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.

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.

SaaSTechnologyFinancial Services

SC&H Group

Sparks, MD

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.

Type IType IISaaSTechnologyFinancial Services

Moore Colson

Atlanta, GA

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.

Type IType IISaaSTechnologyFinancial Services

Cherry Bekaert

Atlanta, GA

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.

Type IType IISaaSTechnologyFinancial Services

HLB Mann Judd

Sydney, NSW

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.

Type IType IISaaSTechnologyFinancial Services

PwC India

Mumbai, Maharashtra

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.

Type IType IISaaSTechnologyFinancial Services

Grassi

Jericho, NY

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.

Type IType IISaaSTechnologyFinancial Services

Eide Bailly

Fargo, ND

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.

Type IType IISaaSTechnologyFinancial Services

EisnerAmper

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

PYA

Knoxville, TN

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.

Type IType IISaaSTechnologyHealthcare

The Pun Group

Santa Ana, CA

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.

Type IType IISaaSTechnologyFinancial Services

CBIZ

Cleveland, OH

CBIZ is a leading provider of financial, insurance, and advisory services including SOC reporting and IT audit through its MHM subsidiary partnership.

Type IType IISaaSTechnologyFinancial Services

Crowe

Chicago, IL

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.

Type IType IISaaSTechnologyFinancial Services

Forvis Mazars UK

London, England

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.

Type IType IISaaSTechnologyFinancial Services

Vertex11

Ashburn, VA

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.

TechnologyFinancial Services

Insight Assurance

Tampa, FL

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.

Type IType IISaaSTechnologyFinancial Services

MGO (Macias Gini & O'Connell)

Sacramento, CA

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.

Type IType IISaaSTechnologyGovernment

PKF O'Connor Davies

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

Citrin Cooperman

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

Schellman

Tampa, FL

Schellman is a leading compliance assessment firm focused exclusively on attestation and cybersecurity services, including SOC 2, ISO 27001, HITRUST, FedRAMP, and PCI DSS.

Type IType IISaaSTechnologyFinancial Services

MNP LLP

Calgary, AB

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.

Type IType IISaaSTechnologyFinancial Services

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.

Type IType IISaaSTechnologyFinancial Services

Lurie LLP

Minneapolis, MN

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.

Type IType IISaaSTechnologyFinancial Services

ControlCase

Fairfax, VA

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.

Type IType IISaaSTechnologyFinancial 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.

SaaSTechnologyFinancial Services

Consilium Labs

New York, NY

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.

Type IType IISaaSTechnology

Angel Cybersecurity

Boston, MA

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.

SaaSTechnologyHealthcare

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.

SaaSTechnologyFinancial Services

Frazier & Deeter

Atlanta, GA

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.

Type IType IISaaSTechnologyFinancial Services

UHY

Farmington Hills, MI

UHY LLP is a national CPA firm and a member of UHY International providing SOC examination, IT risk advisory, and compliance audit services.

Type IType IISaaSTechnologyFinancial Services

Assurance Dimensions

Tampa, FL

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.

Type IType IISaaSTechnologyFinancial Services

Wipfli

Milwaukee, WI

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.

Type IType IISaaSTechnologyFinancial Services

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.

SaaSTechnologyFinancial Services

British Assessment Bureau (Amtivo)

Kent, England

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.

SaaSTechnologyFinancial Services

LBMC

Nashville, TN

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.

Type IType IISaaSTechnologyFinancial Services

SingerLewak

Los Angeles, CA

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.

Type IType IISaaSTechnologyFinancial Services

BARR Advisory

Kansas City, KS

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.

Type IType IISaaSTechnologyFinancial Services

Kaufman Rossin

Miami, FL

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.

Type IType IISaaSTechnologyFinancial Services

Sikich

Chicago, IL

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.

Type IType IISaaSTechnologyFinancial Services

Avertium

Phoenix, AZ

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.

SaaSTechnologyFinancial Services

Tevora

Irvine, CA

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.

SaaSTechnologyFinancial Services

Grant Thornton

Chicago, IL

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.

Type IType IISaaSTechnologyFinancial Services

Linford & Company

Denver, CO

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.

Type IType IISaaSTechnologyFinancial Services

Mayer Hoffman McCann (MHM)

Leawood, KS

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.

Type IType IISaaSTechnologyFinancial Services

BeachFleischman

Tucson, AZ

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.

Type IType IISaaSTechnologyFinancial Services

BDO UK

London, England

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.

Type IType IISaaSTechnologyFinancial Services

CohnReznick

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

Plante Moran

Southfield, MI

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.

Type IType IISaaSTechnologyFinancial Services

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.

Type IType IISaaSTechnologyFinancial Services

Carr, Riggs & Ingram

Enterprise, AL

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.

Type IType IISaaSTechnologyFinancial Services

TUV Rheinland

Cologne, North Rhine-Westphalia

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.

Type IType IISaaSTechnologyFinancial Services

Novogradac

San Francisco, CA

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.

Type IType IITechnologyFinancial Services

Aprio

Atlanta, GA

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.

Type IType IISaaSTechnologyFinancial Services

AAFCPAs

Westborough, MA

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.

Type IType IISaaSTechnologyFinancial Services

Accedere

CO

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.

Type IType IISaaSTechnologyFinancial Services

Drummond Group

Fort Worth, TX

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.

Type IType IISaaSTechnologyHealthcare

SciSpike

Austin, TX

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.

SaaSTechnology

Nettitude

London, England

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.

SaaSTechnologyFinancial Services

Coral eSecure

Arlington, VA

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.

SaaSTechnologyFinancial Services

RubinBrown

St. Louis, MO

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.

Type IType IISaaSTechnologyFinancial Services

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.

SaaSTechnologyFinancial Services

GuidePoint Security

Herndon, VA

GuidePoint Security is a cybersecurity solutions firm providing SOC 2 readiness assessments, compliance advisory, and security consulting services for mid-market and enterprise organizations.

SaaSTechnologyFinancial Services

TrustNet

Atlanta, GA

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.

SaaSTechnologyFinancial Services

Prager Metis

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

Optiv Security

Denver, CO

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.

SaaSTechnologyFinancial Services

Control Logics

Tampa, FL

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.

SaaSTechnologyFinancial Services

EY

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

Clearwater Security

Nashville, TN

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.

HealthcareTechnologySaaS

RS Assurance & Advisory

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

CLA (CliftonLarsonAllen)

Minneapolis, MN

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.

Type IType IISaaSTechnologyFinancial Services

Deloitte India

Mumbai, Maharashtra

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.

Type IType IISaaSTechnologyFinancial Services

Prescient Assurance

Vancouver, BC

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.

Type IType IISaaSTechnologyFinancial Services

Weaver

Houston, TX

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.

Type IType IISaaSTechnologyFinancial Services

Archlight

Minneapolis, MN

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.

Healthcare

Grant Thornton India

New Delhi, Delhi

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.

Type IType IISaaSTechnologyFinancial Services

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.

Type IType IISaaSTechnologyFinancial Services

Auditwerx

Tampa, FL

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.

Type IType IISaaSTechnologyFinancial Services

Kroll

New York, NY

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.

SaaSTechnologyFinancial Services

Marcum

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

Moss Adams

Seattle, WA

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.

Type IType IISaaSTechnologyFinancial Services

McKonly & Asbury

Camp Hill, PA

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.

Type IType IISaaSTechnologyFinancial Services

BSI Group

London, England

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.

Type IType IISaaSTechnologyFinancial Services

Lazarus Alliance

Scottsdale, AZ

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.

Type IType IISaaSTechnologyFinancial Services

Windham Brannon

Atlanta, GA

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.

Type IType IISaaSTechnologyFinancial Services

Mauldin & Jenkins

Atlanta, GA

Mauldin & Jenkins is a regional CPA and advisory firm offering SOC examinations, IT audit, and cybersecurity compliance services across the Southeast.

Type IType IIFinancial ServicesHealthcareGovernment

Forvis Mazars US

Kansas City, MO

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.

Type IType IISaaSTechnologyFinancial Services

Securance

Utrecht, Utrecht

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.

Type IType IISaaSTechnologyFinancial Services

RSI Security

San Diego, CA

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.

SaaSTechnologyFinancial Services

Baker Tilly

Chicago, IL

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.

Type IType IISaaSTechnologyFinancial Services

Elliott Davis

Greenville, SC

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.

Type IType IISaaSTechnologyFinancial Services

Coalfire

Westminster, CO

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.

Type IType IISaaSTechnologyFinancial Services

Tanner LLC

Salt Lake City, UT

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.

Type IType IISaaSTechnologyFinancial Services

CyberSaint

Boston, MA

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.

SaaSTechnologyFinancial Services

Schellman (Germany)

Munich, Bavaria

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.

Type IType IISaaSTechnologyFinancial Services

PBMares

Norfolk, VA

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.

Type IType IISaaSTechnologyFinancial Services

Wolf & Company

Boston, MA

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.

Type IType IISaaSTechnologyFinancial Services

Schneider Downs

Pittsburgh, PA

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.

Type IType IISaaSTechnologyFinancial Services

IS Partners

Philadelphia, PA

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.

Type IType IISaaSTechnologyFinancial Services

KPMG

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

PwC

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

Targhee Security

San Francisco, CA

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.

SaaSTechnology

INTERCERT

The Woodlands, TX

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.

Type IType IISaaSTechnologyFinancial Services

TestPros

Sterling, VA

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.

SaaSTechnologyGovernment

Windows Management Experts

Bensalem, PA

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.

SaaSTechnologyHealthcare

Barnes Dennig

Cincinnati, OH

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.

Type IType IISaaSTechnologyFinancial Services

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.

SaaSTechnologyFinancial Services

Glocert International

London, England

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).

SaaSTechnologyFinancial Services

RSM US

Chicago, IL

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.

Type IType IISaaSTechnologyFinancial Services

Accorp Partners

CA

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.

Type IType IISaaSTechnologyFinancial Services

Protiviti

Menlo Park, CA

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.

SaaSTechnologyFinancial Services

Withum

Princeton, NJ

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.

Type IType IISaaSTechnologyFinancial Services

KirkpatrickPrice

Nashville, TN

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.

Type IType IISaaSTechnologyFinancial Services

Armanino

San Ramon, CA

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.

Type IType IISaaSTechnologyFinancial Services

Deloitte

New York, NY

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.

Type IType IISaaSTechnologyFinancial Services

Smith + Howard

Atlanta, GA

Smith + Howard is a CPA and advisory firm providing SOC reporting, IT audit, and risk advisory services with a focus on middle-market companies.

Type IType IISaaSTechnologyFinancial Services

IT Governance USA

New York, NY

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.

SaaSTechnologyFinancial 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

  • Big Four vs Boutique SOC 2 Auditors

    Compare Big Four and boutique SOC 2 auditors, including differences in cost, timeline, expertise, and which type of firm is the best fit for your company.

  • 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

    The most important questions to ask a SOC 2 auditor before signing an engagement letter, covering scope, timeline, pricing, and communication.

  • 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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