- September 10, 2026
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Who Needs to Be CMMC Certified?
When you sell to the DoD, one question keeps recurring in board rooms and back offices alike: who needs to be CMMC certified? The answer is that more companies are impacted than most people think. From billion-dollar primes to two-person machine shops, the Cybersecurity Maturity Model Certification (CMMC) program reaches deep into the defense supply chain.
This guide explains who must become CMMC certified, which level they need, and what to do if the requirement applies to you.
The Rule
The Simple Rule: If You Touch DoD Information, You Are in Scope
Two types of government data are handled across the Defense Industrial Base (DIB) and are subject to CMMC:
If your contracts – or the contracts of the company you supply – contain either type of data, you are almost certainly in scope. That includes manufacturers, IT and cloud providers, engineering firms, logistics companies, and professional services vendors.
DoD contractors reviewing whether CMMC applies to their contracts
The Levels
Who Should Be CMMC Certified, and at What Level?
The level you need depends on the sensitivity of the information you handle:
Most CUI contractors will end up at Level 2. If you are not sure which applies, our overview of getting CMMC ready explains each tier.
The Flow-Down
Subcontractors Are Not Exempt
One of the most common and expensive false assumptions is that only prime contractors must certify. In fact, CMMC requirements flow down through the supply chain. If a prime is awarded a contract requiring Level 2, the subcontractors handling that same CUI will need to be certified to that level as well.
That means a small subcontractor deep within the supply chain can be contractually obligated to be CMMC certified. If your organization cannot prove compliance, primes will find suppliers that can – and you may lose the business.
CMMC requirements flow down from primes to subcontractors
The Exception
What About Companies That Sell Commercial Products Only?
The exemption is narrow. Generally, a contractor supplying only Commercial Off-The-Shelf (COTS) products is not subject to CMMC, because it does not receive FCI or CUI in a way that triggers the requirement. But the exemption is narrower than many hope. As soon as you touch protected information – even in an email or a shared drawing – you are back in scope.
Your Next Move
How to Know If You Need to Be CMMC Certified
Do not guess. A quick, structured review will tell you where you stand:
Contractors who get in early will be ready when certification becomes a condition of award; those who wait can be shut out of the bidding process. Not sure where your company fits? Our team helps DoD contractors and subcontractors identify who must be CMMC certified and how to get there. Start with a scoping conversation, or read our guide to preparing for CMMC compliance. For official program details, see the DoD CMMC page.
A structured review confirms whether CMMC applies to you
Frequently Asked Questions
Who needs to be CMMC certified?
Any organization in the defense supply chain with access to Federal Contract Information or Controlled Unclassified Information – including primes, subcontractors, and many small businesses.
Do subcontractors need to be CMMC certified?
Yes. CMMC requirements cascade from the prime down to subcontractors. If a subcontractor handles the same protected information, it must meet the required level.
Is there any exemption from CMMC?
Contractors providing only Commercial Off-The-Shelf (COTS) products are generally exempt, because they do not receive FCI or CUI in a way that triggers the requirement.
What happens if I am not CMMC certified?
Once CMMC is a contract requirement, you cannot be awarded or continue that work without the required certification level, and primes will shift the work to compliant suppliers.
Article Details
- Date: September 10, 2026
Not Sure If CMMC Applies to You?
Solvere One helps DoD contractors and subcontractors confirm who needs to be CMMC certified and build a clear path to the right level.