Compare 135 US SOC 2 firms by fee, turnaround, and fit. Type 2 runs from $15K at specialists up to Big Four pricing, remote over 3 to 12 months. Match the firm tier to what your buyers expect, then get comparable ballparks without booking five sales calls.
Updated / Auditing elsewhere? Not US-specific? Overall best SOC 2 auditors ranking → · Canada · Australia · Germany · UK
Tell us your scope once. We match it with US firms and send 3–10 ballpark quotes back side by side.
We match firms to your scope and bring their ballpark quotes back. Free and anonymized.
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The best U.S.-based SOC 2 auditor depends on budget, scope, and report-recipient requirements: Thoropass for auditor-led work across an existing GRC, Zero Day CPA for lower pricing, 360 Advanced or A-LIGN for multi-framework programs, KirkpatrickPrice below $20K, and Deloitte when a Big Four issuer is required. There is no universal winner.
Thoropass fits a first-time US buyer that wants an auditor-led workflow across its existing compliance tools because its firm-stated client segments run from startup to mid-market and its platform connects to several major GRC systems.
Zero Day CPA fits a US startup or SMB because its estimated Type 2 range starts at $7K, it supports five common GRC tools, and in-house penetration testing reduces a separate vendor handoff.
360 Advanced fits a US company that wants one domestic team coordinating SOC 2 with ISO 27001, FedRAMP, HITRUST, or PCI DSS and serves SMB, mid-market, and enterprise buyers.
A-LIGN fits a US buyer that needs a broad assessor bench for SOC 2, ISO 27001, FedRAMP, HITRUST, PCI DSS, and CMMC, with its A-SCEND platform providing a common workspace across those programs.
KirkpatrickPrice fits a US buyer comparing Type 2 options with an estimated entry point below $20K and also carries PCI DSS QSA, HITRUST Assessor, and FISMA Assessor credentials.
Deloitte fits a US company only when a report recipient, board, or public-company process calls for a Big Four issuer because its enterprise and public-sector coverage supports complex, global environments.
Sponsored firms (paid placements) are sorted first, followed by the rest of the US directory. Pricing is shown in USD and fieldwork-to-report timelines in weeks so buyers can compare specialist, full-service CPA, and Big Four options quickly.
Type 1 and Type 2 figures reflect a mix of firm-confirmed numbers, public sources, and our own estimates, refreshed periodically. Actual cost depends on company size, scope, and Trust Service Criteria.
Featured firms pay to appear first. Every firm here cleared our fit bar first; payment cannot add a firm or change its facts.
SOC 2 audits are remote-first, so any firm we track can serve US buyers. Compare the best SOC 2 audit firms, browse every firm in the full SOC 2 auditor directory, or find SOC 2 auditors near you.
Tell us your scope once. We match it with US firms and send 3–10 ballpark quotes back side by side.
We match firms to your scope and bring their ballpark quotes back. Free and anonymized.
US firms match the buyer time zone, know the procurement vocabulary, and can map SOC 2 evidence to HIPAA, CCPA, FedRAMP, PCI, or financial-services overlays when needed.
International firms can work for small scopes, but the savings often disappear when procurement asks for US regulatory context or faster security-review responses.
| Factor | US-based | International |
|---|---|---|
| Type 2 cost | $16K–$50K to $60K–$200K | $12K-$120K+ |
| Time zone | EST, CST, MST, PST | 6-16 h lag |
| Regulatory overlays | HIPAA, CCPA, PCI, FedRAMP | Framework only |
| Buyer trust | Highest for US enterprise | Depends on named firm |
| Timeline | 1-18 mo | 3-18 mo |
Five stages from first scoping call to issued Type 2 report. Fast Type 1 projects can close in weeks; Type 2 depends on the observation period and evidence quality.
US companies typically start SOC 2 when enterprise prospects ask for it in security review, when a sponsor bank or healthcare buyer requires vendor assurance, or when a procurement team will not accept policies alone.
Type 1 can unblock a deal quickly. Type 2 is the durable report most US enterprise buyers expect because it proves controls operated over time.
HIPAA, PCI, FedRAMP, CMMC, NYDFS, and ISO 27001 change evidence requirements. Pick an auditor that can map those frameworks before fieldwork starts.
Readiness closes control gaps. The observation period then proves the controls ran consistently, usually for 3-12 months depending on buyer expectations.
Keep the report under NDA, pair it with a trust-center summary, and reuse the evidence to shorten security questionnaires and renewal reviews.
Four common questions from US buyers - local auditor fit, cost, remote delivery, and Type 1 vs Type 2 timing.
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.
In 2026, Type 2 ranges for US-based firms are: Assurance-specialist firms $16K–$50K, Full-service CPA firms $30K–$80K, and Big Four firms $60K–$200K. Prices vary based on company size and scope. See /soc-2-audit-cost/sources/ for how each range is calculated.
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.
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.
SOC 2 reports must be issued by licensed Certified Public Accountants under AICPA standards (SSAE 18). Confirm CPA licensure, peer-review standing, and SOC 2 attestation authority before signing.
Many firms sell SOC 2 readiness or compliance software but cannot issue the report. If you need a report for procurement, verify who signs the attestation and whether the signing firm is in scope from day one.
Pricing estimates and timelines are based on public information, submitted data, and internal benchmarks. Actual cost varies by company size, control maturity, Trust Service Criteria, and observation period.
Tell us your scope, buyer deadline, and framework overlaps. We send it to US firms that fit and ask for a ballpark, timeline, and tradeoffs.
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