All companies
Every cybersecurity vendor and service firm on the list. Tick the filters to build a shortlist, then open a profile to see who owns the company and what it does. You can also browse by category or country, or see recent deals.
Results
See also SOC 2 audit firms and companies based in the United States.
| Company | Category | Based in | Founded | Ownership |
|---|---|---|---|---|
A-LIGN A-LIGN provides cybersecurity compliance audits and certifications across frameworks like SOC 2 and ISO 27001. | Compliance audits (SOC 2, ISO 27001) | Tampa, United States | 2009 | Owned by Hg |
AIUC Sets standards, audits and insures frontier AI systems and agents for security, safety and reliability. | AI and LLM security | San Francisco, United States | Private | |
Archer Integrated risk management software covering enterprise and operational risk, IT and security risk, compliance, audit, third-party governance and operational resilience. | GRC and compliance automation | Overland Park, United States | Owned by Cinven | |
BARR Advisory BARR Advisory helps organisations establish, manage, and audit cybersecurity and compliance programmes. | Compliance audits (SOC 2, ISO 27001) | Kansas City, United States | Private | |
Clone Systems Provides penetration testing, PCI ASV scanning, and managed security services for compliance and threat detection. | Penetration testing | Philadelphia, United States | 1998 | Private |
Coalfire Compliance-focused cybersecurity advisory firm and FedRAMP 3PAO specializing in penetration testing that meets stringent regulatory requirements. | Penetration testing | Westminster, United States | 2001 | Owned by Apax Partners |
Cyberneza LLC Cyberneza provides cybersecurity and compliance consulting for defense contractors and regulated organizations. | Security consulting and vCISO | Orlando, United States | 2025 | Private |
CyberSheath CyberSheath provides cybersecurity compliance services for DOD contractors, focusing on CMMC, DFARS, and NIST standards. | GRC and compliance automation | Reston, United States | 2012 | Private |
Drata Drata provides a platform that automates security compliance, risk management and trust assurance for companies. | GRC and compliance automation | San Francisco, United States | 2020 | Private |
ERMProtect ERMProtect provides cybersecurity assessments, penetration testing, compliance audits, and digital forensics services. | Penetration testing | Coral Gables, United States | 1998 | Private |
Integris IT Integris provides managed IT, cybersecurity, AI and cloud services to small and midsize businesses. | Managed security services | Cranbury, United States | Private | |
IntelliGRC IntelliGRC provides software that helps managed service providers automate cybersecurity compliance and audit readiness. | GRC and compliance automation | Fairfax, United States | Private | |
Johanson Group Johanson Group is a CPA firm providing security and compliance audits. | Compliance audits (SOC 2, ISO 27001) | Colorado Springs, United States | 2012 | Private |
KirkpatrickPrice KirkpatrickPrice is a licensed CPA firm that performs cybersecurity audits and compliance assessments. | Compliance audits (SOC 2, ISO 27001) | Nashville, United States | Private | |
LHP Engineering Solutions US engineering consultancy offering ISO 21434 consulting, TARA, security verification and automotive cybersecurity training. | Automotive cybersecurity | Columbus, Indiana, United States | 2001 | Private |
MetricStream GRC software covering IT and cyber risk, IT and cyber compliance, vendor and third-party risk, enterprise risk, regulatory compliance, internal audit and resilience. | GRC and compliance automation | San Jose, United States | Private | |
Network Brainiacs Provides managed IT support, cybersecurity services and custom software to small businesses. | Managed security services | Mount Arlington, United States | 2011 | Private |
NSS Labs NSS Labs provides independent testing and validation of cybersecurity controls and AI systems. | Penetration testing | Austin, United States | 2007 | Private |
Optro Audit, risk and compliance software, formerly AuditBoard, with controls management, cyber risk management, third-party risk, regulatory compliance and AI governance products. | GRC and compliance automation | United States | Private | |
Prescient Assurance Prescient Assurance provides SOC 2 audits and security compliance certifications for SaaS companies. | Compliance audits (SOC 2, ISO 27001) | United States | Private | |
Redspin Miami-based cybersecurity firm with 300+ employees and deep healthcare/HIPAA expertise. Delivering pen testing since 2000. | Compliance audits (SOC 2, ISO 27001) | Miami, United States | 2000 | Owned by Clearwater |
S Schellman The largest CPA-firm-based cybersecurity assessor in the US. Unique in holding FedRAMP 3PAO, PCI QSA, HITRUST, ISO 27001, and SOC attestation authority simultaneously. | Compliance audits (SOC 2, ISO 27001) | Tampa, United States | 2002 | Owned by Goldman Sachs Alternatives |
TestPros TestPros is an independent IT compliance firm that has been testing since 1988. | Compliance audits (SOC 2, ISO 27001) | Sterling, United States | 1988 | Private |
Tevora CREST-accredited California consultancy blending compliance expertise with penetration testing. First to earn ISO 17020 for MITRE ATT&CK and PTES frameworks. | Penetration testing | Irvine, United States | 2003 | Private |
UL Solutions Global testing and certification firm, recognised by the PCI SSC for PTS POI and HSM evaluation, with labs in the UK and China. | Compliance audits (SOC 2, ISO 27001) | Northbrook, United States | Public, ULS | |
Vanta Vanta provides a platform for automating security compliance and risk management. | GRC and compliance automation | San Francisco, United States | 2018 | Private |
Whistic Whistic provides a platform for assessing, monitoring, and sharing vendor security and compliance information. | Third-party risk and security ratings | West Jordan, United States | Private | |
YSecurity YSecurity provides an on-demand cybersecurity team for startups, handling compliance and security reviews. | Compliance audits (SOC 2, ISO 27001) | United States | Private |