SaaS SOC 2 Auditors
SOC 2 audit firms with experience in the SaaS industry. These auditors understand SaaS-specific controls, regulatory requirements, and compliance frameworks.
106 firms found.
Featured SaaS Auditors
A selection of firms serving the SaaS sector.
360 Advanced
St. Petersburg, FL
360 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, FL
A-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, CA
Advantage Partners provides efficient SOC 2 attestations to small and startup technology companies as a certified Vanta partner, led by former Deloitte consultants.
Airius
Atlanta, GA
Airius 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.
All SaaS SOC 2 Auditors
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.
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).
Auditwerx
Tampa, FLAuditwerx is a CRI (Carr, Riggs & Ingram) division dedicated exclusively to SOC reporting and compliance attestation. Founded in 2009, they have produced over 3,500 security compliance reports and 200+ reports annually. They specialize in SOC 1, SOC 2, SOC 2+, PCI DSS, and CMMC assessments.
Baker Tilly
Chicago, ILBaker Tilly is a Global CPA and advisory firm with dedicated AICPA SOC specialists performing hundreds of SOC 2 engagements annually across a wide variety of industries.
BARR Advisory
Kansas City, KSBARR Advisory is a cloud-based cybersecurity and compliance firm specializing in SOC 2, ISO 27001, and FedRAMP for fast-growing SaaS and cloud-based organizations, with a net promoter score of 89.
BD Emerson
Denver, COBD Emerson offers specialized SOC 2 Type I and Type II audit services with a strategic partnership with Vanta and was among the first Vanta Certified implementation partners. The firm is a collaborating firm of Andersen Consulting.
BDO UK
London, EnglandBDO UK is a major accountancy and business advisory firm offering SOC 1, SOC 2, and ISAE 3402 assurance services from London. As part of the BDO global network spanning 160+ countries, they serve technology and financial services organisations requiring international attestation.
BDO USA
Chicago, ILBDO is a large accounting and consulting firm that provides SOC 2 audits and other assurance services, offering a strong alternative to the Big Four with a growing technology audit practice.
BerryDunn
Portland, MEBerryDunn is the largest assurance, tax, and consulting firm headquartered in New England with nearly 1,000 employees across 7 states and Puerto Rico. Their attest services are provided by BDMP Assurance, LLP, a licensed CPA firm. They have successfully guided MSPs and technology firms through SOC 2 examinations to meet enterprise vendor requirements.
Boulay Group
Minneapolis, MNBoulay Group is a Minneapolis-based CPA firm founded in 1934, offering SOC 1, SOC 2, SOC 3, and SOC for Supply Chain reporting services alongside financial advisory services.
Bright Defense
Charlotte, NCBright Defense is a compliance automation and advisory firm offering continuous compliance services for SOC 2, ISO 27001, HIPAA, and PCI DSS. They work as a managed compliance partner alongside Vanta, Drata, and Secureframe to streamline the audit process for startups and SMBs.
British Assessment Bureau (Amtivo)
Kent, EnglandBritish Assessment Bureau (part of Amtivo Group) is one of the UK's most popular UKAS-accredited certification bodies, offering ISO certification services for over 20 years. Amtivo Group has offices in the US, UK, Ireland, Italy, Norway, China, and Japan, serving clients in 40+ countries. Rebranding to Amtivo in 2026.
BSI Group
London, EnglandBSI (British Standards Institution) is an international standards and certification body headquartered in London, offering SOC 2 compliance services alongside ISO 27001, ISO 27017, and other information security certifications globally.
CAS Assurance
Miramar, FLCAS Assurance LLC is a licensed CPA firm in Miramar, Florida specializing in SOC 1, SOC 2, CSA STAR, HIPAA, and NIST compliance audits with 20+ years of experience. The firm is a confirmed Secureframe audit partner.
CBIZ
Cleveland, OHCBIZ is a leading provider of financial, insurance, and advisory services including SOC reporting and IT audit through its MHM subsidiary partnership.
Cherry Bekaert
Atlanta, GACherry Bekaert is a national CPA and advisory firm with 3,000+ professionals and 75+ years of experience. They offer SOC 1, SOC 2, SOC 2+, SOC 3, and SOC for Cybersecurity, and are an authorized CMMC C3PAO. Their Risk & Cybersecurity team has 30+ years of SOC and information assurance experience across all industries.
Citrin Cooperman
New York, NYCitrin Cooperman is the 19th largest US CPA firm, with licensed attest services through Citrin Cooperman & Company, LLP. They operate a dedicated IT Audit Services practice. In 2025, Blackstone acquired a majority stake, valuing the firm at $2 billion, enabling continued investment in technology and talent.
CLA (CliftonLarsonAllen)
Minneapolis, MNCLA (CliftonLarsonAllen) is one of the largest US CPA and business advisory firms with 8,500+ professionals across nearly 130 US locations. They provide SOC 2 audit services with industry-focused expertise spanning technology, government, healthcare, and nonprofit sectors. CLA Global was co-founded in 2022.
Clark Nuber
Bellevue, WAClark Nuber PS is the largest locally-owned CPA firm in the Pacific Northwest with 300+ professionals and a Certified B Corporation. Their Technology Group serves SaaS, blockchain, AI, and AR/VR companies, providing SOC 1 and SOC 2 reports on controls, with experience including Microsoft SSPA attestations.
Coalfire
Westminster, COCoalfire is a leading cybersecurity advisory firm founded in 2001, completing 3,000+ assessments annually through Coalfire Controls, its fully licensed CPA affiliate. With 20+ years of SOC assessment experience and offices in the US and UK, Coalfire partners with Vanta to deliver AI-powered compliance acceleration.
CohnReznick
New York, NYCohnReznick LLP is a top-20 national CPA firm with 5,000+ global employees and $1.12B in FY25 revenue. Their attest entity is PCAOB-registered and inspected. They offer SOC 1, SOC 2, and SOC 3 audits with professionals holding Advanced SOC for Service Organization Certification and Big Four firm backgrounds.
Compass IT Compliance
North Providence, RICompass IT Compliance provides SOC examination, IT audit, and cybersecurity compliance services to organizations across the United States.
CompliancePoint Assurance
Atlanta, GACompliancePoint Assurance is a licensed CPA firm dedicated exclusively to SOC 2 audits, led by Carol Amick, a CPA with 20+ years of information security experience. As a CompliancePoint division, they offer blended PCI DSS + SOC 2 and HITRUST + SOC 2 audits, leveraging their status as a PCI QSA and HITRUST-authorized CSF Assessor.
Control Logics
Tampa, FLControl Logics, founded in 2008, provides risk management and audit consulting for 250+ organizations across North America, Europe, and Asia, covering SOX, SOC readiness, ISO certifications, and privacy compliance.
Copeland Buhl
Wayzata, MNCopeland Buhl is a full-service CPA firm offering SOC 1, SOC 2 Type I, SOC 2 Type II, SOC 3, and SOC 2 + HITRUST mapping audits alongside tax and advisory services.
Crowe
Chicago, ILCrowe is a global accounting firm delivering tailored, risk-based SOC 2 audits using proprietary data analytics and AI tools to speed up evidence collection and testing for high-assurance attestations.
Dansa D'Arata Soucia
Buffalo, NYDansa D'Arata Soucia LLP (DDS) is a full-service CPA firm in Buffalo, New York with 40+ CPAs specializing in SOC 2 audits. Peer reviewed through the AICPA Peer Review Program, DDS has a decade of experience with the AICPA Trust Service Criteria.
Deloitte
New York, NYDeloitte is one of the Big Four accounting firms with a massive security and risk management practice, serving as a go-to for complex, global SOC 2 audits for the largest enterprises.
Deloitte India
Mumbai, MaharashtraDeloitte India provides SOC 2 consulting and audit support as part of the Big Four global network, helping Indian and multinational companies prepare for external reviews and certifications with certified experts in risk management and compliance.
DigiFortex
Bangalore, KarnatakaDigiFortex is a Bangalore-based cybersecurity firm offering SOC 2 Type II certification services in India. The firm helps SaaS startups and technology companies achieve SOC 2 compliance with dedicated compliance consultants and auditors.
Eden Data
Austin, TXEden Data is a cybersecurity and compliance consultancy and 2023, 2024, and 2025 Drata Partner of the Year, helping companies from SOC 2 to IPO with a team of prior Big Four cybersecurity experts.
Eide Bailly
Fargo, NDEide Bailly LLP is a Top 25 national CPA firm with 3,500 employees across 50+ offices in 17 states, having surpassed $750M in revenue in 2025. They offer SOC audits through their Risk Advisory Services practice, with industry expertise spanning healthcare, banking, and government sectors.
EisnerAmper
New York, NYEisnerAmper is a major U.S. CPA and advisory firm with 440+ partners and 4,500+ professionals. Their Assurance Technology and Control Services Group performs dozens of SOC examinations annually. Notably, an EisnerAmper partner chairs the AICPA SOC 2 Working Group.
EY
New York, NYEY (Ernst & Young) is a Big Four accounting firm offering technology risk assurance services including SOC 2 audits, frequently working with large enterprises across multiple industries.
Forvis Mazars UK
London, EnglandForvis Mazars UK is a leading audit, taxation, and advisory firm with 1,500+ professionals in London. Their Technology and Systems Assurance team delivers SOC 1, SOC 2, and ISAE 3402 assurance reports for financial services and technology organisations globally.
Forvis Mazars US
Kansas City, MOForvis Mazars US, formed by the 2022 merger of BKD and Dixon Hughes Goodman, is among the largest U.S. public accounting firms with 7,000+ team members. As part of the Forvis Mazars Global network, they deliver assurance, tax, and consulting services across all 50 states and internationally.
Frazier & Deeter
Atlanta, GAFrazier & Deeter, founded in 1981, is a Top 50 U.S. accounting and advisory firm headquartered in Atlanta with offices in the US, UK, and India. Their Process, Risk & Governance practice delivers SOC attestation services and has seen substantial demand growth for SOC 2 engagements.
Glocert International
London, EnglandGlocert International Certifications (UK) Limited is an IAS-accredited global certification body providing accredited certification for ISO 27001, ISO 42001, ISO 9001, ISO 22301, ISO 27701, ISO 20000-1, ISO 14001, and more. Incorporated in the UK in 2020, with offices in Dubai, Coimbatore (India), Colombo (Sri Lanka), and Newark (USA).
Grant Thornton
Chicago, ILGrant Thornton is a global audit and advisory firm offering end-to-end SOC 2 solutions, combining audit expertise with technology to deliver efficient readiness assessments and high-quality attestation reports.
Grant Thornton India
New Delhi, DelhiGrant Thornton India helps mid-sized organisations prepare for SOC 2 audit reports with an organised and accessible approach. The firm provides readiness assessments and attestation services as part of the global Grant Thornton network.
GRF CPAs & Advisors
Bethesda, MDGRF CPAs & Advisors is a Washington DC-area CPA firm with 45 years of experience serving 1,600+ nonprofit and government clients. They provide end-to-end SOC 2 Type I and Type II audit services including readiness advisory and GAP assessments. Recognized by Accounting Today as a 2025 Regional Leader and Firm to Watch.
GRSee Consulting
Rehovot, Central DistrictGRSee Consulting, founded in 2009, is an Israel-based cybersecurity and compliance firm with offices in NYC and San Francisco. GRSee provides SOC 2, ISO 27001, PCI DSS, HIPAA compliance services and penetration testing, and is a confirmed Secureframe audit partner.
Henderson Loggie
Dundee, ScotlandHenderson Loggie is a Scottish chartered accountancy firm providing SOC, SOX, and ISAE 3402 compliance services for UK and European technology organisations. The firm publishes practical compliance guides helping organisations understand SOC 2 and ISAE requirements.
HoganTaylor
Tulsa, OKHoganTaylor is one of the largest business advisory and CPA firms in Oklahoma and Arkansas with 350+ personnel. Their Risk Assurance team specializes in SOC reports, HITRUST validated assessments, and CMMC certification for small to medium-sized companies across the US, delivering highly customized SOC audits.
Illume Intelligence
New Delhi, DelhiIllume Intelligence is an Indian cybersecurity consulting firm providing SOC 2 assessment services across Delhi, Mumbai, Bangalore, and Chennai. The firm delivers end-to-end SOC 1 and SOC 2 compliance services for technology and financial services organisations.
Insight Assurance
Tampa, FLInsight Assurance is a Tampa-based audit and cybersecurity firm founded by former Big Four professionals, offering SOC 2, ISO 27001, HITRUST, and other compliance audits with a 97% client retention rate.
INTERCERT
The Woodlands, TXINTERCERT Inc. is a multinational auditing company operating in 28+ countries, accredited by SCC (Canada) and UAF (United States) under IAF for ISO certification, and a registered CPA firm for SOC 2/SOC 1 services. INTERCERT and Sprinto have delivered 500+ successful audits together.
iRisk Assurance
Chennai, Tamil NaduiRisk Assurance is a fast-growing GRC and cybersecurity consulting firm headquartered in Chennai, India, with offices in Bangalore and the USA. Founded in 2014, the firm has completed 200+ successful SOC, ISO, and HIPAA audits. The team includes Big 4 veterans with CPA, CISA, CISSP, and CEH certifications, and operates an in-house SOC in Chennai.
IS Partners
Philadelphia, PAIS Partners (merged with AssurancePoint) is a globally recognized CPA firm specializing in IT compliance and cybersecurity assurance, SOC 2, ISO 27001, HITRUST, and PCI DSS services.
ISECURION
Bangalore, KarnatakaISECURION is a Bangalore-based cybersecurity firm providing SOC 2 Type I and Type II compliance audit services. The firm specialises in SOC 2 certification for Indian and global SaaS companies, with additional capabilities in ISO 27001, PCI DSS, and HIPAA compliance.
ITGRC Advisory
London, EnglandITGRC Advisory Ltd is a UK-based firm delivering ISAE 3402 and SOC 2 audit services to technology and financial services organisations. Operating from London, they specialise in helping UK and European companies meet AICPA Trust Services Criteria and ISAE 3000/3402 standards.
Johanson Group
Colorado Springs, COJohanson Group is a Colorado-based CPA firm specializing in SOC 1, SOC 2, SOC 3, ISO 27001, and HIPAA audits with a three-step process and reports delivered within four to six weeks.
Keiter
Glen Allen, VAKeiter is a Virginia-based CPA firm offering SOC 1 and SOC 2 examinations through their Risk Advisory Services team. Their practice lead, Scott McAuliffe (CISA, CFE), has 25+ years in public accounting, including Sarbanes-Oxley, internal audit, and CMMC work. They also offer IT audit via Keiter Technologies.
KirkpatrickPrice
Nashville, TNKirkpatrickPrice is a licensed CPA firm and PCAOB-registered auditor that has issued over 20,000 security compliance reports to more than 2,000 clients worldwide since its founding. They specialize exclusively in cybersecurity audits including SOC 1, SOC 2, PCI DSS, HITRUST CSF, and ISO 27001.
KLR (Kahn Litwin Renza)
Providence, RIKLR (Kahn Litwin Renza) is a Top 100 U.S. CPA firm founded in 1975 with 350+ professionals. The firm provides SOC 2 audit services and is a confirmed Secureframe audit partner, with an international office in Lausanne, Switzerland.
KPMG
New York, NYKPMG is a Big Four accounting firm with a strong IT attestation practice, offering SOC 2 audits as part of their broader assurance services with a global focus on risk management and compliance.
Kratikal
Noida, Uttar PradeshKratikal is an Indian cybersecurity firm offering SOC 2 compliance services with auditors well-versed in international IT frameworks. They deliver optimised solutions for SOC 2, ISO 27001, PCI DSS, HIPAA, and GDPR tailored to each organisation's needs.
Lazarus Alliance
Scottsdale, AZLazarus Alliance is a licensed CPA firm and cybersecurity audit specialist providing SOC 1, SOC 2, and SOC 3 examinations, along with FedRAMP, CMMC, and HIPAA compliance services.
LBMC
Nashville, TNLBMC is Tennessee's #1 professional services firm with 1,000+ team members serving 11,000+ clients nationwide. Their SOC audit practice is led by professionals who have issued thousands of SOC reports, including a national AICPA SOC training leader. They offer SOC 1, SOC 2, SOC 3, and SOC for Cybersecurity.
Linford & Company
Denver, COLinford & Company is a Denver-based CPA firm comprised of former Big Four auditors specializing in SOC 2, HIPAA, FedRAMP, and HITRUST assessments. 90% of their work consists of SOC 2 audits.
Marcum
New York, NYMarcum LLP is a top-15 national CPA and advisory firm serving private and public companies. Their Risk Advisory practice specializes in SOC reporting, PCI DSS, HIPAA/HITRUST, FISMA, NIST, and ISO 27001, with staff holding CISA, CISSP, QSA, GPEN, and GWAPT certifications.
Maxwell Locke & Ritter
Austin, TXMaxwell Locke & Ritter (ML&R) is the largest locally-owned CPA firm in Central Texas, founded in 1991 with 140 team members. They perform SOC readiness assessments and SOC 2 examinations for SaaS, FinTech, HealthTech, EdTech, and AI companies, and are recognized as Accounting Today's #1 Best Mid-sized Accounting Firm to Work For.
MJD Advisors
Hoboken, NJMJD Advisors, founded in 2021, provides SOC 2 audit and compliance services for startups and emerging technology companies, listed on the Drata auditor directory.
Moss Adams
Seattle, WAMoss Adams, founded in 1913, is one of the 15 largest accounting and consulting firms in the United States. Following its 2025 combination with Baker Tilly, the firm operates as the nation's sixth largest CPA advisory firm with 11,000+ professionals across 100+ locations, offering SOC 2 and SOC 3 audit services.
NDB
Houston, TXNDB is a CPA firm specializing in SOC 2 Type I and Type II audits for startup healthcare and technology companies, leveraging Vanta for automated compliance and offering a Virtual Compliance Officer program.
NDNB Accountants
Clearwater, FLNDNB Accountants & Consultants has been a national provider of SOC compliance and assessment services since 2006. The firm specialises in SOC 1, SOC 2, HIPAA, GLBA, and PCI DSS audits, efficiently combining overlapping operational and security controls across frameworks.
Oread Risk & Advisory
Lawrence, KSOread Risk & Advisory helps clients create long-term compliance and security infrastructure based on unique business and compliance goals, listed as a trusted SOC 2 audit firm on the Secureframe directory.
Percilchofe CPA
New Delhi, DelhiPercilchofe CPA LLC is a licensed CPA firm and AICPA member with 15+ years of expertise in audit, assurance, and compliance. The India-headquartered firm (Percilchofe Pvt. Ltd.) has a US entity registered in Sheridan, WY, and specializes in SOC 1, SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS, HITRUST, FedRAMP, and CMMC.
Plante Moran
Southfield, MIPlante Moran is one of the nation's largest CPA and business advisory firms with nearly 4,000 staff. Their cybersecurity practice has over 30 years of SOC consulting experience and is actively involved with the AICPA SOC committees, providing advanced visibility into upcoming SOC reporting standards.
Prescient Assurance
Vancouver, BCPrescient Assurance (formerly Prescient Security) is a globally recognized leader in multi-framework compliance auditing, security assessments, and penetration testing, with senior auditors across the U.S., EMEA, and APAC supporting 25+ compliance frameworks for 5,000+ clients.
PwC
New York, NYPwC (PricewaterhouseCoopers) is a Big Four accounting firm known for a strong risk assurance practice, popular with large tech and financial services companies for SOC 2 and related compliance audits.
PwC India
Mumbai, MaharashtraPwC India provides SOC 2 Type 2 compliance services, checking governance and internal controls to prepare companies for audits. Particularly useful for companies doing business across multiple countries, leveraging PwC's global network of 364,000+ professionals.
PYA
Knoxville, TNPYA (Pershing Yoakley & Associates) is a Top 100 CPA firm ranked by USA Today, Forbes, and INSIDE Public Accounting, and a Top 15 auditor of the nation's largest health systems. They provide SOC 2 Type I and Type II audits for SaaS and cloud-based companies, led by seasoned CPAs and CISAs who prioritize deep technical audit rigor.
Richey May
Englewood, CORichey May provides attest services through Richey, May & Co., LLP, an AICPA-member CPA firm that undergoes triennial Peer Review and has received the highest attainable results. They specialize in SOC 1 and SOC 2 reports for alternative investment, mortgage banking, and technology firms, with Drata partnership for streamlined evidence collection.
Riskpro India
Mumbai, MaharashtraRiskpro India is a Mumbai-based risk and compliance consulting firm with in-house US CPA certified professionals, having completed 1,400+ SOC audits. The team includes former Ernst & Young and Navigant Consulting professionals specialising in SOC 1, SOC 2, HIPAA, PCI DSS, and GDPR.
RSM US
Chicago, ILRSM US is a leading CPA and consulting firm delivering end-to-end SOC 2 support from readiness to audit, with an integrated audit-consulting model and deep industry expertise for middle market companies.
RubinBrown
St. Louis, MORubinBrown LLP is a Top 35 national CPA firm and INSIDE Public Accounting Top 500 firm (#33). Their Information Technology Risk Services practice provides SOC 1, SOC 2, and SOC for Cybersecurity examinations with an 'audit once, report many' approach. They also offer an AI Health Check based on NIST AI RMF.
Schellman
Tampa, FLSchellman is a leading compliance assessment firm focused exclusively on attestation and cybersecurity services, including SOC 2, ISO 27001, HITRUST, FedRAMP, and PCI DSS.
Schellman (Germany)
Munich, BavariaSchellman's German office in Munich provides SOC 2, ISO 27001, and C5 attestation services for European organisations. Schellman is one of the few global compliance firms with a dedicated European presence enabling ISAE 3000/3402 and SOC examinations under both AICPA and international standards.
Schneider Downs
Pittsburgh, PASchneider Downs is a Top-60 independent CPA firm and the 13th largest accounting firm in the Mid-Atlantic region. They blend IT, internal audit, and external audit expertise for SOC engagements and maintain a proprietary SOC 2 controls catalog. National speakers on SOC reporting and also offer SOC for Supply Chain.
Securance
Utrecht, UtrechtSecurance is a Netherlands-based assurance firm founded in 2004 with roots in Big Four, serving 800+ customers across the Netherlands, Germany, Sweden, and UK. They offer a 'Single Audit, Multiple Standards' approach covering SOC 1, SOC 2, ISAE 3402, ISO 27001, NIS2, and DORA.
Sensiba
San Ramon, CASensiba (formerly Sensiba San Filippo) is a Top 75 U.S. CPA firm offering SOC 2, ISO 27001, and other compliance audits. Sensiba acquired Australia-based AssuranceLab in 2025, expanding its global GRC capabilities with 90+ experts and 2,000+ successful audits.
Sentry Assurance
Columbus, OHSentry Assurance is a CPA firm founded by former Big Four auditors (PwC, Deloitte, EY) specializing in SOC 2 audits with a process built from the ground up for compliance automation tools like Drata.
Sikich
Chicago, ILSikich is one of the largest US CPA firms with 2,000+ professionals across North America, EMEA, and APAC. Sikich CPA LLC, the licensed attest entity, provides SOC 2 audit services, while the broader firm offers cybersecurity, ERP/CRM, managed IT, and advisory services.
Smith + Howard
Atlanta, GASmith + Howard is a CPA and advisory firm providing SOC reporting, IT audit, and risk advisory services with a focus on middle-market companies.
Thoropass
New York, NYThoropass (formerly Laika) is an integrated compliance management platform and certified audit firm offering SOC 2, ISO 27001, HIPAA, HITRUST, and PCI DSS with in-house auditors.
TUV Rheinland
Cologne, North Rhine-WestphaliaTUV Rheinland is a global testing, inspection, and certification company founded in 1872 in Cologne, Germany. The firm offers SOC 2 compliance services alongside ISO 27001, ISO 27017, and other security certifications across India, Europe, and globally.
UHY
Farmington Hills, MIUHY LLP is a national CPA firm and a member of UHY International providing SOC examination, IT risk advisory, and compliance audit services.
VISTA InfoSec
Mumbai, MaharashtraVISTA InfoSec, founded in 2004, is an international information security consulting firm with offices in the US, UK, Singapore, and India. The firm has an independent CPA department for SOC 2, GDPR, HIPAA, and PCI DSS attestation services. Recognized as Deloitte Technology Fast 500 Asia Pacific.
Weaver
Houston, TXWeaver is a Top-35 US CPA firm headquartered in Texas offering SOC 1 and SOC 2 Type I and Type II examinations. Their IT advisory team is led by professionals including Neha Patel (CISA, CDPSE), a former AICPA national SOC School trainer named to Forbes' 2025 Best-in-State CPAs.
Windes
Long Beach, CAWindes is a Southern California CPA firm founded in 1926 with 30 partners and 250+ professionals across Long Beach, Orange County, and Los Angeles offices. Recognized as an Accounting Today Top 100 Firm, they offer audit, assurance, cybersecurity risk management, and technology advisory services to technology companies and nonprofits.
Windham Brannon
Atlanta, GAWindham Brannon is a full-service CPA firm founded in 1957, offering SOC 1, SOC 2, SOC 2+, and SOC 3 examinations along with SOC readiness assessments through its Risk Advisory practice.
Wipfli
Milwaukee, WIWipfli LLP is a licensed independent CPA firm operating in an alternative practice structure per AICPA standards. They offer SOC 1, SOC 2, SOC for Cybersecurity, and SOC for Supply Chain examinations. Their IT audit team includes SOC, HITRUST, digital forensics, and AI security specialists, including a noted practice for AI company compliance.
Withum
Princeton, NJWithum is a forward-thinking advisory and accounting firm and one of the top CPA firms in the US. Their SOC audit team authored and presented the inaugural AICPA SOC for Cybersecurity course, and seven of their professionals are among the first CPAs nationwide to earn the AICPA's SOC for Cybersecurity digital badge.
Wolf & Company
Boston, MAWolf & Company, P.C. is a national CPA and business consulting firm founded in 1911, with over 40 IT audit and security professionals. They offer SOC 1, SOC 2, SOC 3, and SOC for Cybersecurity examinations, holding CISA, CISSP, and CPA credentials across their team.
YHB CPAs & Consultants
Winchester, VAYHB (Yount, Hyde & Barbour) is a Virginia-based CPA and consulting firm established in 1947 with SOC audit and IT audit services. Their Risk Advisory Services team includes CITPs and CISAs who focus on AICPA Trust Services Categories and ISACA COBIT frameworks, providing vulnerability assessments, penetration testing, and SOC auditing.
Zero Day CPA
Detroit, MIZero Day CPA is a Michigan-based boutique accounting firm specializing in SOC 1, SOC 2, SOC 3, and HIPAA audits for B2B SaaS and service organizations, known for direct communication and flexibility.
How to Evaluate SaaS SOC 2 Auditors
When comparing SOC 2 audit firms for a saas company, consider these factors alongside standard auditor selection criteria like CPA licensure and pricing.
- Ask about saas-specific experience. How many saas companies has the firm audited? Are they familiar with the controls and data flows typical in your sector?
- Check for regulatory overlap expertise. If your industry has additional compliance requirements (HIPAA, PCI DSS, FedRAMP, etc.), confirm the auditor can navigate those alongside SOC 2.
- Evaluate platform compatibility. If you use a compliance automation tool, check that the auditor has experience with it. Browse auditors by platform.
- Request references from similar companies. A firm that regularly audits saas organizations should be able to speak to the typical scope, timeline, and challenges for your sector.
Read more: How to choose a SOC 2 auditor โ ยท Questions to ask your SOC 2 auditor โ
SaaS SOC 2 Audit FAQ
- What should SaaS companies look for in a SOC 2 auditor?
- Look for auditors experienced with cloud-native architectures, CI/CD pipelines, and multi-tenant environments. They should understand how SaaS access controls, encryption, and change management map to SOC 2 Trust Services Criteria.
- Do SaaS companies need SOC 2 Type I or Type II?
- Most enterprise buyers require a Type II report, which covers operating effectiveness over 3 to 12 months. If you need a compliance artifact sooner, a Type I can be completed faster and shared with prospects while you work toward a Type II.
- How long does a SOC 2 audit take for a SaaS company?
- A Type I can take 4 to 8 weeks. A Type II requires an observation period of 3 to 12 months plus a few weeks for report delivery. Companies using compliance platforms like Drata or Vanta can shorten preparation time by automating evidence collection and continuous monitoring.
SOC 2 Guides
- SOC 2 for AI Companies
SOC 2 compliance for AI and machine learning companies. Covers Trust Services Criteria, AI-specific controls, model governance, and audit preparation.
- SOC 2 Readiness Checklist
Prepare for your SOC 2 audit with this readiness checklist covering security policies, access controls, logging, vendor management, and incident response.
- How Much Does a SOC 2 Audit Cost in 2026?
SOC 2 audit fees range from $7,500 to $60,000 depending on type, scope, and firm. Total first-year compliance costs fall between $30,000 and $100,000.