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Coalfire CMMC Review: C3PAO Status, Buyer Fit, Cost, and What to Verify (2026)
By The Defense Compliance Report Editorial Team — an independent trade publication on CMMC 2.0 and DIB compliance. Last verified: . Next scheduled verification: September 2026, or sooner if Cyber AB, DoD, DFARS, NIST, or Coalfire status changes.
Evaluation depth — read this first. This is a public-source provider profile, not a hands-on or paid service review. We checked the Cyber AB Marketplace, Coalfire Federal’s public materials, the Federal Register, NIST publications, the DoD CMMC program pages, and public third-party references including AWS’s own announcement. We did not interview Coalfire customers, review a private quote, or assign a star rating. We have no compensation relationship with Coalfire.
You got Coalfire’s name from a prime contractor, a peer, or a “top C3PAO” list — and now you’re doing diligence before you sign a five- or six-figure engagement. Smart. This Coalfire CMMC review gives you the bottom line up front, separates what we could verify from what is merely marketing, and tells you the one thing almost every page on this topic skips: when Coalfire is exactly the right call, and when hiring a third-party assessor first is the most expensive mistake you can make.
Bottom line:Coalfire Federal is a real, currently listed CMMC Third-Party Assessment Organization — a “C3PAO,” meaning a firm the Cyber AB has authorized to conduct official CMMC Level 2 certification assessments — and a large, long-established federal compliance firm. It is a strong shortlist candidate if you are assessment-ready, especially for cloud and SaaS environments, mid-market and larger contractors, and organizations that also carry FedRAMP requirements. The deciding question is not “Is Coalfire good?” It’s “Is a C3PAO even the right kind of help for where you are right now?” Get that wrong and you’ll pay to be assessed before you’re ready to pass.
Coalfire CMMC: the one-screen verdict
Question
Bottom line
Is Coalfire a CMMC C3PAO?
Yes. Coalfire Federal is listed on the Cyber AB Marketplace as an Authorized C3PAO and describes itself as an accredited C3PAO. Re-verify the live listing before you sign.
Best fit for
Assessment-ready Level 2 organizations; complex or multi-site environments; cloud/SaaS and FedRAMP-adjacent buyers; mid-market and enterprise DIB.
Not the right first call for
Contractors still defining CUI scope, missing an SSP or evidence, needing hands-on remediation, or required only at Level 1 or a Level 2 self-assessment.
Main buyer risk
Confusing readiness/advisory help with the official assessment. A consultant who prepares you cannot also assess that work for three years — get the separation in writing.
Cost anchor
No public Coalfire price. DoD estimate: ~$104,670 (small) to ~$117,768 (other-than-small) over three years for the assessment plus affirmations — excluding remediation. Coalfire pricing requires a scoped quote.
Next step
Confirm whether your contract requires a self-assessment or a C3PAO assessment, define your scope, then compare Coalfire against the right provider category.
Not sure whether you need Coalfire, a different C3PAO, or readiness help first?
That single question decides whether you’re about to spend money in the right order. Tell us your level, scope, and timeline, and we’ll match you with source-checked CMMC provider options that fit your assessment stage — readiness, secure environment, or formal assessment.
Already assessment-ready and set on Coalfire? You can reach Coalfire Federal directly at coalfirefederal.com. We have no compensation relationship with Coalfire and earn nothing if you contact them.
Coalfire Federal is an authorized CMMC Third-Party Assessment Organization (C3PAO) listed on the Cyber AB Marketplace, the public registry where buyers verify which firms can conduct CMMC Level 2 certification assessments. Coalfire states it was authorized to begin official assessments as of January 3, 2025, and that it later completed its triennial government re-certification as an accredited C3PAO. Confirm the live listing on the day you engage.
We checked the Cyber AB Marketplace — the public registry maintained by the Cyber AB, the Department of Defense’s accreditation partner for the CMMC program. Coalfire Federal appears under the listing identifier C3PAO-4277-Coalfire-Federal, described as an Authorized CMMC C3PAO and a Registered Provider Organization (an “RPO,” meaning a firm authorized to provide CMMC advisory and readiness services).
There’s a status nuance worth getting right, because it changes what a firm can do. A C3PAO is first granted authorized status, and must achieve ISO/IEC 17020 accreditation— the international standard for inspection bodies — within 27 months of authorization (32 CFR 170.9). In a July 16, 2025 press release, Coalfire Federal states it completed DIBCAC Level 2 re-certification with a perfect score and describes itself as an accredited C3PAO. Confirm the live Marketplace status — the distinction between “Authorized” and “Accredited” matters for what the firm can do during your assessment window.
What we verified (as of June 10, 2026):
Coalfire Federal is listed on the Cyber AB Marketplace as a C3PAO and RPO (listing C3PAO-4277).
Coalfire states official CMMC assessments began January 3, 2025 (company source).
Coalfire states it completed DIBCAC Level 2 re-certification with a perfect score, July 2025 (company source).
Authorization and accreditation are assigned by the Cyber AB; the Marketplace is the public point where you verify current status (32 CFR 170.9).
What to verify yourself before you sign — it takes two minutes:
Search “Coalfire Federal” on the Cyber AB Marketplace and open the listing.
Confirm the status reads Authorized or Accredited, and note the date.
Confirm the C3PAO ID and the exact legal entity (Coalfire Federal vs. Coalfire Systems) — the entity on your statement of work must match the listing.
Confirm RPO status separately if you care about it.
Ask which assessor roles will staff your engagement — a Lead Certified CMMC Assessor (Lead CCA) plus assessment team members, with a separate quality reviewer.
A Cyber AB Marketplace listing is your starting point, not a guarantee, and it is not an endorsement by the DoD or the Cyber AB of any outcome.
For the broader category — how to weigh any assessor, not just Coalfire — see our guide to the best C3PAO for CMMC Level 2.
The Coalfire CMMC Buyer Verification Matrix
On a decision like CMMC, you should never confuse three kinds of claims: verified primary-source facts, claims the provider makes about itself, and open questions you must confirm in writing. The matrix below sorts every major Coalfire claim into one of those buckets, with the source and the exact thing to verify. This is the artifact you’d otherwise have to build yourself across a dozen tabs.
Buyer question
What we found
Claim type
Source / captured
Verify before signing
Is Coalfire Federal listed by the Cyber AB?
Listed as C3PAO-4277-Coalfire-Federal, described as Authorized C3PAO and RPO.
Marketplace status
Cyber AB Marketplace; captured June 10, 2026
Screenshot the listing on your engagement date; confirm entity, ID, and Authorized/Accredited status.
Does every Level 2 contractor need a C3PAO?
No. The contract decides; Level 2 can be a self-assessment or a C3PAO assessment.
Primary regulatory
DFARS 252.204-7021; 32 CFR 170.16–170.17
Read your solicitation/contract clause — does it require Level 2 (Self) or Level 2 (C3PAO)?
What standard does CMMC Level 2 use?
The 110 requirements in NIST SP 800-171 Revision 2, in 14 families. Not Revision 3.
Primary regulatory
32 CFR 170.14(c)(3)
Confirm the engagement is scoped to Rev. 2 unless DoD amends the rule.
What services does Coalfire say it offers?
Advisory, CUI boundary analysis, gap analysis, remediation support, mock assessments, lifecycle continuity, and official C3PAO assessment.
Provider-stated
coalfire.com / coalfirefederal.com; June 10, 2026
Ask which services are advisory, which are mock, and which are the official assessment — and which entity/team performs each.
Can Coalfire prepare you and then assess the same work?
Not within three years. A consultant who prepares you is barred from your Level 2 certification assessment.
Primary regulatory + our analysis
32 CFR 170.8(b)(17)(ii)(G)
Get written conflict-of-interest handling. See the conflict section below.
What public proof of Coalfire’s CMMC work exists?
AWS announced its Controlled Working Environment achieved CMMC Level 2, assessed by Coalfire Federal, with a perfect 110 score.
Third-party (AWS, primary)
AWS Public Sector Blog, 2025
Treat as a marquee case, not a typical outcome.
Has Coalfire confirmed its own assessor status?
Coalfire states it completed DIBCAC Level 2 re-certification with a perfect score (July 2025).
Provider-stated
Coalfire Federal press release
Confirm in the live Marketplace, not the press release.
Is Coalfire building a provider network?
Coalfire announced the CMMC Partner Assurance Network (CPAN) on May 19, 2026 — a partner ecosystem spanning readiness through certification.
Provider-stated
Coalfire press release
Ask which entity or CPAN partner performs each phase.
What does Coalfire cost?
No Coalfire-published price verified. DoD estimates ~$104,670 (small) to ~$117,768 (other-than-small) over three years for assessment + affirmations.
Primary estimate + unverified market data
Federal Register RIA; third-party estimates
Get a scoped quote; compare assumptions, not just the number.
Can Coalfire prepare you and certify you? The conflict-of-interest rule
No — not within three years. Federal rule 32 CFR 170.8(b)(17)(ii)(G) prohibits any CMMC Ecosystem member — the C3PAO and every assessor on the team — from participating in your Level 2 certification assessment if they previously served as a consultant to prepare your organization for any CMMC assessment within the prior three years. A large firm may offer both readiness and assessment services in general, but not for the same client’s preparation and certification. This is the decision that determines whether Coalfire is your right next step.
Coalfire shows up to buyers in two distinct ways, and the difference matters. There’s Coalfire(coalfire.com), the broad advisory brand that offers CMMC readiness, gap analysis, and mock assessments. And there’s Coalfire Federal(coalfirefederal.com), the entity that holds the C3PAO authorization and conducts the official Level 2 certification assessment. On its C3PAO assessment page, Coalfire Federal states that CMMC Level 2 assessments are its core focus and that it does not sell remediation services or adjacent products — language written specifically to protect the independence of the assessment. Yet Coalfire’s broader materials describe advisory, gap, and remediation support, and Coalfire Federal also markets advisory services and mock assessments.
That is not evidence of wrongdoing. It is a normal feature of a large firm with multiple service lines — and it is exactly why you need to nail down one thing in writing before you sign.
Here is the rule, in plain terms. The Federal Register CMMC rule, codified at 32 CFR 170.8(b)(17)(ii)(G), prohibits a CMMC Ecosystem member from participating in the Level 2 certification assessment “for an assessment in which they previously served as a consultant to prepare the organization for any CMMC assessment within 3 years.” The Cyber AB’s own Code of Professional Conduct makes the reach explicit: the prohibition applies to the C3PAO as an organization and to every member of the assessment team, and it covers any preparatory, advisory, or consulting work for any type of CMMC assessment. Someone who consulted on your Level 1 self-assessment two years ago can’t sit on the team that does your Level 2 certification until the three-year clock runs out.
Coalfire’s May 2026 launch of the CMMC Partner Assurance Network (CPAN)— a company-stated partner ecosystem spanning readiness, implementation, certification, and ongoing compliance — makes this even more worth pinning down. CPAN is designed to connect suppliers with partners “without locking suppliers into a single-provider relationship.” Ask who does what, in writing, so the assessment stays clean.
Coalfire’s own words, side by side
Capture these yourself before you sign — pages change.
Coalfire public statement
Where it appears
The question it raises
What to put in the SOW
“CMMC Level 2 assessments are our core focus… we do not sell remediation services.”
coalfirefederal.com C3PAO assessment page
Good independence signal for the assessment arm — but who handles your readiness?
Name the assessing entity; confirm it did no consulting on this scope.
Advisory, gap analysis, remediation support, mock assessments.
coalfire.com / coalfirefederal.com service pages
If a Coalfire team prepares you, can Coalfire Federal still assess you?
Get written confirmation that no team member crossed the 3-year consulting line.
CPAN connects “vetted partners” across readiness and certification.
Coalfire CPAN press release (May 2026)
Which partner does readiness, and which entity certifies?
Map each phase to a named entity in the contract.
The one honest drawback — and why it works in your favor. If you still need to define your CUI boundary, write your System Security Plan, or remediate real gaps, a C3PAO is the wrong first call — and that includes Coalfire. A third-party assessor cannot hold your hand to the finish line and then certify that you crossed it. The separation between the firm that prepares you and the firm that judges you is what makes a CMMC certificate mean something — to the DoD, to your prime, and to the next contract. Buy in the right order: readiness first with a separate partner, then an assessor.
Separate readiness from assessment before you sign.
If you’re not certain you’re assessment-ready, hiring a C3PAO first can stall your certification and burn budget. Tell us your CUI scope, current SPRS score, environment, and deadline, and we’ll help you compare the right provider category — readiness, secure environment, evidence workflow, or formal assessment.
Who is Coalfire best for — and who should look elsewhere?
Coalfire fits best when you are close to a formal assessment and your environment is complex: cloud and SaaS providers, mid-market and enterprise DIB contractors, organizations that also need FedRAMP, and primes that value assessor continuity across multi-year cycles. It is usually the wrong first call for a small subcontractor still scoping CUI, missing documentation, needing hands-on remediation, or required only at Level 1 or a Level 2 self-assessment.
Coalfire is a strong fit if you are:
Assessment-ready— controls implemented, SSP written, evidence assembled, ideally past a mock assessment.
A cloud service provider or SaaS pursuing CUI work, or a firm that needs FedRAMP and CMMC together. Coalfire states it is one of the most established FedRAMP assessors in the market and among a small number of firms eligible to conduct DoD Impact Level 6 (IL6) assessments (company-stated — confirm what’s relevant to your contract).
Mid-market or enterprise, or a primethat values continuity — the same assessment firm and methodology across reassessment cycles, rather than starting over every three years.
Buying an assessor specifically, with readiness handled by a separate partner.
Look elsewhere first if you are:
A small contractor still building the program — you need scoping and readiness before assessment. Start with a readiness partner; see best CMMC providers for small business.
Highly price-sensitiveor want a boutique with a more personal process — a smaller authorized C3PAO may fit better.
Hoping one firm prepares and assesses you — not possible within three years with any C3PAO. See the conflict-of-interest section above.
Required at Level 1 only (15 basic safeguards, annual self-assessment) or Level 2 self-assessment— you may not need a C3PAO at all yet. See self-assessment vs. C3PAO.
Not ready to use a C3PAO yet? Tell us your level, scope, and timeline and we’ll show you the right provider category to talk to first — no assessment commitment.
Coalfire does not publish CMMC assessment pricing; like most C3PAOs, it quotes per engagement based on scope and complexity. The DoD’s own estimate for a Level 2 certification assessment and the affirmations that follow is roughly $104,670 for a small entity and $117,768 for an other-than-small entityover three years. That figure starts at the assessment phase, so it deliberately excludes the cost of implementing and remediating controls — which for most contractors is the larger expense.
What you cananchor to is the government’s own math. In the Regulatory Impact Analysis behind the CMMC rule, the DoD modeled three-year costs for the assessment and affirmation activities — and was explicit that these estimates start at the assessment phaseand assume you’ve already implemented the underlying security requirements.
DoD three-year cost estimates — assessment and affirmations only
CMMC path
DoD three-year estimate
What it covers
Level 1 self-assessment
~$6,000
Annual self-assessment + affirmation
Level 2 self-assessment
~$37,000
Triennial self-assessment + affirmations
Level 2 C3PAO assessment
~$104,670 (small) / ~$117,768 (other-than-small)
Triennial certification assessment + affirmations
Level 3 (DIBCAC)
Level 2 cost + additional engineering
Government assessment, not a C3PAO
First:The DoD estimate bundles your internal labor with external fees. The C3PAO’s own invoice is only a slice of the $104,670–$117,768, not the whole thing. Market reporting puts actual C3PAO assessment fees roughly in the $30,000–$150,000 range depending on scope (industry-reported), and one third-party estimator pegs Coalfire-range assessments at $35,000–$200,000+ (not Coalfire-published).
Second:It excludes the biggest line item entirely: getting ready. Gap assessment and remediation — the readiness work — sits beforethe DoD’s estimate begins and commonly exceeds the assessment fee. And because of the three-year conflict-of-interest rule, that readiness spend goes to a different partner than your assessor.
Before you compare any quotes, make them quote the same thing
Cost lever
Why it changes price
Ask before signing
Number of CAGE codes
More legal entities can widen assessment scope
Which CAGE codes are included?
CUI boundary clarity
Fuzzy scope creates assessor effort and schedule risk
Will you validate scope before final pricing?
Number of sites
More sites means more evidence and interviews
What are the on-site vs. remote assumptions?
Cloud / ESP / CSP dependencies
External services may need their own evidence or FedRAMP status
What external-provider evidence is required?
Evidence maturity
Missing evidence stalls the pre-assessment
What must be complete before kickoff?
SSP quality
The SSP is central to readiness
Is the SSP reviewed for completeness only, or sufficiency?
Interview count
More personnel means more assessment hours
How many interviews are included?
POA&M closeout
Conditional status requires a follow-up assessment
Is closeout included or billed separately?
Re-evaluation window
Some unmet items allow a short evidence follow-up
How is re-evaluation priced?
Travel
On-site needs add cost
Is travel included, capped, or separate?
Change orders
Scope creep drives cost
What triggers a change order?
For the full cost picture, including what you’ll spend before an assessor ever arrives, see our CMMC Level 2 cost guide.
Before you compare C3PAO quotes, make sure they’re quoting the same scope.
A $35K quote and a $150K quote are often pricing two different assessments. Send us your level, CAGE codes, environment, and target date, and we’ll help you line up provider categories and quote assumptions so you can compare apples to apples.
What public proof exists for Coalfire’s CMMC work?
The strongest public, third-party reference we found is Amazon Web Services’ 2025 announcement that its Controlled Working Environment achieved CMMC Level 2 certification, assessed by Coalfire Federal as the C3PAO, with a perfect 110 score. It demonstrates Coalfire’s role in a high-profile assessment. It does not prove that any other organization will pass, or that outcomes are typical.
In a post on its own Public Sector Blog, AWS announced that its Controlled Working Environment (CWE) achieved the DoD’s CMMC Level 2 certification. AWS stated that Coalfire conducted the assessment as a certified C3PAO and RPO, and that Coalfire Federal’s assessment team awarded AWS a perfect 110 score. AWS also noted it continues annual assessments to maintain the status and is pursuing Level 3 for advanced DoD programs.
What this proves:
Coalfire Federal has a documented, public role assessing a marquee cloud environment to CMMC Level 2 — a real signal of capability at scale and in complex cloud architecture.
What it does not prove:
It does not predict your outcome. AWS is one of the most resourced security organizations on earth. A small or mid-tier DIB contractor with an unclear CUI boundary will have a very different experience. Use the AWS case as evidence that Coalfire can operate at the top of the market — not as a promise about your assessment.
Coalfire has also stated, in its own press releases, that it completed DIBCAC Level 2 re-certification with a perfect score (July 2025). That’s a reasonable signal of assessor maturity, but it’s a company claim about Coalfire’s own posture — confirm it in the live Marketplace if it matters to your decision.
How does a Coalfire Level 2 assessment actually work?
A Level 2 C3PAO assessment is a formal, evidence-based evaluation against the 110 requirements of NIST SP 800-171 Revision 2 — not a casual readiness review. You confirm you need the C3PAO path, scope your CUI environment, contract with an authorized or accredited C3PAO, complete pre-assessment activities, and are then assessed using examine, interview, and test methods. Results go into the DoD’s eMASS system and are reflected in SPRS as a Conditional or Final Level 2 (C3PAO) status.
Confirm you need Level 2 (C3PAO), not Level 2 (Self). Your contract clause decides (DFARS 252.204-7021).
Verify the C3PAO in the Cyber AB Marketplace and confirm the legal entity and CAGE code on the SOW.
Define the CMMC assessment scope and system boundary — which assets store, process, or transmit CUI, and which are out of scope.
Identify in-scope External Service Providers and Cloud Service Providers. Cloud services handling CUI generally must meet the DoD’s FedRAMP Moderate (or equivalent) bar. See our FedRAMP Moderate and CMMC cloud services guide.
Confirm the assessment team — Lead CCA, team members, and an independent quality reviewer — and conflict-of-interest handling.
Execute the contract, then conduct pre-assessment activities, including a readiness review.
Phase 2 assessment— the team evaluates each requirement using examine/interview/test methods against NIST SP 800-171A, the official assessment guide.
Determine status— Final Level 2 (C3PAO) if all requirements are met, or Conditional Level 2 (C3PAO) if a limited Plan of Action and Milestones (POA&M) is permitted.
Close any POA&M within 180 days. For the C3PAO path, an authorized or accredited C3PAO must verify the closeout.
Maintain status— file the required annual affirmation in SPRS and reassess every three years (32 CFR 170.17).
Who owns what — and the question to ask Coalfire at each step
Step
Who owns it
The question to ask before signing
CUI scope / boundary
You (often with a separate readiness partner)
Will scope be validated before final pricing, or assumed?
SSP and evidence
You / your readiness partner
Is our SSP reviewed for completeness only, or sufficiency?
Pre-assessment readiness review
The C3PAO
What happens — and what does it cost — if you find we’re not ready?
Formal Phase 2 assessment
The C3PAO (Lead CCA + team)
Who is the Lead CCA, and is QA independent of the team?
POA&M closeout
The C3PAO
Is closeout in this SOW, or a separate engagement?
The scoring and POA&M reality
CMMC Level 2 is scored against 110 requirements, where requirements carry weighted point values (1, 3, or 5) under the DoD scoring methodology, and each is found Met, Not Met, or eligible for a POA&M.
Final Level 2 means every applicable requirement is met.
ConditionalLevel 2 is allowed only if: your score ÷ 110 requirements is at least 0.8; only certain lower-weighted requirements (no item worth more than 1 point, with a narrow SC.L2-3.13.11 encryption exception) may be on the POA&M; and specified requirements cannot be deferred at all (32 CFR 170.21).
A Conditional status expires if the POA&M is not closed within 180 days.
One precision point:CMMC Level 2 maps to NIST SP 800-171 Revision 2, not Revision 3. NIST has finalized newer revisions, but the CMMC program is codified to Rev. 2 in 32 CFR 170.14 unless and until the DoD amends the rule through formal rulemaking. If a page or a provider tells you to assess against Rev. 3 for CMMC today, that’s wrong.
Do you even need a C3PAO yet? Self-assessment vs. C3PAO, and the Phase 2 clock
Not every Level 2 contractor needs a C3PAO. CMMC Level 2 can be met by a self-assessment or by a C3PAO certification assessment — your contract clause decides. But the window is closing. Phase 2 begins November 10, 2026, when the DoD intends to require a Level 2 (C3PAO) certification for applicable solicitations. With assessment capacity limited and demand large, the queue — not assessor availability alone — is the real constraint.
DoD CMMC phased implementation — from the published phase plan
Phase
Dates
What changes
Phase 1
Nov. 10, 2025 – Nov. 9, 2026
Applicable solicitations begin requiring Level 1 or Level 2 self-assessments
Phase 2
Begins Nov. 10, 2026
DoD intends to require Level 2 (C3PAO) certification for applicable solicitations and contracts
Phase 3
Begins Nov. 10, 2027
Level 2 (C3PAO) across more contracts; Level 3 (DIBCAC) introduced
Phase 4
Begins Nov. 10, 2028
Full implementation across applicable DoD solicitations and contracts, including option periods
Read the fine print:
Phase 2 is nota universal “everyone must be certified by November 2026” deadline. The rule ties requirements to applicable solicitations and contracts, the DoD retains discretion to delay a Level 2 (C3PAO) requirement to a later option period in some cases, and existing contracts generally aren’t modified retroactively (32 CFR 170.3). Whether you need a C3PAO assessment depends on what your specific contract requires — which is why step one is always reading your clause, not booking an assessor.
That said, the math is the reason to start now. The DoD has estimated that roughly 8,350 medium and large entities will need the Level 2 C3PAO route, and Cyber AB town-hall figures from early 2026 put the ecosystem at roughly 100 authorized C3PAOs, with only about 1% of the Defense Industrial Basecertified so far. The bottleneck most contractors hit isn’t finding an assessor like Coalfire — it’s getting ready in time to be worth assessing, then landing in the queue. Plan backward from November 10, 2026.
Coalfire vs. the field: how it compares to other C3PAOs and provider categories
Compare Coalfire as an assessment option first, not as a generic CMMC consultant. If you’re assessment-ready, the useful comparison is Coalfire against other authorized C3PAOs. If you’re not ready, the useful comparison is across provider categories — readiness, secure environment, and evidence workflow — none of which is the assessor. The right choice depends on your stage, size, and environment, not brand name.
If you’re assessment-ready: C3PAO comparison
Status for every firm below — including Coalfire — must be confirmed on the Cyber AB Marketplace on your engagement date; last checked June 10, 2026.
What to ask Coalfire (or any C3PAO) before you sign
The strongest buyer isn’t the one who asks “can you get us certified?” It’s the one who asks for current Cyber AB status, exact scope, team roles, conflict handling, evidence expectations, POA&M terms, and total SOW assumptions — in writing — before committing. The CMMC program prohibits any guarantee of a certification outcome.
Use this as your due-diligence checklist:
What is the exact legal entity on the SOW, and does it match the Cyber AB Marketplace listing?
What is your current Cyber AB status — Authorized, Accredited, or both — and your C3PAO ID?
Are you also acting as our RPO or advisor for this engagement? Has any team member consulted on our preparation within the last three years?
What written conflict-of-interest policy applies, and what’s the mitigation path if a conflict is identified?
Who is the Lead CCA, who staffs the team, and who performs independent quality review?
Which CAGE codes and sites are in scope? Is the assessment enterprise-wide or enclave-based?
Which systems are CUI assets, security protection assets, or specialized assets, and which External/Cloud Service Providers are in scope?
What must be complete before pre-assessment, and what happens if the readiness review says we’re not ready?
Does the SOW include POA&M closeout, and what happens if Conditional status expires?
Are travel, interviews, and evidence re-review included? What triggers a change order?
What deliverables do we receive, and what is the appeal process?
Do you make any guarantee or promise about the assessment result? (If yes, stop — the program prohibits this. Have counsel review before proceeding.)
Our CMMC readiness checklist gives you a full worksheet for the 14 control families to work through before or alongside an assessor selection.
How we produced this Coalfire CMMC review
This profile was built from primary CMMC sources, Cyber AB process materials, Coalfire’s public pages and press releases, and AWS’s public case announcement. We separate verified facts, provider-stated claims, and open buyer questions so you don’t mistake marketing for regulatory proof. We hold no compensation relationship with Coalfire.
What we verified — Last verified: :
Current CMMC rule framework (32 CFR Part 170), DFARS clause 252.204-7021, the CMMC Level 2 baseline (NIST SP 800-171 Rev. 2), and the Cyber AB conflict-of-interest rule and Marketplace structure.
Coalfire Federal’s public CMMC and C3PAO pages, AWS’s public announcement of its Coalfire-assessed CMMC Level 2 certification, and Coalfire’s public press releases on DIBCAC re-certification and the CPAN launch.
What we could not verify publicly — and how to verify it
What we couldn’t verify
How you verify it
Coalfire’s private pricing
Request a scoped written quote tied to your CUI boundary and CAGE codes
Current assessment queue / availability
Ask Coalfire directly for next available assessment windows
Customer references and outcomes
Request references in your size band and sector under NDA
Current SOW terms
Read the actual statement of work; confirm entity, scope, and conflict handling
Named-provider verification summary
Provider category: C3PAO (assessment) and RPO (advisory).
Cyber AB Marketplace / status check: Listed as C3PAO-4277-Coalfire-Federal; verify Authorized/Accredited live on your engagement date.
Evaluation depth: Public-source provider profile — no hands-on, paid, or customer-evidence review.
Last verified: .
What we could not verify: Private pricing, queue availability, customer outcomes, current SOW terms.
Disclosure: The Defense Compliance Report is an independent trade publication on CMMC 2.0 and DIB compliance. We may receive compensation for qualified introductions, sponsorships, or partner referrals when disclosed. Compensation does not control our regulatory analysis, provider-category recommendations, or Cyber AB status verification. We have no compensation relationship with Coalfire. The Defense Compliance Report is not affiliated with Coalfire, The Cyber AB, CAICO, DCMA DIBCAC, the DoD, or any U.S. government agency. This is not legal or compliance advice. Consult your contracting, legal, and compliance advisors before making procurement or certification decisions.
Coalfire CMMC review: frequently asked questions
Is Coalfire a CMMC C3PAO?
Yes. Coalfire Federal is listed on the Cyber AB Marketplace as an Authorized CMMC C3PAO and RPO, and Coalfire states it was authorized to begin official CMMC assessments as of January 3, 2025. Re-verify the live Marketplace listing before you sign.
Is Coalfire authorized or accredited?
Coalfire describes itself as an accredited C3PAO and states it completed DIBCAC Level 2 re-certification in July 2025. Status terms matter — confirm whether the live Marketplace listing reads Authorized or Accredited on your engagement date. C3PAOs must achieve ISO/IEC 17020 accreditation within 27 months of authorization (32 CFR 170.9).
Is Coalfire Federal the same as Coalfire?
Coalfire Federal is the entity that holds the C3PAO authorization and conducts official assessments; coalfire.com is the broader advisory brand. Make sure the legal entity on your statement of work matches the Cyber AB Marketplace listing.
Does every CMMC Level 2 contractor need Coalfire or another C3PAO?
No. CMMC Level 2 can be met by a self-assessment or a C3PAO certification assessment, depending on the contract. DFARS 252.204-7021 recognizes both “Final Level 2 (Self)” and “Final Level 2 (C3PAO)” statuses — read your clause to know which applies.
What CMMC level does Coalfire assess?
Coalfire Federal conducts CMMC Level 2 certification assessments. Level 3 is assessed by the government’s DIBCAC after a contractor first achieves Final Level 2 (C3PAO), and covers 24 enhanced requirements selected from NIST SP 800-172 (32 CFR 170.14, 170.18).
Can Coalfire help us prepare and then assess us?
Not within three years. Under 32 CFR 170.8(b)(17)(ii)(G), a CMMC Ecosystem member cannot participate in your Level 2 certification assessment if it served as a consultant to prepare your organization for any CMMC assessment within the prior three years — and that applies to the C3PAO and every assessor on the team. Use a separate partner for hands-on readiness, and get the separation in writing.
How much does a Coalfire CMMC assessment cost?
There’s no verified Coalfire-published price; pricing is quoted per engagement. The DoD’s own estimate for a Level 2 certification assessment plus affirmations is roughly $104,670 for a small entity and $117,768 for an other-than-small entity over three years — and that figure starts at the assessment phase, so it excludes the readiness and remediation work, which is usually larger.
What’s the difference between a Coalfire mock assessment and the official C3PAO assessment?
A mock assessment is unofficial readiness practice. The official C3PAO assessment is the formal evaluation that can produce a CMMC Level 2 (C3PAO) status. Confirm in writing which service you’re buying — and remember the three-year conflict-of-interest rule if the same firm does both.
What happens if we receive Conditional Level 2?
A Conditional Level 2 (C3PAO) status is allowed only if your assessment score is at least 0.8 of the 110 requirements and only certain lower-weighted requirements remain open. You then have 180 days to remediate and pass a POA&M closeout assessment by a C3PAO; if it isn’t closed in time, the conditional status expires (32 CFR 170.17, 170.21).
Is Coalfire a good fit for small defense contractors?
Sometimes. A small contractor still scoping CUI, missing an SSP, or needing remediation usually needs a readiness partner before any assessor. Coalfire becomes a stronger fit once you’re assessment-ready or your environment is genuinely complex.
Did Coalfire really assess AWS for CMMC?
Yes. AWS’s own announcement states its Controlled Working Environment achieved CMMC Level 2, assessed by Coalfire Federal as the C3PAO, with a perfect 110 score. It’s a strong public reference — but it reflects AWS’s preparation and isn’t a guarantee for any other organization.
What should I compare against Coalfire?
If you’re assessment-ready, compare Coalfire against other authorized C3PAOs. If you’re still preparing, compare across categories — readiness/RPO, CMMC-focused MSP/MSSP, CUI enclave, and GRC/evidence software — none of which is the assessor.
The bottom line
Coalfire Federal is a credible, well-established C3PAO with a documented role in one of the highest-profile CMMC Level 2 assessments to date. For an assessment-ready organization — especially a complex, cloud-heavy, or FedRAMP-adjacent one — it belongs on your shortlist. For a contractor still getting ready, the smartest, least expensive move is to fix readiness first with a separate partner, then bring in an assessor. The order is the whole game.
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Disclosure: We may receive compensation for qualified introductions, sponsorships, or partner referrals when disclosed. We have no compensation relationship with Coalfire.
The Defense Compliance Report is an independent trade publication on CMMC 2.0 and DIB compliance. This article is informational and isn’t legal, contractual, or compliance advice. Last verified . Not affiliated with Coalfire, The Cyber AB, CAICO, DCMA DIBCAC, the DoD, or any U.S. government agency. Editorial standards · Methodology · Corrections policy.
Primary sources
CMMC Program Final Rule, 32 CFR Part 170 — Federal Register (Oct 15, 2024; effective Dec 16, 2024); eCFR Title 32, Part 170, §§ 170.3, 170.8(b)(17), 170.9, 170.14, 170.16, 170.17, 170.18, 170.21, 170.24.
DFARS final rule (DFARS Case 2019-D041) and clause 252.204-7021 — Federal Register (effective Nov 10, 2025); Acquisition.gov.
DoD CIO CMMC program pages (phased rollout) — dodcio.defense.gov/cmmc/about/.
DoD Regulatory Impact Analysis for 32 CFR Part 170 (assessment cost estimates).
Cyber AB Marketplace (Coalfire Federal listing C3PAO-4277) and Code of Professional Conduct.
AWS Public Sector Blog — AWS CMMC Level 2 certification for the Controlled Working Environment (Coalfire Federal, C3PAO).
Coalfire / Coalfire Federal — public CMMC pages and press releases (DIBCAC re-certification, July 2025; CPAN launch, May 19, 2026). Company-stated claims attributed as such.