Browse SOC 2 Auditors
Search and filter SOC 2 audit firms by the criteria that matter most for your engagement. Each listing links to a full profile with audit types, industry focus, platform support, pricing, and timeline information where available.
107 firms found. Clear filters
Baker Tilly
Chicago, ILBaker 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.
BARR Advisory
Kansas City, KSBARR 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.
BD Emerson
Denver, COBD Emerson offers specialized SOC 2 Type I and Type II audit services with a strategic partnership with Vanta and was among the first Vanta Certified implementation partners. The firm is a collaborating firm of Andersen Consulting.
BDO UK
London, EnglandBDO 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.
BDO USA
Chicago, ILBDO 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.
BerryDunn
Portland, MEBerryDunn is the largest assurance, tax, and consulting firm headquartered in New England with nearly 1,000 employees across 7 states and Puerto Rico. Their attest services are provided by BDMP Assurance, LLP, a licensed CPA firm. They have successfully guided MSPs and technology firms through SOC 2 examinations to meet enterprise vendor requirements.
Boulay Group
Minneapolis, MNBoulay Group is a Minneapolis-based CPA firm founded in 1934, offering SOC 1, SOC 2, SOC 3, and SOC for Supply Chain reporting services alongside financial advisory services.
Bright Defense
Charlotte, NCBright Defense is a compliance automation and advisory firm offering continuous compliance services for SOC 2, ISO 27001, HIPAA, and PCI DSS. They work as a managed compliance partner alongside Vanta, Drata, and Secureframe to streamline the audit process for startups and SMBs.
British Assessment Bureau (Amtivo)
Kent, EnglandBritish 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.
BSI Group
London, EnglandBSI (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.
CAS Assurance
Miramar, FLCAS Assurance LLC is a licensed CPA firm in Miramar, Florida specializing in SOC 1, SOC 2, CSA STAR, HIPAA, and NIST compliance audits with 20+ years of experience. The firm is a confirmed Secureframe audit partner.
CBIZ
Cleveland, OHCBIZ is a leading provider of financial, insurance, and advisory services including SOC reporting and IT audit through its MHM subsidiary partnership.