist.
100TB+
Exchange Online data migrated
200,000+
Users supported across Microsoft Identity environments
Verified Microsoft Credentials
Microsoft 365 and Exchange certified
Review public Credly badges covering Microsoft 365, Office 365 Identity, Exchange, and cloud platform expertise.
See Microsoft credentials
On-site support across South East Queensland, plus remote support Australia-wide.
Ongoing support and high-stakes projects for Brisbane businesses, MSPs and law firms, delivered by a senior specialist, not a help desk.
Proactive, senior-level management of your Microsoft 365 and IT environment. No lock-in, no call-centre tiers.
High-value, one-off engagements where deep Microsoft 365 experience matters. Open the full Services page for detail.
Microsoft 365 Tenant Migration & Exit
Mergers, acquisitions, demergers and platform exits
Email Investigation & eDiscovery
Legal holds, cross-mailbox search, court-admissible exports
Email Security (DMARC/SPF/DKIM)
Stop domain spoofing and reach enforcement
Exchange Assessment
Free health check and migration roadmap
Microsoft 365 Support
Licensing, Entra ID, security, compliance
Website Development
Websites for trades & small business from $990 inc GST
Changing platform? Office 365 migration from Google Workspace, or a Microsoft 365 migration in Brisbane after a merger or an acquisition.
Hamilton365 is one senior specialist, not a help desk. The person answering your call spends every working day running Microsoft 365, Identity, and email infrastructure at serious scale, and brings that standard to businesses that could never justify hiring for it.
100TB+
of email moved from on-premise Exchange to Exchange Online for one of Queensland’s largest education providers. Migrations are routine here, not an event.
99.9%+
DMARC compliance across 1.5 million emails a week. The same email security discipline gets applied to your domain, at your scale.
200,000+
users across the Identity and access environments I run every working day. Entra ID, MFA, and Conditional Access at a scale most consultants never touch.
2,000+
shared mailboxes under automated lifecycle governance: time-boxed access, enforced legal hold, and periodic access reviews. The same discipline applies whether a business runs two mailboxes or two thousand.
MCSE certified, 25+ years in enterprise IT.
See the verified Microsoft credentials →Tell me about your Microsoft 365, Identity, or managed IT requirements, or reach out for after-hours support
Location
West End, Brisbane
Queensland, Australia
Monday-Friday from 4pm to 6am | Weekends 24/7 | Emergency support available when you need it most