Only 43 providers in the nation. Only one in Connecticut.

Secure Microsoft GCC High Licensing with Charles IT

Charles IT is your exclusive gateway to Microsoft GCC High—empowering government contractors with elite-level compliance, local expertise, and government-grade security.

Beyond Compliance: GCC High Is a Strategic Advantage

If your organization handles Controlled Unclassified Information (CUI), GCC High isn’t just recommended—it may be required. Charles IT helps you stay compliant while gaining a secure, competitive edge.

Elite-Level Access

You’re working with one of just 43 Microsoft AOS-G resellers nationwide—offering verified, secure licensing for agencies and defense contractors.

Local Expertise, National Trust

We’re Connecticut’s only AOS-G approved partner, providing the personal service of a local MSP with the capabilities of a nationally vetted compliance leader.

End-to-End Compliance Support

From licensing to migration, we help you align with complex federal frameworks like FedRAMP High, CMMC, ITAR, and DFARS—without getting lost in the jargon.

Not sure if GCC High is right for you?

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Happy Clients

98 %

Client Satisfaction Score ( cSAT)

10 Min

Service Acknowledgement Time

19 Years

In Business 

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What is GCC High? And Why It Matters More Than Ever for Government Contractors

GCC High might sound like the name of a TV show about high school students, but for government contractors, it’s something far more serious. GCC High, or Microsoft Government Community Cloud High, is a specialized Microsoft 365 environment designed specifically to meet the strict cybersecurity and compliance requirements of U.S. federal agencies, defense contractors, and others handling Controlled Unclassified Information (CUI).