Best Certification & Audit Services for Enterprise Organizations
Browse 34 verified certification & audit services ideal for enterprise organizations. Find partners who understand the unique needs and constraints of organizations your size.
Tonen 34 services
TÜV SÜD
International technical certification body offering ISO 27001 and management system certification with strong European accreditation pedigree.
Service Type
Regions
Bureau Veritas
French-rooted global certification and inspection leader providing ISO 27001 and related management system certification.
Service Type
Regions
A-LIGN
High-volume multi-framework audit firm for SOC 2, ISO 27001, HITRUST, FedRAMP, CMMC, and PCI, with dual ANAB/UKAS ISO pathways.
Service Type
Regions
Johanson Group LLP
Boutique US CPA firm specializing in SOC 1/2/3 examinations and related security and compliance audits for growing companies.
Matched on: Certification & Audit
Why am I seeing this? An independent provider, selected by coverage match and 30-day directory demand. No vendor can pay for this spot.
Amtivo
International ISO certification group (including former Certification Europe) offering INAB-accredited ISO 27001 certification and training.
Service Type
Regions
Johanson Group LLP
Boutique US CPA firm specializing in SOC 1/2/3 examinations and related security and compliance audits for growing companies.
Service Type
Regions
AENOR
Leading Spanish certification body for ISO 27001, ENS (Spanish National Security Scheme), and multi-standard management systems.
Service Type
Regions
DNV
Global assurance provider offering ISO 27001 certification and risk-based management system audits, with deep Nordic and critical-infrastructure roots.
Service Type
Regions
SGS
World-leading inspection, verification, and certification company offering ISO 27001 and multi-standard management system certification.
Service Type
Regions
BSI
Global standards body and UKAS-accredited certification organization for ISO 27001, privacy, AI management, and related management systems, plus training.
Service Type
Regions
Coalfire
Enterprise cybersecurity and compliance assessment firm for FedRAMP, SOC 2, HITRUST, PCI, ISO 27001, and government frameworks.
Service Type
Regions
Sensiba
Bay Area CPA firm with a technology assurance practice for SOC 2 and related reports.
Service Type
Regions
DQS
Independent global certification body specializing in management system audits including ISO 27001 information security.
Service Type
Regions
Schellman
Leading US IT compliance attestation firm for SOC 1/2/3, PCI, and ANAB-accredited ISO certifications including ISO 27001 and ISO 42001.
Service Type
Regions
TÜV Rheinland
Global testing and certification group providing ISO 27001 and broader management system certification services.
Service Type
Regions
Sage Audits LLP
Denver-based CPA firm specializing exclusively in SOC 1 and SOC 2 examinations for SaaS and tech companies. Partner-led engagements, independent control testing against Trust Services Criteria, and Big Four IT audit experience. No junior auditors. CPA, CISSP, CISA, CRISC, CISM, CITP.
Service Type
Regions
BARR Advisory
Cloud-native compliance firm offering SOC 2 audits and ISO 27001 certification with coordinated multi-framework programs for SaaS.
Service Type
Regions
360 Advanced
US CPA and compliance assessment firm for SOC 1/2, ISO 27001, HITRUST, HIPAA, and PCI with hands-on mid-market delivery.
Service Type
Regions
Mastermind Assurance
Mastermind Assurance specializes in ISO and CSA STAR certification audits, focusing exclusively on these areas to provide expert assessments and straightforward project management.
Service Type
Regions
Linford & Company
Denver CPA firm of former Big Four auditors specializing in SOC 2, HIPAA, FedRAMP, and HITRUST assessments.
Service Type
Regions
Tevora
Irvine cybersecurity and compliance firm for PCI, SOC 2, ISO 27001, HITRUST, CMMC, and FedRAMP.
Service Type
Regions
Transpacific Certifications
Transpacific Certifications Services (TCS) aims to provide quality oriented and value-based services in the field of third-party auditing and certification/registration. TCS carries out its certification and auditing activities in an impartial manner and exercises utmost care in managing conflict of interest and ensuring objectivity in certification and auditing process and decision making. TCS endeavour to maintain independence in certification and auditing activities without influence of any commercial, financial or other interests.
Service Type
Regions
I.S. Partners
Philadelphia CPA and compliance firm for SOC, HIPAA, HITRUST, PCI, and ISO 27001 assessments.
Service Type
Regions
Prescient Assurance
US CPA firm focused on SOC 2, ISO 27001, and related assurance for technology companies.
Service Type
Regions
Schneider Downs
Pittsburgh CPA firm with SOC 2 and technology assurance services for mid-market companies.
Service Type
Regions
Sancert
Sancert, accredited by SANAS and UKAS, provides ISO/IEC 27001 certification services. We assess and certify Information Security Management Systems to help organisations reduce risk, protect data, and build trust.
Service Type
Regions
Insight Assurance
Florida CPA firm providing SOC 2, ISO 27001, and HIPAA attestation for mid-market technology companies.
Service Type
Regions
Armanino
California CPA firm with a technology assurance practice for SOC 2 and related reports.
Service Type
Regions
KirkpatrickPrice
Nashville licensed CPA firm for SOC 2, PCI, HIPAA, and ISO 27001 audits across US offices.
Service Type
Regions
Intercert
Intercert provides internationally accredited auditing, certification, and training services across various management systems and standards.
Service Type
Regions
Tempo Audits
ISO 27001 certification body, fast and collaborative.
Service Type
Regions
ControlCase
US QSA and assessor for PCI DSS, SOC 2, ISO 27001, and related payment-security programs.
Service Type
Regions
Lazarus Alliance
US assessor for SOC 2, FedRAMP, CMMC, and related federal-adjacent security audits.
Service Type
Regions
Withum
US CPA firm with a technology attestation practice frequently used for SOC 2 by SaaS companies.
Service Type
Regions
Kiwa
Dutch-rooted testing, inspection, and certification group offering RvA-accredited ISO 27001 certification across Europe.
Service Type
Regions