Coalfire vs Schellman
How two SOC 2 audit firms compare on price, timeline, framework coverage, and fit — and how to decide between them.
| Coalfire | Schellman | |
|---|---|---|
| Typical price | $30K–$120K | $30K–$150K |
| Type 2 timeline | 10–22 weeks | 10–24 weeks |
| Firm tier | National firm | National firm |
| Frameworks | SOC 1, SOC 2 Type 1, SOC 2 Type 2, ISO 27001, PCI DSS | SOC 1, SOC 2 Type 1, SOC 2 Type 2, ISO 27001, HIPAA, PCI DSS, GDPR |
| Industry focus | SaaS, Fintech, Healthcare, GovTech | SaaS, Fintech, Healthcare, AI / ML, GovTech |
| Regions | United States, European Union, Global | United States, United Kingdom, European Union, Global |
| AICPA-licensed | Yes | Yes |
| Headquarters | Westminster, Colorado | Tampa, Florida |
How Coalfire and Schellman differ
On price, Coalfire typically comes in lower ($30K–$120K) than Schellman ($30K–$150K), though scope drives the final quote. Schellman covers more frameworks (7 vs 5), which matters if you want to bundle SOC 2 with ISO 27001, HIPAA, or PCI under one engagement.
Coalfire strengths
- ✓Strong FedRAMP, CMMC, and PCI heritage alongside SOC work
- ✓SOC examinations issued via licensed CPA affiliate Coalfire Controls
- ✓Enterprise-grade cloud security engineering
Schellman strengths
- ✓Licensed CPA firm registered with the PCAOB
- ✓Broad accreditation portfolio: SOC, ISO, PCI, HITRUST, FedRAMP, CMMC
- ✓Large-scale assessor handling thousands of engagements per year
Which should you choose?
Lean toward Coalfire if budget is the priority and its scope fits; lean toward Schellman if you want the broadest framework coverage in a single engagement. Schellman additionally brings AI / ML experience that Coalfire does not list. Both are AICPA-licensed, so either can issue a report your customers will accept — the fastest way to decide is to get quotes from both on identical scope.
Frequently asked questions
Is Coalfire or Schellman cheaper for SOC 2?
Coalfire typically ranges $30K–$120K and Schellman $30K–$150K. On typical midpoints, Coalfire tends to be the lower-cost option, but neither publishes fixed pricing, so a scoped quote from each is the only reliable comparison.
Which covers more frameworks, Coalfire or Schellman?
Schellman lists more frameworks (SOC 1, SOC 2 Type 1, SOC 2 Type 2, ISO 27001, HIPAA, PCI DSS, GDPR), which is an advantage if you plan to bundle SOC 2 with other assurance standards.
Are Coalfire and Schellman both AICPA-licensed CPA firms?
Yes. Both Coalfire and Schellman are AICPA-licensed CPA firms, which is required to issue a SOC 2 report. Either firm's report carries the same recognition with your customers.