Managed IT & Cyber Security for Businesses

Managed IT & Cyber Services

We provide end-to-end Managed IT Services and Managed Security Services that keep your business secure, reliable and productive. From day-to-day IT support and Microsoft 365 management through to cyber security, compliance and strategic advice, we become your trusted technology partner so you don’t need to coordinate multiple providers.

Calexi is your complete IT & Cyber Security Partner

Managed IT Services (MSP), Managed Security Services (MSSP), Microsoft 365, cloud, infrastructure, networking, cyber security, Essential Eight, DISP, compliance, threat detection, vulnerability management, secure-by-design architecture, backup and disaster recovery, identity and access management, monitoring, incident response and virtual CIO services.

DISP & Essential Eight (ML2) as a Service

Outcome-led Essential Eight Maturity Level 2 for Defence SMEs.
Delivered as a managed service — not a one-off assessment.

We help Defence industry and regulated SMEs achieve and maintain Essential Eight ML2 without building enterprise security capability in-house. Our approach is transparent, Defence-aligned, audit-ready, and designed to scale for small teams.

Operational Technology & Critical Infrastructure Security

We help national infrastructure providers achieve SOCI Act compliance and strengthen their OT environments without disruption. Our team applies network segmentation, security uplift, and risk management across leading frameworks (Essential Eight, ISM, ISO, and NIST) to deliver actionable risk reduction balanced with operational needs.

GRC & Essential Eight Uplift

In 45 days we map your organisation’s real posture, then drive uplift across Essential Eight, PSPF, and ISM compliance. Our evidence-based approach combines cyber risk management, governance and audit-ready consulting, delivering measurable results and Authority to Operate (ATO).