Secure systems.
Practical results.
Microsoft licensing, cybersecurity, infrastructure, managed support, and purpose-built software for government agencies and growing organizations.
Technology built around operational needs.
From licensing and day-to-day support to attack-path analysis and election-night reporting, McCartney Systems connects strategy to systems that actually work.
Microsoft Licensing
Commercial Microsoft 365 and Government GCC licensing, migration, configuration, and lifecycle support.
Learn more →Managed IT Services
Responsive administration, monitoring, documentation, planning, and co-managed support.
Learn more →Cybersecurity
Identity security, vulnerability management, incident readiness, and risk reduction.
Learn more →Government Technology
Public-sector consulting, cloud modernization, compliance support, and custom systems.
Learn more →Infrastructure & Cloud
Networks, servers, virtualization, backup, recovery, cloud, and resilient architecture.
Learn more →Custom Applications
Secure portals, workflow automation, reporting platforms, and integrations.
Learn more →Software for visibility, control, and public accountability.
Purpose-built platforms developed from real operational requirements rather than imagined conference-room problems.
Sariel
Cybersecurity analytics and attack-path validation combining identity, network reachability, assets, vulnerabilities, and risk prioritization.
Explore SarielAtlasVM
Enterprise virtualization platform for managing KVM-based virtual infrastructure, virtual machines, storage, networking, and future clustered deployments.
Explore AtlasVMAtlasEWF
Endpoint DNS and web filtering platform providing pre-connect outbound policy enforcement, centralized management, forensic-quality logging, and offline operation.
Explore AtlasEWFAtlasDMARC
DMARC, SPF, and DKIM management platform providing email authentication, reporting, domain protection, and Microsoft 365 integration.
Explore AtlasDMARCFieldWarden
Enterprise field service management platform for scheduling, dispatching, work orders, invoicing, customer management, and business operations.
Explore FieldWardenMCS Calendar Relay
Controlled one-way calendar synchronization from Microsoft 365 Group, user, and shared-mailbox calendars to Microsoft 365 and Google Calendar destinations.
Explore MCS Calendar RelayLicensing without the maze.
Commercial Microsoft 365 and Government GCC plans, eligibility guidance, migration, configuration, security, and ongoing administration.
View Government GCCMicrosoft 365 Business
Business Basic, Standard, Premium, Copilot, Teams Phone, Defender, Intune, and Azure.
View commercial plans →Microsoft 365 Government
GCC licensing for validated government entities, with implementation and support.
Compare government plans →Technology should support the mission.
Talk with McCartney Systems about licensing, security, infrastructure, or software.