Enterprise SOC 2 Auditors: Top Firms
SOC 2 audit firms that focus on enterprise-sized companies. These auditors understand the unique compliance needs and budget considerations of enterprise organizations.
120 firms found.
Top Enterprise Auditors
Firms that specialize in enterprise-sized companies.
Securis360
VerifiedPittsburgh, PA
Securis360 is a cybersecurity and compliance consulting firm offering SOC 2 readiness, cloud security testing, penetration testing, and staff augmentation services. Founded by former Big Four professionals, the firm takes a three-phase approach to SOC 2 (readiness assessment, remediation, attestation support) covering all five Trust Services Criteria. Securis360 also provides cloud security assessments across AWS, Azure, and GCP, along with penetration testing as a service (PTaaS) and compliance support for ISO 27001, HIPAA, HITRUST-CSF, and GDPR. They are not a CPA firm and do not issue SOC 2 attestation reports directly.
BDO USA
Chicago, IL
BDO 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.
BPM
San Jose, CA
BPM is the largest California-based accounting and advisory firm, providing SOC 1, SOC 2, and SOC 3 examinations through its IT Assurance practice. Their team holds CPA and CISA credentials.
Sidekick Security
Washington, DC
Sidekick Security is an AI-native cybersecurity consulting firm led by former CMS CISO Robert Wood, offering program transformation, offensive security, and compliance support with a data-driven delivery model that prioritizes measurable outcomes.
All Enterprise SOC 2 Auditors
CyberGuard Advantage
CyberGuard Advantage has provided SOC 2 readiness assessments and compliance consulting since 2011. They help organizations prepare for SOC 2 audits with thorough gap analysis, control implementation guidance, and ongoing compliance monitoring support.
SC&H Group
SC&H Group is a Maryland-based CPA and consulting firm offering SOC 2 examinations, IT risk advisory, and cybersecurity services for mid-market and enterprise technology and healthcare organizations.
Moore Colson
Moore Colson is an Atlanta-based CPA firm established in 1981, providing SOC 1, SOC 2, and SOC 3 audits with over 25 years of SOC experience and a team of 200+ employees serving mid-market businesses and Fortune 500 companies.
Cherry Bekaert
Cherry 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.
HLB Mann Judd
HLB Mann Judd is a leading Australian chartered accounting group and member of HLB International, with offices throughout Australia, New Zealand, and Fiji. The firm provides SOC 2 audit services alongside traditional audit, tax, and advisory capabilities, auditing over 120 ASX-listed companies.
PwC India
PwC 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.
Grassi
Grassi is a Top 100 U.S. CPA and advisory firm providing SOC 2 attestation, cybersecurity assessments, and IT risk advisory for technology and financial services organizations.
Eide Bailly
Eide 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
EisnerAmper 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.
PYA
PYA (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.
The Pun Group
The Pun Group is a Best of Accounting award-winning CPA firm specializing in SOC 1, SOC 2, SOC 3 audits, readiness assessments, and NIST compliance services.
CBIZ
CBIZ is a leading provider of financial, insurance, and advisory services including SOC reporting and IT audit through its MHM subsidiary partnership.
Crowe
Crowe 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.
Forvis Mazars UK
Forvis 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.
Vertex11
Vertex11 is a cybersecurity consultancy specializing in governance, risk, and compliance (GRC), policy and procedure development, and enterprise cybersecurity solutions with decades of experience across financial services, energy, and telecommunications.
Insight Assurance
Insight 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.
MGO (Macias Gini & O'Connell)
MGO (Macias Gini & O'Connell) is a California-based Top 50 CPA and advisory firm providing SOC 2 examinations, IT audit, and risk advisory services with expertise in government and technology sectors.
PKF O'Connor Davies
PKF O'Connor Davies is a top-20 U.S. accounting and advisory firm offering SOC 1, SOC 2, and SOC 3 examinations alongside a full range of assurance, tax, and consulting services.
Citrin Cooperman
Citrin 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.
Schellman
Schellman is a leading compliance assessment firm focused exclusively on attestation and cybersecurity services, including SOC 2, ISO 27001, HITRUST, FedRAMP, and PCI DSS.
MNP LLP
MNP LLP is Canada's third-largest accounting and business advisory firm, with over 8,000 employees across 150+ offices. The firm provides SOC 1 and SOC 2 attestation services alongside internal audit, enterprise risk management, and cybersecurity advisory capabilities.
A-LIGN
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.
Lurie LLP
Lurie LLP is a CPA firm 100% dedicated to SOC reporting. Their partners taught the AICPA's official SOC School and have authored industry guidance on SOC engagements. They deliver SOC 1, SOC 2, and SOC 3 reports for organizations across the country.
ControlCase
ControlCase is a global compliance and security certification firm offering SOC 2 readiness, SOC 2 audit facilitation, PCI DSS, ISO 27001, and HITRUST certification services.
CyberVantage 360
CyberVantage 360 is a compliance consulting firm that has helped over 1,000 clients across 50+ countries achieve SOC 2, ISO 27001, and PCI DSS certifications. They provide end-to-end readiness services from gap analysis through audit support.
Consilium Labs
Consilium Labs is an ANAB and IAS accredited certification body that performs SOC 2 audits under AICPA supervision, along with ISO 27001, ISO 27701, ISO 42001, and CSA STAR certifications, serving organizations across North America, EMEA, and APAC.
Angel Cybersecurity
Angel Cybersecurity is a woman-owned cybersecurity consulting company experienced in building security programs for organizations of all sizes, offering virtual CISO services and compliance support for SOC 2, ISO 27001, HIPAA, and PCI.
Echelon Risk + Cyber
Echelon Risk + Cyber implements, configures, and operationalizes compliance platforms while helping organizations build and sustain security programs aligned to SOC 2, ISO 27001, and ISO 42001.
Frazier & Deeter
Frazier & 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.
UHY
UHY LLP is a national CPA firm and a member of UHY International providing SOC examination, IT risk advisory, and compliance audit services.
Assurance Dimensions
Assurance 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.
Wipfli
Wipfli 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.
iBiz Controls Consulting
iBiz Controls Consulting is a U.S.-based information security compliance advisory firm offering SOC 2 readiness, gap assessment, internal audit, policy development, and staff augmentation services. The firm supports both SOC 2 Trust Services Principles and ISO 27001 compliance programs for organizations of all sizes.
British Assessment Bureau (Amtivo)
British 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.
LBMC
LBMC 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.
SingerLewak
SingerLewak is a West Coast CPA firm with over 60 years of experience, offering SOC 1 and SOC 2 auditing through its IT Assurance and Advisory practice.
BARR Advisory
BARR 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.
Kaufman Rossin
Kaufman Rossin is a Top 100 CPA and advisory firm in South Florida providing SOC 2 examinations, cybersecurity assessments, and IT risk advisory services for technology and financial services organizations.
Sikich
Sikich 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.
Avertium
Avertium is a cybersecurity services company providing SOC 2 readiness assessments, governance risk and compliance consulting, managed security services, and incident response for mid-market and enterprise organizations.
Tevora
Tevora is a cybersecurity and compliance advisory firm providing SOC 2 readiness, PCI DSS, HITRUST, and ISO 27001 consulting services to help organizations prepare for and navigate compliance audits.
Grant Thornton
Grant 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.
Linford & Company
Linford & 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.
Mayer Hoffman McCann (MHM)
Mayer Hoffman McCann is a national CPA firm affiliated with the CBIZ business services network, offering SOC 2 examinations, IT audit, and assurance services for mid-market and enterprise clients.
BeachFleischman
BeachFleischman is a Top 200 US CPA firm headquartered in Arizona, providing SOC 2 readiness assessments, SOC audit services, and cybersecurity consulting across Tucson, Phoenix, and Las Vegas offices.
BDO UK
BDO 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.
CohnReznick
CohnReznick 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.
Plante Moran
Plante 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.
eDelta Consulting
eDelta Consulting provides independent SOC 1, SOC 2, and SOC 3 examinations along with readiness assessments, led by former Big 4 professionals with audit, SOC, control, and risk experience across regulated and technically complex sectors.
Carr, Riggs & Ingram
Carr, Riggs & Ingram is a Top 25 U.S. CPA and advisory firm providing SOC 2 examinations, IT audit, cybersecurity assessments, and risk advisory through its national practice. Parent firm of the Auditwerx SOC practice.
TUV Rheinland
TUV 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.
Novogradac
Novogradac is a national CPA and advisory firm providing SOC 2 examinations, IT audit, and assurance services alongside its specialty practices in tax credits and community development.
Aprio
Aprio, 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.
AAFCPAs
AAFCPAs is a Top 100 US CPA firm delivering SOC 2 audits led by seasoned professionals with Certified Ethical Hackers embedded in every engagement. Their leadership is involved in AICPA SOC and cybersecurity standards development.
Accedere
Accedere is a Colorado-licensed CPA firm and ISO/IEC Certification Body specializing in SOC 1, SOC 2 Type II, and SOC 3 attestation, ISO 27001 audits, and cloud security assessments. Registered with PCAOB and the Cloud Security Alliance as a STAR auditor, the firm brings over 20 years of cybersecurity and privacy compliance experience.
Drummond Group
Drummond Group is a compliance testing and certification firm specializing in SOC 2 assessments, HITRUST certification, ONC health IT testing, and security compliance for technology and healthcare organizations.
SciSpike
SciSpike is a professional services software engineering company that specializes in compliance consulting (SOC 2, HITRUST, ISO 27001, GDPR, PCI), AWS solutions, and flexible staffing with onshore, nearshore, and offshore talent.
Nettitude
Nettitude is a UK-based cybersecurity consulting firm providing SOC 2 readiness assessments, penetration testing, managed detection, and compliance advisory services for technology and financial services organizations.
Coral eSecure
Coral eSecure provides SOC 2 implementation and readiness consulting with over 150 implementations since 2014. Services include gap analysis, control design, documentation of policies and procedures, and audit facilitation.
RubinBrown
RubinBrown 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.
SecurePath Solutions
SecurePath Solutions specializes in guiding businesses through complex compliance frameworks including SOC 2, PCI, HITRUST, and FedRAMP, with a team of certified security and compliance professionals.
GuidePoint Security
GuidePoint Security is a cybersecurity solutions firm providing SOC 2 readiness assessments, compliance advisory, and security consulting services for mid-market and enterprise organizations.
TrustNet
TrustNet is a cybersecurity and compliance services firm with two decades of experience helping businesses achieve SOC 1, SOC 2, and SOC 3 compliance. The firm provides readiness assessments, gap analysis, remediation support, and compliance automation through its SOC Accelerator+ approach, coordinating with CPA firms for final attestation.
Prager Metis
Prager Metis is an international CPA firm offering SOC attestation services as part of its Advisory Group. The firm provides audit, tax, consulting, and international services across multiple offices.
Optiv Security
Optiv Security is a cybersecurity solutions integrator and advisory firm providing SOC 2 readiness assessments, compliance consulting, managed security, and governance risk and compliance services for enterprise organizations.
Control Logics
Control 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.
EY
EY (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.
Clearwater Security
Clearwater Security is a healthcare-focused cybersecurity and compliance firm with two decades of experience, offering SOC 2 readiness consulting, HIPAA compliance, and managed security operations for over 500 customers.
RS Assurance & Advisory
RS Assurance & Advisory is a licensed CPA firm providing SOC 1, SOC 2, and SOC 3 attestation services. Their team includes former Big Four auditors who bring deep expertise in IT compliance and risk management to organizations of all sizes.
CLA (CliftonLarsonAllen)
CLA (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.
Deloitte India
Deloitte 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.
Prescient Assurance
Prescient 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.
Weaver
Weaver 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.
Archlight
Archlight is a premier provider of information privacy, security, cybersecurity, and regulatory compliance consulting services dedicated exclusively to healthcare, with an award-winning team that has over 30 years of experience.
Grant Thornton India
Grant 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.
360 Advanced
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.
Auditwerx
Auditwerx 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.
Kroll
Kroll is a global risk and financial advisory firm providing SOC 2 readiness consulting, cybersecurity assessments, incident response, and compliance advisory services for mid-market and enterprise organizations.
Marcum
Marcum 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.
Moss Adams
Moss 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.
McKonly & Asbury
McKonly & Asbury is a Central Pennsylvania CPA firm providing SOC 1, SOC 2, SOC 3, and SOC for Cybersecurity reporting, along with IT audit, penetration testing, and vCISO support for regulated industries.
BSI Group
BSI (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.
Lazarus Alliance
Lazarus 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.
Windham Brannon
Windham 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.
Mauldin & Jenkins
Mauldin & Jenkins is a regional CPA and advisory firm offering SOC examinations, IT audit, and cybersecurity compliance services across the Southeast.
Forvis Mazars US
Forvis 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.
Securance
Securance 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.
RSI Security
RSI Security provides end-to-end SOC 2 readiness consulting, from gap analysis and control implementation to auditor selection, evidence gathering, and ongoing compliance maintenance.
Baker Tilly
Baker 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.
Elliott Davis
Elliott Davis is a Top 40 U.S. CPA and advisory firm providing SOC 2 examinations, IT risk advisory, and cybersecurity assessment services for technology, financial services, and healthcare organizations across the Southeast.
Coalfire
Coalfire 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.
Tanner LLC
Tanner LLC is Utah's premier independent CPA firm, providing SOC 2 examinations using the AICPA Trust Services Criteria. The firm's IT assurance team has over 15 years of experience helping clients manage information security risks. Tanner was the first Utah-headquartered firm to achieve HITRUST CSF Assessor designation.
CyberSaint
CyberSaint provides integrated risk management and compliance solutions including SOC 2 readiness assessments, control mapping, and risk quantification services for technology and financial services organizations.
Schellman (Germany)
Schellman'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.
PBMares
PBMares is a CPA firm and approved Qualified Security Assessor (QSA) providing SOC 1, SOC 2, and SOC 3 examinations. Their SOC team combines licensed CPAs with cybersecurity professionals for dual compliance and technical expertise.
Wolf & Company
Wolf & 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.
Schneider Downs
Schneider 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.
IS Partners
IS 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.
KPMG
KPMG 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.
PwC
PwC (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.
Targhee Security
Targhee Security is a San Francisco-based compliance automation and advisory firm that helps organizations manage SOC 2 readiness through continuous control monitoring, evidence collection automation, and trust center solutions. The firm's Prometheus platform provides AI-powered questionnaire automation and vendor risk assessment capabilities.
INTERCERT
INTERCERT 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.
TestPros
TestPros has provided SOC 2 readiness assessments since 1998. Serving both government and commercial clients, they offer gap analysis, control implementation, and audit preparation services with deep expertise in federal compliance requirements.
Windows Management Experts
Windows Management Experts (WME) is a Microsoft Solutions Partner founded in 2008 that specializes in delivering secure, scalable IT solutions including SOC 2 compliance consulting, cloud security, and identity management across 500+ successful projects.
Barnes Dennig
Barnes Dennig is a Cincinnati-based CPA firm with a dedicated SOC reporting team offering SOC 1, SOC 2, SOC 3, and readiness assessments. Their SOC Reporting practice leader is a designated SOC specialist for the AICPA.
GMI Consulting
GMI Consulting is a Drata service partner offering SOC 2 readiness assessments and remediation services. They help organizations prepare for SOC 2 audits by identifying gaps, building controls, and implementing compliance automation through the Drata platform.
Glocert International
Glocert 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).
RSM US
RSM 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.
Accorp Partners
Accorp Partners is a California-registered CPA firm and AICPA peer-reviewed SOC auditor, providing SOC 1, SOC 2, ISO 27001, HIPAA, and PCI-DSS compliance services to over 500 global organizations.
Protiviti
Protiviti is a global consulting firm and Robert Half subsidiary that provides SOC 2 readiness assessments, gap remediation, and internal audit support. With over 85 offices worldwide, they serve mid-market and enterprise organizations navigating complex compliance requirements.
Withum
Withum 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.
KirkpatrickPrice
KirkpatrickPrice 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.
Armanino
Armanino 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.
Deloitte
Deloitte 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.
Smith + Howard
Smith + Howard is a CPA and advisory firm providing SOC reporting, IT audit, and risk advisory services with a focus on middle-market companies.
IT Governance USA
IT Governance USA is a global cybersecurity and compliance advisory firm providing SOC 2 readiness consulting, gap assessments, ISO 27001 implementation, and data privacy compliance services.
Choosing a SOC 2 Auditor as a Enterprise Company
The right auditor for a enterprise-sized organization depends on factors beyond price. Here is what to prioritize when evaluating the firms listed above.
- Size-appropriate engagement model. Make sure the firm regularly works with enterprise companies and can tailor the engagement scope and pricing to your stage.
- Readiness support availability. Larger organizations may need auditors who can handle complex multi-system environments and coordinate across departments.
- Platform and industry alignment. Filter by compliance platform or industry to further narrow your shortlist.
- Timeline expectations. Ask about typical timelines for enterprise engagements and whether the firm can accommodate your schedule.
Read more: How to choose a SOC 2 auditor → · SOC 2 audit cost guide →
Enterprise SOC 2 Audit FAQ
- What do enterprise organizations need from a SOC 2 auditor?
- Enterprise SOC 2 audits require auditors capable of handling large-scale, multi-location environments with complex control landscapes. Look for firms with dedicated engagement teams, experience with enterprise GRC tools, and the capacity to coordinate across business units.
- How much does a SOC 2 audit cost for enterprise companies?
- Enterprise SOC 2 engagements can range from $75,000 to over $200,000 depending on scope, number of systems, geographic complexity, and whether multiple frameworks are combined. Request detailed proposals from at least 2 to 3 firms.
- How do enterprise companies manage ongoing SOC 2 compliance?
- Enterprise organizations typically renew their SOC 2 Type II annually. Look for auditors who offer multi-year engagement pricing, keep the same audit team assigned year over year, and can adjust scope as you add products, regions, or compliance frameworks.
SOC 2 Guides
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- How to Choose a SOC 2 Auditor
How to choose a SOC 2 auditor. Evaluate credentials, industry experience, platform compatibility, pricing structure, and engagement timelines.
- Top 10 Questions to Ask Your SOC 2 Auditor
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- 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.
- SOC 2 Audit Timeline
How long does a SOC 2 audit take? Typical timelines from readiness preparation through report delivery, with expected durations for each phase.
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