M356 Licensing
Microsoft 365 GCC High Licensing
GCC High is the leading platform for the Defense Industrial Base
Microsoft Licensing
GCC High for DoW Contractors
Microsoft’s official recommendation is for organizations planning or required to meet CMMC 2.0 Level 2 should deploy to Microsoft 365 GCC High.
Microsoft 365 GCC High is the only Microsoft offering – besides the DoD dedicated Microsoft 365 – that insures all data resides in U.S. data centers and is supported by background-checked U.S. persons.
Benefits of Purchasing GCC High Through Summit 7:
- Access to Microsoft 365 GCC High to enable compliance with CMMC 2.0
- Microsoft’s trusted thought leader in CMMC/DFARS/NIST compliance for government contractors
- Industry-leading expertise in the design and implementation of GCC High to meet CMMC 2.0, DFARS 7012, and NIST 800-171
- Years of experience with Migrating to Office 365 from Existing Office 365 tenants, On Premises environments or other cloud providers
- Comprehensive Managed Services and Support options once the implementation and migration are complete
- First in the Microsoft licensing program and originator of the leading guide for Microsoft 365 GCC licensing

- Concerned about the cost? This video breaks down why Microsoft 365 GCC High is more expensive.
- Need a Guide to GCC vs GCC High?
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Microsoft Licensing
Compare Features
Microsoft
Commercial
Recommended for contractors not handling Controlled Unclassified Information (CUI)
Microsoft
GCC
Recommended for contractors handling CUI, but never ITAR and Export Controlled Data
Microsoft
GCC High
Recommended for contractors who handle CUI, ITAR, and Export Controlled Data
Why Summit 7
Why the Defense Industrial Base (DIB) Prefers Summit 7
2x Cybersecurity Maturity Model Certification (CMMC) Level 2 Certified
Summit 7 holds dual CMMC Level 2 certifications, with one demonstrating company-wide compliance and the second validating Guardian and Vigilance Managed Services offerings. Support from a CMMC-certified Managed Service Provider (MSP) gives you an advantage in pursuing your own certification.
100% Pass Rate in Supported Client CMMC Assessments
CMMC compliance is a competitive edge that elevates you in the eyes of the government and prime contractors. 100% of Summit 7-supported CMMC assessments have resulted in a passing score.
Microsoft Azure Expert MSP
Azure Expert MSPs have passed rigorous assessment procedures and demonstrated the highest level of expertise in Microsoft cloud services and Microsoft Azure capabilities. Summit 7 was among the first in the world to earn the Microsoft Azure Expert MSP designation and remains one of the only Azure U.S. Government Cloud-focused organizations to achieve it.

Don’t just take our word for it
Trusted by 1,400+ Companies in the Defense Industrial Base
We serve all company sizes – from micro-businesses to Small and Medium-sized Businesses (SMBs) to large enterprises.
100% pass rate on security controls for Defense Federal Acquisition Regulation Supplement (DFARS)/National Institute of Standards and Technology (NIST) SP 800-171.
8 of the top prime contractors in the Defense Industrial Base (DIB) trust their IT, security, and compliance to Summit 7.
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