Browse SOC 2 Auditors and Readiness Partners

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.

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.

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.

Constellation GRC is an AICPA peer-reviewed CPA firm based in California that specializes in SOC 2 examinations for startups and high-growth SaaS companies. The firm leverages Big 4 experience to deliver fast turnaround times with minimal friction, offering draft reports within 45 days of audit start.

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.

Soter Advisory is a cybersecurity and privacy compliance consulting firm that helps small and medium businesses achieve security certifications including SOC 2, ISO 27001, HIPAA, and GDPR, offering virtual CISO and virtual DPO services, penetration testing, and policy development.

VISTA 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.

Doeren Mayhew is a Michigan-based Top 100 CPA and advisory firm providing SOC 2 examinations, IT risk advisory, and cybersecurity assessment services for technology and financial services organizations.

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.

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.

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.

Thomas Howell Ferguson (THF) is a CPA firm offering SOC examination and IT audit services, with deep expertise in government and nonprofit compliance.