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Implementation — Official DoD FAQ

Does CMMC Apply to Non-U.S. Companies?

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Official DoD Answer
Source Source: DoD CIO CMMC FAQs v5 (D-Q3)

Yes. CMMC requirements apply to all defense industrial base contractors that process, store, or transmit FCI or CUI on their information systems, regardless of the company's geographic location. Non-U.S. companies working on DoD contracts must meet the same CMMC requirements as U.S.-based companies.

In-Depth Analysis

CMMC Has No Geographic Boundaries

If your company handles FCI or CUI as part of a DoD contract, CMMC requirements apply — regardless of where your company is headquartered.

What This Means for International Companies

  • Same requirements: Non-U.S. companies must meet identical CMMC levels as domestic contractors
  • Same assessments: Third-party assessments by authorized C3PAOs apply globally
  • Additional complexity: International companies may face additional challenges with data sovereignty laws, cross-border data transfers, and local regulations

Common Challenges

International companies often face unique hurdles:

  • Reconciling CMMC requirements with local data protection laws (GDPR, etc.)
  • Ensuring cloud services meet FedRAMP equivalency requirements
  • Managing CUI across international boundaries
  • Finding C3PAOs with international assessment capabilities

Despite these challenges, non-U.S. companies are a vital part of the defense supply chain. The DoD expects them to meet the same cybersecurity standards to ensure consistent protection of sensitive information across the entire industrial base.

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