Best SOC 2 Auditors for Startups (2026)

Tampa, FL

A-LIGN is one of the largest and most recognized compliance audit firms in the United States. Profile includes pricing, framework coverage, reviews, and engagement process.

Typical engagement: $15,000–$80,000

New York, NY

Citrin Cooperman is a Top 25 CPA firm offering comprehensive SOC, SOX, HIPAA, and ISO 27001 audit services.

Typical engagement: $25,000–$150,000

Westminster, Colorado

Coalfire is a leading US cybersecurity advisory and audit firm specializing in FedRAMP, SOC 2, PCI DSS, HITRUST, and CMMC for cloud and technology companies.

Typical engagement: $25,000–$150,000

New York, NY

CohnReznick Advisory is a Top 25 CPA firm offering SOC, SOX, and FedRAMP compliance audits.

Typical engagement: $25,000–$120,000

Herndon, VA

GuidePoint Security offers SOC 2, ISO 27001, FedRAMP, and CMMC compliance assessments.

Typical engagement: $20,000–$150,000

New York, NY

NCC Group is a global cybersecurity consultancy offering SOC 2, ISO 27001, PCI DSS, and FedRAMP assessments.

Typical engagement: $30,000–$200,000

Denver, CO

Optiv Security is one of the largest cybersecurity solutions firms offering SOC 2, ISO 27001, HITRUST, and FedRAMP.

Typical engagement: $25,000–$200,000

Tampa, Florida

Schellman is a leading US compliance audit firm specializing in SOC 2, ISO 27001, FedRAMP, HITRUST, and PCI DSS assessments for technology companies.

Typical engagement: $20,000–$100,000

New York, NY

Stroz Friedberg (Aon Cyber Solutions) offers SOC 2, ISO 27001, and cyber risk compliance services.

Typical engagement: $30,000–$200,000

Chicago, IL

Trustwave is a global cybersecurity firm specializing in PCI DSS, SOC 2, and ISO 27001 assessments.

Typical engagement: $20,000–$120,000

New York, NY

10FA Compliance is a New York-based compliance consultancy focused on SOC 2 and ISO 27001 readiness for technology and SaaS companies.

Typical engagement: $8,000–$40,000

Coral Springs, FL

24By7Security is a Coral Springs, FL cybersecurity consultancy and PCI QSA specializing in HIPAA, PCI DSS, SOC 2, and CMMC compliance.

Typical engagement: $10,000–$60,000

Nashville, TN

360 Advanced is a US-based compliance audit firm offering SOC 2, PCI DSS, HITRUST, ISO 27001, and HIPAA audits with a focus on technology and healthcare companies.

Typical engagement: $18,000–$70,000

Westborough, MA

AAFCPAs is a Massachusetts CPA firm founded in 1973 providing SOC 1, SOC 2, HIPAA, and IT audit services to service organizations.

Typical engagement: $18,000–$90,000

Atlanta, GA

AARC-360 is a PCAOB-registered Atlanta CPA firm delivering SOC 1, SOC 2, ISO 27001, HIPAA, and PCI DSS assurance and compliance services.

Typical engagement: $12,000–$60,000

Tampa, FL

Abacode is a Tampa-based managed cybersecurity and compliance provider aligning clients to CMMC, SOC 2, ISO 27001, and HIPAA frameworks.

Typical engagement: $12,000–$75,000

New York, NY

Abacus Group is a New York-based IT and cybersecurity provider delivering compliance and risk services to hedge funds and private equity firms.

Typical engagement: $10,000–$60,000

New York, NY

ACA Group is a global GRC advisory firm whose ACA Aponix division provides cybersecurity assessments and compliance support for financial services.

Typical engagement: $25,000–$150,000

Alexandria, VA

ACI Federal is a FedRAMP 3PAO and CMMC C3PAO serving federal agencies and government contractors.

Typical engagement: $35,000–$200,000

New York, NY

Agio is a New York-based managed IT and cybersecurity firm providing SOC, ISO 27001, and SEC compliance support to financial services firms.

Typical engagement: $12,000–$75,000