Browse SOC 2 Auditors
Search and filter SOC 2 audit firms by the criteria that matter most for your engagement. Each listing links to a full profile with audit types, industry focus, platform support, pricing, and timeline information where available.
111 firms found.
360 Advanced
St. Petersburg, FL360 Advanced provides cybersecurity assessments, risk management, and SOC 2 audit services for organizations in healthcare, finance, and government sectors requiring cybersecurity and compliance measures.
A-LIGN
Tampa, FLA-LIGN is a technology-enabled cybersecurity compliance firm and the number one global issuer of SOC 2 reports, having completed over 16,000 audits since its founding in 2009.
Advantage Partners
San Francisco, CAAdvantage Partners provides efficient SOC 2 attestations to small and startup technology companies as a certified Vanta partner, led by former Deloitte consultants.
Airius
Atlanta, GAAirius LLC provides risk management, compliance, and regulatory services with 20+ years of experience. Listed on Vanta's partner directory, the firm helps organisations achieve and maintain SOC 2, ISO 27001, and other compliance certifications.
Anders CPAs + Advisors
St. Louis, MOAnders CPAs + Advisors is a St. Louis-based CPA firm founded in 1965, providing SOC 1, SOC 2, SOC 2+, and SOC for Cybersecurity audit and advisory services. Their team determines the ideal SOC report type for clients' contractual and regulatory needs. Anders Technology also offers managed IT and vCISO services.
Aprio
Atlanta, GAAprio, founded in 1952, is a Top 25 U.S. public accounting firm with 1,900+ team members serving clients in 50+ countries. Aprio is one of the few firms offering ISO, SOC reporting, HITRUST, PCI DSS, CMMC, FedRAMP, and WebTrust from a single provider.
Armanino
San Ramon, CAArmanino is a Top 20 U.S. CPA and consulting firm founded in 1953 with approximately 3,000 employees across 5 continents. Armanino CPA LLP is a licensed independent CPA firm offering SOC reporting and compliance services including SOC 1 and SOC 2 Type I and Type II reports.
Assurance Dimensions
Tampa, FLAssurance Dimensions is a Florida-based CPA audit firm founded in 2008 with leadership from former Arthur Andersen, Grant Thornton, BDO, and Schellman professionals. Their team includes a former Schellman Florida SOC practice leader. They specialize in SOC examinations for technology and financial services companies.
AssuranceLab
Sydney, NSWAssuranceLab (now part of Sensiba LLP) is an Australia-headquartered cybersecurity audit and risk assurance firm specializing in SOC 2 and ISO 27001 for technology and SaaS companies, with offices in Sydney, Austin TX, and Dublin.
Astra Security
New Delhi, DelhiAstra Security is an Indian cybersecurity company offering SOC 2 audit services, penetration testing, and vulnerability assessment. They partner with CPA firms to deliver end-to-end SOC 2 Type I and Type II compliance, combining automated scanning with manual expert review.
ATA (Alexander Thompson Arnold)
Memphis, TNAlexander Thompson Arnold (ATA) is a regional CPA and advisory firm offering SOC examination, IT audit, and risk advisory services across the Mid-South.
Audit Peak
New York, NYAudit Peak is a minority-owned CPA firm specializing in IT audits, cybersecurity, and risk advisory services. Founded by former PwC, EY, and KPMG professionals, the firm delivers Big 4-level audit expertise with boutique agility. AICPA Peer Review rated 'Pass' (highest rating).
How to Compare SOC 2 Auditors
Use the filters above to narrow the list, then open individual profiles to review specifics. Here is what to prioritize as you compare.
Industry alignment
Auditors who work with companies in your industry will understand your typical control environment, data flows, and regulatory context. Filter by industry above or browse the industry pages for dedicated listings.
Company size and stage
A seed-stage startup getting its first SOC 2 report needs a different engagement model than an enterprise renewing a Type II. Filter by company size to find firms that focus on your stage.
Platform experience
If your team uses a compliance platform like Drata, Vanta, Secureframe, or Sprinto, an auditor familiar with that tool can speed up evidence review. Filter by platform to surface experienced firms.
Pricing and timeline clarity
Review each firm's profile for available pricing and timeline data. Not all firms publish this information publicly, so expect to request quotes from your shortlist of 2 to 4 firms.
What to Look for in a SOC 2 Audit Firm
- 1Valid CPA licensure. Only licensed CPA firms can issue SOC 2 reports. Verify the firm's standing with its state board of accountancy.
- 2Relevant experience. Ask how many SOC 2 audits the firm completes annually and whether they regularly serve companies like yours.
- 3Clear communication. The audit process involves sustained back-and-forth. Ask about the firm's communication cadence, project management approach, and typical point of contact.
- 4Transparent pricing. Ask whether pricing is fixed-fee or time-and-materials, what is included, and whether readiness or remediation support is available.
- 5Realistic timelines. Get written estimates for readiness assessment, observation period, fieldwork, and report delivery before signing an engagement letter.
Questions to Ask Before Choosing an Auditor
Once you have a shortlist, use these questions during introductory calls to evaluate each firm.
- How many SOC 2 audits does your firm complete each year?
- Do you have experience with companies in my industry?
- Have you worked with my compliance platform before?
- Is your pricing fixed-fee or time-and-materials?
- What is included in the engagement (readiness, remediation, etc.)?
- What is the expected timeline from kickoff to final report?
- Who will be my primary point of contact during the audit?
- Can you share a sample report or engagement letter?
Frequently Asked Questions
- How do I compare SOC 2 audit firms?
- Start by filtering firms by industry, company size, and compliance platform. Then review individual profiles for audit types offered, pricing structure, typical timeline, and platform experience. Shortlist 2 to 4 firms and request proposals or introductory calls before making a decision.
- What should I look for in a SOC 2 auditor?
- Verify the firm holds a valid CPA license. Ask about their experience with your industry, company size, and compliance platform. Clarify whether pricing is fixed-fee or time-and-materials. Request a written timeline covering readiness, observation, fieldwork, and report delivery.
- How many SOC 2 auditors should I evaluate?
- Most buyers benefit from comparing 2 to 4 firms. This gives you enough options to evaluate pricing, timeline, and communication style without making the process unnecessarily long.
- Does it matter if a SOC 2 auditor knows my compliance platform?
- Yes. Auditors familiar with your platform (Drata, Vanta, Secureframe, Sprinto) can navigate evidence rooms and automated controls more efficiently, which reduces back-and-forth and can shorten the overall audit timeline.