Browse SOC 2 Auditors and Readiness Partners
Search and filter SOC 2 auditors and readiness partners by the criteria that matter most for your engagement. Each listing links to a full profile with services, industry focus, platform support, pricing, and timeline information where available.
256 firms found. Clear filters
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.
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.
CertPro CPA
CertPro CPA is a licensed CPA firm performing SOC 2 examinations under the AICPA peer review program, along with ISO certifications, GDPR, CCPA, and HIPAA assessments.
Windes
Windes 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.
UnderDefense
UnderDefense is a cybersecurity company providing SOC 2 readiness consulting, managed detection and response, penetration testing, and compliance advisory services for technology companies.
Prowise Systems
Prowise Systems is a U.S.-based security compliance consulting firm specializing in SOC 2 readiness and preparation services. The firm conducts mock audits, reviews system changes, and manages SOC 2 compliance posture year-round, partnering with AICPA-accredited audit firms for final attestation.
Keiter
Keiter 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.
Alpine Security
Alpine Security is a cybersecurity consulting firm offering SOC 2 readiness assessments, penetration testing, vulnerability assessments, and compliance advisory services for technology companies.
Audit Advantage Group
Audit Advantage Group is a licensed CPA firm specializing in SOC 2 audits, readiness assessments, and internal audit services. Their CPA-led team averages over 20 years of audit and cybersecurity experience.
Dansa D'Arata Soucia
Dansa 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.
Whitley Penn
Whitley Penn is a Texas-based Top 100 CPA and advisory firm providing SOC 2 examinations, IT audit, and risk advisory services to technology and financial services companies across the Southwest.
Siege Cyber
Siege Cyber is a Brisbane-based cybersecurity firm that provides end-to-end SOC 2 readiness and audit preparation for Australian SaaS and technology companies. The firm designs, implements, and documents controls, then supports clients through auditor selection and the formal audit process. Siege Cyber is an official partner of both Vanta and Drata.