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Best SOC 2 Auditors in the USA (39 US Firms)
Compare 39 verified SOC 2 auditors across the United States. From Silicon Valley specialists to Big Four firms, find the right US-based auditor for your company.
Top US Auditors at a Glance
Best for startups: Prescient Security • Best value: KirkpatrickPrice ($15K-$50K) • Fastest: Prescient Security (3-8 mo). See full Top 10 rankings →
Why Choose a US-Based Auditor?
Time Zone Alignment
Critical for audit responsiveness. US auditors work your hours, meaning questions get answered same-day rather than with a 24-hour lag. This alone can shave weeks off your audit timeline.
Regulatory Expertise
US firms have deep expertise in overlapping US regulations like HIPAA, CCPA, and FedRAMP. If you serve US healthcare or government sectors, a US auditor is practically mandatory.
Market Credibility
For US enterprise buyers, a report from a recognizable US CPA firm carries more weight than one from an unknown offshore entity, reducing friction in procurement.
Startup Ecosystem
West Coast and tech-focused US auditors (like Prescient, Sensiba) understand modern CI/CD pipelines, cloud-native stacks, and startup constraints better than traditional firms.
US vs. International Auditors
| Feature | US-Based Auditor | International (Offshore) |
|---|---|---|
| Cost (Type 2) | $20K - $60K | $10K - $30K |
| Time Zone | Matched (EST/PST) | Mismatched (Significant lag) |
| Brand Recognition | High (in US market) | Low (may trigger questions) |
| Security Clearance | Available (FedRAMP/Gov) | Difficult/Impossible |
West Coast Auditors
Coalfire
Denver, CO
Best For: Companies pursuing multiple compliance frameworks (SOC 2 + FedRAMP + HITRUST)
Compliance Point
Denver, CO
Best For: Mountain West tech companies
Linford & Company
Denver, CO
Best For: Silicon Slopes companies and Utah tech corridor startups
East Coast Auditors
Prescient Security
New York, NY
Best For: First-time SOC 2 seekers using Drata/Vanta/Secureframe. B2B SaaS startups (Series A through growth stage) prioritizing speed. AI/ML companies needing SOC 2 + ISO 42001 combination. Cloud-native tech companies wanting auditors who understand modern architectures. Teams already using Slack. International SaaS requiring multi-region coverage and GDPR/ISO expertise. Companies bundling services (audit + pen testing + ISO certification)
Atlantic Assurance Group
Philadelphia, PA
Best For: Mid-Atlantic healthcare and finance companies
CohnReznick
New York, NY
Best For: Private companies and middle market organizations
Deloitte
New York, NY
Best For: Large enterprises and public companies with complex environments
EY (Ernst & Young)
New York, NY
Best For: High-growth tech companies preparing for IPO
KPMG
New York, NY
Best For: Regulated industries and companies with international operations
PwC (PricewaterhouseCoopers)
New York, NY
Best For: IPO-track companies and Fortune 500 enterprises
Withum
Princeton, NJ
Best For: Emerging industries like cannabis and crypto needing specialized expertise
Midwest & South Auditors
A-LIGN
Tampa, FL
Best For: Companies needing multiple compliance frameworks (SOC 2 + ISO + HITRUST + PCI) where A-SCEND's de-duplication creates efficiency. First-time SOC seekers wanting educational approach and technology-enabled audits. Fast-growing companies needing scalable audit relationships
Aprio
Atlanta, GA
Best For: Southeast US companies and Atlanta tech corridor startups
Baker Tilly
Chicago, IL
Best For: Regional companies and mid-market firms seeking personalized service
Baker Tilly (formerly Moss Adams)
Chicago, IL
Best For: Mid-market companies nationwide seeking top-tier audit capacity with West Coast tech expertise.
BDO USA
Chicago, IL
Best For: International companies with US subsidiaries needing compliance
Control Logics
Tampa, FL
Best For: Organizations across North America, Europe, and Asia; companies needing SOC readiness assessments before full audit
Crowe LLP
Chicago, IL
Best For: Healthcare and financial services companies needing data analytics
Grant Thornton
Chicago, IL
Best For: PE-backed companies and middle market firms with growth plans
Insight Assurance
Tampa, FL
Best For: Startups and growth-stage companies
KirkpatrickPrice
Nashville, TN
Best For: Small-to-mid-sized organizations ($5M-$100M revenue) without enterprise budgets. First-time SOC seekers wanting bundled pricing transparency ($30K Year 1 package: Gap + Type I + Type II, then $25K annual renewals). MSPs and IT service providers. Healthcare organizations needing HITRUST + HIPAA. Budget-conscious buyers valuing long-term partnership over transactional audits
Premier Security Auditors
Miami, FL
Best For: LatAm-connected businesses expanding to US
RSM US
Chicago, IL
Best For: Middle-market companies ($50M-$500M revenue) seeking Big Four quality at lower cost
Schellman
Tampa, FL
Best For: Defense contractors needing CMMC + FedRAMP, federal agencies requiring top-tier FedRAMP 3PAO, classified systems operators (ONLY auditor with DoD Facility Security Clearance), healthcare organizations needing HITRUST + SOC 2 bundles, companies wanting Top 50 CPA brand with multi-framework expertise
Schneider Downs
Pittsburgh, PA
Best For: Mid-Atlantic and Rust Belt companies with manufacturing components
Frequently Asked Questions
Do I need a US-based auditor if my company is in the US?
Generally, yes. While you can use international auditors, US-based auditors understand specific US regulations (CCPA, HIPAA, etc.) and operate in your time zone. For US companies selling to US enterprise customers, a US-based auditor provides the highest level of trust and responsiveness.
How much does a SOC 2 audit cost in the USA?
In 2026, typical costs for US-based firms are: Specialist firms ($20K-$40K), Mid-tier firms ($30K-$60K), and Big Four firms ($60K-$150K+). Prices vary based on company size and scope.
Can I use a remote auditor?
Yes, 99% of SOC 2 audits are now conducted remotely. US-based auditors use secure platforms (Drata, Vanta, or proprietary portals) to collect evidence, eliminating the need for expensive on-site visits.
What is the timeline for a US SOC 2 audit?
Type 1 audits typically take 2-6 weeks. Type 2 audits require an observation period of 3-12 months (most commonly 3 months for startups), plus 4-6 weeks for reporting.
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