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.
240 firms found.
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.
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.
HoganTaylor
HoganTaylor 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.
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.
Rehmann
Rehmann is a Michigan-headquartered CPA and advisory firm with a dedicated technology consulting practice offering SOC 2 examinations, IT risk assessments, and cybersecurity advisory services across the Midwest.
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.
AccountabilIT
AccountabilIT is an IT services and compliance advisory firm offering SOC 2 readiness consulting, gap assessments, and compliance platform configuration to help organizations prepare for SOC 2 audits.
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.
PCR Business Systems
PCR Business Systems is an IT consulting firm offering SOC 2 readiness and compliance consulting services. They are themselves SOC 2 Type II certified, demonstrating firsthand expertise in implementing and maintaining the controls required for successful audits.
Holbrook & Manter
Holbrook & Manter is an Ohio CPA firm established in 1919, offering SOC audit reporting services through a dedicated team of risk analysis experts and SOC/SOX service providers.
BPM
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.
OCD Tech
OCD Tech is an IT audit and cybersecurity consulting firm providing SOC 2 readiness assessments, SOC 2 certification services, penetration testing, and vCISO support for regulated industries in the Northeast US.