Browse SOC 2 Auditors

BD 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 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 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 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 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.

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.

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.

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

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.

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.

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.

Clark Nuber PS is the largest locally-owned CPA firm in the Pacific Northwest with 300+ professionals and a Certified B Corporation. Their Technology Group serves SaaS, blockchain, AI, and AR/VR companies, providing SOC 1 and SOC 2 reports on controls, with experience including Microsoft SSPA attestations.