Prescient Security
Unverified Peer ReviewedUnclaimed accountSecurity-first audits, built by pen testers.
24 accredited ISO 27001 audit firms serving Europe on Nomona. ISO/IEC 27001 is the international standard for information security management. An accredited certification body audits your ISMS and issues a certificate. Typical timeline: Building and operating the ISMS before a first certification audit typically takes six to twelve months. Certification then runs on a three-year cycle: Stage 1 and Stage 2 audits up front, surveillance audits in years one and two, and recertification in year three.. Typical cost: Certification-body audit fees vary with organization size, number of sites, and scope, and are separate from the internal effort or consulting to build the ISMS. Larger, multi-site scopes cost materially more than a single-entity ISMS..
Security-first audits, built by pen testers.
UK compliance firm for EU-facing buyers.
RvA- and BELAC-accredited certification body for ISO 27001 and Belgium's CyberFundamentals (CyFun) NIS2 scheme.
RvA-accredited certification body for ISO 27001 and NEN 7510, serving 600+ organizations in the Netherlands.
ISO readiness assessments and certification audits only, no consulting
Top 100 US CPA firm and certified B Corp, fixed-fee SOC 2 and ISO audits
COFRAC-accredited certification body with 250 auditors and 3,500+ certified clients across France.
PCAOB-registered CPA firm serving small and mid-sized companies.
Global Top 10 CPA firm with a large-scale SOC audit practice
Single-provider audits across SOC 2, ISO 27001, FedRAMP, HITRUST, and PCI DSS
One of the largest independent SOC examination providers in the US
Boutique CPA firm led by former Big 4 partners.
FINAS-accredited, employee-owned certification and information security inspection body.
One of France's longest-running cybersecurity firms, PASSI RGS/LPM qualified since 1995.
Quality-first SOC audits — not checkbox compliance.
ANSSI PASSI-qualified auditors covering all four audit scopes, plus NIS2, DORA and GDPR advisory.
DANAK-accredited certification body with 14+ years' experience and 500+ audits delivered.
BSI-recognized IT security service provider for IS-Revision, serving over half of Germany's DAX 30 companies.
The body authorized by ANSSI to assess and issue France's SecNumCloud cloud security qualification.
SWEDAC-accredited certification body serving 1,400+ clients across Sweden with 2,400+ certificates issued.
Ireland's national standards body, INAB-accredited for ISO 27001 certification.
Single Audit, Multiple Standards: SOC, ISAE, ISO, NIS2 and DORA in one integrated process.
UKAS-accredited, remote-first ISO 27001 certification built for fast-growing European tech companies.
Certification audits and compliance services — SOC 2, ISO 27001 and more — with CREST-accredited penetration testing.
Nomona lists 24 independent, accredited ISO 27001 audit firms serving Europe today, including firms with global coverage.
Certification-body audit fees vary with organization size, number of sites, and scope, and are separate from the internal effort or consulting to build the ISMS. Larger, multi-site scopes cost materially more than a single-entity ISMS.